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118results about How to "There are various ways to realize" patented technology

Picture identifying code creation method and device

The invention discloses a method for generating an image verification code. The method comprises the following steps: at least two layers are established, wherein, the bottom layer at least comprises a verification code graphic, layers apart from the bottom layer respectively include images for covering the verification code graphic; the graph of the verification code and the images included in the layers apart from the bottom layer move relatively, and the images partially cover the verification code graphic at any time; at least two established layers are combined to generate an image verification code in an animation form. The invention also discloses a device for generating an image verification code, which comprises a layer establishment module and an image formation module. The image verification code generated by adopting the method and device of the invention can effectively prevent procedures from cracking the verification code graphic.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Research of realizing green wave band passing control based on traffic main line soft enclosing area video detection identification

The invention belongs to a research of realizing green wave band traffic signal lights control based on urban traffic main line soft enclosing area video detection identification. Based on an existing point control and network control signal lights, passing vehicles driven into and out of soft enclosing areas are acquired, counted and analyzed in real time via counting technologies of radar, infrared, sensing, supersonic wave, etc. and technologies of vehicle license plate video identification and the like so that time proportion of a green light of a current crossing is adjusted, and the vehicles driven into the soft enclosing areas and the vehicles driven in straight lines from a former crossing green light can completely pass when the light of the current crossing turns green. The vehicles driven in the straight lines pass the current crossing when the light of the current crossing turns green, and the vehicles can also pass the next crossing with the light is green so that "all the way green" passage of bidirectional vehicle flow driven in the straight lines in main lines with the traffic signal lights is realized. Road segments between crossings are provided with the soft enclosing areas, which is firstly put forward by the invention so that waiting time of the vehicles stopping at the crossing with a red light is reduced, passing capacity of main line roads is enhanced and urban road traffic pressure is alleviated.
Owner:支录奎

Method and device for achieving microphone connection in live broadcast, anchorman client and user client

ActiveCN106488251AMany interactive objectsMany interactive scenesSelective content distributionClient-sideContact list
The invention relates to a method and a device for achieving microphone connection in the live broadcast, an anchorman client and a user client. The method comprises steps of: receiving a triggering request of a microphone connection inlet; according to the triggering request, displaying microphone connection objects, wherein the microphone connection objects comprise contact list good friends of a current live broadcast APP, and the contact list good friends are registered users of the current live broadcast APP and are not in the current live broadcast room; receiving a selected microphone connection object, and sending the microphone connection request to the microphone connection object; if receiving a confirmation microphone connection response returned by the selected microphone connection object, carrying out microphone connection on the selected microphone connection object. According to the embodiment of the invention, by displaying the microphone connection objects including the contact list good friends of the current live broadcast APP, users can choose friends who are not in the current live broadcast room for microphone connection, so range of the microphone connection objects is extended, more interactive objects, interactive scenes are provided and the interactivity is better.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Touch control method and touch control system of touch device

The invention provides a touch control method and a touch control system of a touch device, belonging to the technical field of touch identification. The touch control method comprises the following steps of: obtaining a user touch even at a monitoring interface under a current display interface through a display screen; identifying a user-defined touch gesture or a touch graph according to the user touch event; and executing the corresponding function of the identified touch gesture or the touch graph, or scheduling and displaying a corresponding sub-interface. According to the touch control method and the touch control system of the touch device, provided by the invention, by a user-defined mode, the sub-interface of each display interface is triggered or gestures or graphs having corresponding functions are executed, and corresponding sub-interfaces are accessed or corresponding functions are executed by identifying the touch gestures and touch graphs of the user. The touch control method and the touch control system are diverse in realization modes and simple and convenient in operation, and are particularly applicable to the application of a smart cell phone, so that the touch operation is more humanized, and the user experience is improved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Fiber laser coherent combining system based on adaptive precision light path adjustment

The invention provides a fiber laser coherent combining system based on adaptive precision light path adjustment. In the system, a light beam output by a laser seed source is amplified by a pre-amplification module and then split by a beam splitter module; all the light beams pass through a primary application array, a phase modulator array, a light path rough adjustment device, a primary light path fine adjustment device, a secondary amplification module, a collimator system array and a secondary light path fine adjustment device; then, all the output light beams are combined by a beam combining device; then, the combined light beam enters a synthetic beam processing module, and a part of light is separated out by the synthetic beam processing module and then is fed in a photoelectric detection module; the photoelectric detection module is capable of converting an optical signal into an electric signal which then enters a control system; the control system is capable of processing the electric signal so as to respectively provide a control signal to the phase modulator array, the primary light path fine adjustment device and the secondary light path fine adjustment device, thus locking phases among all the light beams and compensating light paths among all the light beams in an adaptive way. The fiber laser coherent combining system based on adaptive precision light path adjustment can be applied to a multi-laser coherent combining system.
Owner:NAT UNIV OF DEFENSE TECH

Stream switching method, system and network device

A stream switching method, a system and a network device are disclosed. The stream switching method comprises the following steps: a switching decision maker receives information of streams to be switched sent by a switching initiator through a target mobile access gateway, judges whether switching is permitted or not, and returns judgement result information to the target mobile access gateway, and an area mobile anchor which provides services for the information of streams to be switched updates the routing information of the streams to be switched under the condition that the judgement result is permission of the switching. The technical proposal can realize the switching with stream as unit and enriches the realization methods of the stream switching, thus being capable of satisfying the requirements of streams such as QoS.
Owner:HUAWEI TECH CO LTD

Method and device for increasing availability of registration center, electronic equipment and storage medium

The invention provides a method and a device for increasing availability of a registration center, electronic equipment and a storage medium, which can perform flow splitting on an access request of the registration center. The method includes the following steps: information of a service supplier of the registration center is saved for an offline data center by a service consumer; the service consumer connects to the offline data center according to a service call request to obtain an information list of the service supplier, and if the information list is obtained, a step a is continuously executed, otherwise, a step b is executed; the step a is that valid information of the service supplier is selected from the information list through a polling try, and the service supplier is connected, and if the polling try fails to select the valid information of the service supplier, the step b is entered; and the step b is that the registration center is connected to obtain the information list of the service supplier, and then information of the service supplier in the information list is selected, and the service supplier is connected.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Laser light power self-adaptation control method based on MCU

The invention discloses a laser light power self-adaptation control method based on an MCU. An MCU control unit is communicated with an upper computer. The upper computer is used for setting the self-adaptation control modes as laser bias current regulation or laser light power regulation. When laser light power regulation is adopted, self-adaptation control is carried out by the MCU control unit according to the target luminous power value set by the upper computer and the actual luminous power value for laser sampling. When laser bias current regulation is adopted, self-adaptation control is carried out by the MCU control unit according to the target bias current value set by the upper computer and the actual bias current value for laser sampling. By means of the laser light power self-adaptation control method, the luminous power and the bias current of a laser can be kept constant, hardware regulation is not needed, the constant value of the light power of the laser can be changed through the upper computer, the same light transmission module can be used in other complete machines with different demands, and the utilization rate of the laser is greatly improved.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD

Data driving based workflow dynamic flow construction method and system thereof

InactiveCN101986603ASingle solutionSolve exhaustive difficultiesResourcesData switching networksData-drivenData mining
The invention provides a data driving based workflow dynamic flow construction method and a system thereof. The method includes that: link rules are preset; the link rules include matching relation of service factor data and link and priority weight of each link; service factor data corresponding to the current service order is determined; when in flow starting or work order withdrawal, the service factor data is automatically generated into a link topology structure according to the link rules; and a flow instance is constructed according to the generated link topology structure. The invention can automatically construct dynamic flow under the occasion of complex service requirement and saves manpower resource.
Owner:DATANG SOFTWARE TECH

Clipboard content processing method and mobile terminal

The invention provides a clipboard content processing method and a mobile terminal, relates to the field of communications, and aims to solve the problem of poor use experience of a user on the mobile terminal, which is caused by the case that copying and pasting modes supported in existing copying and pasting functions cannot meet the requirements of the user. The clipboard content processing method provided by the invention comprises: acquiring a first content pasting instruction of the user on a pasting interface of the mobile terminal, and judging a type of the first content pasting instruction; if the first content pasting instruction is a single pasting instruction, acquiring and pasting a first target clipboard content to a pasting region of the paste interface; if the first content pasting instruction is a crossed pasting instruction, displaying a floating window on the paste interface, and displaying a preset number of second target clipboard contents in the floating window; receiving a second content pasting instruction of the user, and respectively pasting one or more second target clipboard contents to the pasting region of the pasting interface. The clipboard content processing method provided by the invention is mainly used in the mobile terminal.
Owner:VIVO MOBILE COMM CO LTD

Message interaction method, computer equipment and storage medium

The invention discloses a message interaction method, computer equipment and a storage medium, and belongs to the technical field of networks. According to the technical scheme provided by the embodiment of the invention, an image message can be obtained based on a text message sent by a terminal, and a response image is replied, so that the interestingness of the man-machine conversation processis increased, and the intelligence in the man-machine conversation process is greatly improved, and the implementation mode of the man-machine conversation is enriched.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Calendar information generation method and device

The present invention relates to the field of application software, especially to a calendar information generation method and device. The method comprises: obtaining the country or region where the current position is located; determining the local calendar information corresponding to the country or region; and displaying the local calendar information in a calendar application while displaying the Gregorian calendar and date information in the calendar in the calendar application. According to the invention, the calendar information of the calendar in the current device may be updated according the current position, wherein the calendar information includes local holidays and festivals and special calendar era modes, such as the Chinese traditional calendar in China and the Mikado calendar in Japan, and therefore users are able to rapidly obtain the holidays, festivals and other calendar information at the current position, and the calendar information generation method and device provide convenience for users' daily lives.
Owner:LETV HLDG BEIJING CO LTD +1

Identification authentication system and method through third-party

The invention relates to a system and a method for authenticating the ID through a third party, so as to solve the problem that an internet user transmits an authentication document to a network service supplier after passing ID authentication of the third party. The system and the method transmit the authentication document of the third party on a requesting party to the service supplier by the mode of closing transmission originating from information authentication, and the service supplier judges whether the authentication passes or not by comparing whether received information is matched. The proposal has the advantages of various realization means, small working load on the service supplier, simple programs and easy realization.
Owner:任少华

Pure phase based optical encryption-decryption system

ActiveCN104954120AAvoid recordingAvoid problems such as difficulties in transmitting encoded informationKey distribution for secure communicationPolarizerOptoelectronics
A pure phase based optical encryption-decryption system comprises optical devices including optical devices such as a coherent light source. Light beams outputted by the coherent light source are split into two paths through a collimation system and a 3dB optical beam splitter; the light beam in one path passes through a first polarization rotator and a phase generator sequentially, and a phase generator control module connected with the phase generator applies a control program to the phase generator so as to complete pure-phase encryption of whole optical information; the light beam in the other path passes through a second polarization rotator, a phase recovery generator and a third polarization rotator; the light beam encrypted through the phase generator and the light beam transmitted by the third polarization rotator are combined on an optical beam combiner; the combined light beam enters a photoelectric detection module through a polarizer; the photoelectric detection module converts optical signals into electric signals which are sent to the phase recovery control module by means of servo, and the phase recovery control module realizes recovery of required wavefront information on the basis of certain evaluation functions and optimization algorithms. The pure phase based optical encryption-decryption system has the advantages of high safety, quickness and convenience in information encryption and decryption.
Owner:NAT UNIV OF DEFENSE TECH

High-power optical fiber laser amplifier system with high mode instable threshold value

PendingCN108462023ARaise the nonlinear effect thresholdPattern instability inhibitionActive medium shape and constructionFiberBeam splitter
The invention relates to a high-power optical fiber laser amplifier system with a high mode instable threshold value. The high-power optical fiber laser amplifier system comprises a linear polarization main oscillator, a collimating lens group, a lambda / 4 slide, a lambda / 2 slide, a focusing lens group, a high-power main amplifier, a beam-expanding and collimating system, a high reflective mirror,a power receiver, a beam splitter, a photoelectric signal conversion and display module and an optical beam quality measuring instrument. A polarization regulation and control system is introduced into a high-power optical fiber laser amplifier, so that the high-order mode proportion of injection and transmission along the gain fiber longitudinal direction of the high-power optical fiber laser amplifier can be reduced, and the mode unstable effect of the high-power optical fiber laser amplifier can be inhibited. The system can effectively improve the mode unstable threshold value caused by non-linear effect and the traditional transverse mode interference, and provides reliable technical means for further power improvement and performance optimization of the high-power optical fiber laser.
Owner:NAT UNIV OF DEFENSE TECH

Mobile terminal and method for implementing live wallpaper

The invention discloses a mobile terminal and a method for implementing live wallpaper. The method includes acquiring a wide-angle picture, setting the wide-angle picture as wallpaper, selecting a part of image of the wide-angle picture as the wallpaper image of the mobile terminal in a reference state according to a screen display size of the mobile terminal, acquiring states of the mobile terminal in real time, determining a moving mode of the corresponding wide-angle picture of the mobile terminal in the current state according to corresponding relation between the preset state of the mobile terminal and the preset moving mode of the wide-angle picture, and moving the wide-angle picture on the screen according to the determined moving mode so as to update the displayed wallpaper image. According to the mobile terminal and the method for implementing live wallpaper, the wide-angle picture which is set as the wallpaper can be moved when the state of the mobile terminal changes, so that the live wallpaper effect is achieved, implementing mode of the live wallpaper is enriched, and users' personalized needs on the live wallpaper are met.
Owner:NUBIA TECHNOLOGY CO LTD

System for evaluating influence of thermal lens effect on coherent polarization synthesis system synthesis efficiency and method thereof

ActiveCN107748057AOvercome size constraintsVersatilityTesting optical propertiesPhysicsHigh reflectivity
The invention provides a system for evaluating the influence of the thermal lens effect on coherent polarization synthesis system synthesis efficiency and a method thereof. The system comprises N paths of coherent polarization synthesis systems, wherein N=2n and n=1,2,3......; most power of the laser outputted by the N paths of coherent polarization synthesis systems through beam combination is received by a power receiver through a first high reflectivity mirror and a second high reflectivity mirror, and small amount of power is focused by a focusing lens and then injected into a spot analyzer; and the spot analyzer is assembled on an electric control translation stage, the electric control translation stage is connected with a control and data processing system, and the control and dataprocessing system can adjust the position of the electric control translation stage and process the spot size and displacement information so as to obtain the influence of the thermal lens effect on the synthesis efficiency of N paths of coherent polarization synthesis systems. The influence of the external environment on the evaluation result in the conventional evaluation method can be reduced and the problem of limitation of the conventional measurement method for beam size measurement can be overcome.
Owner:NAT UNIV OF DEFENSE TECH

Double circularly polarized antenna unit and large-space low-grating lobe broadband panel array antenna

The invention discloses a double circularly polarized antenna unit and a large-space low-grating lobe panel array antenna. The array antenna comprises the double circularly polarized antenna unit and a feed network, wherein the double circularly polarized antenna unit comprises a dual-polarized radiation cavity, a circularly polarized diaphragm phase shifter, a grating lobe inhibition diaphragm, an antenna radiation opening, a left-handed circular polarization feed port and a right-handed circular polarization feed port, and is connected with the left-handed circular polarization feed port and the right-handed circular polarization feed port through the feed network of a dual-layer microstrip or a double-layer waveguide respectively to form a sum beam signal. A cross metal diaphragm is loaded at the antenna radiation opening, so that a good grating lobe inhibition effect can be achieved. The large-space low-grating lobe panel array antenna can be applied to antennas, which are relatively high in gain, common in receiving and transmitting and high in directionality, of a radar, communication, navigation and the like, is a low-grating lobe double circularly polarized array antenna with high efficiency under a large element space, can be used as a single-receiving, single-transmitting or receiving and transmitting array, and can also be applied to a circularly polarized phased-array antenna for electron beam scanning through expansion.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP

Working method of equipment and apparatus thereof

The invention discloses a working method of equipment and an apparatus thereof. The working method of the equipment comprises the following steps of acquiring identity information of a current user, wherein a distance between the current user and current equipment is in a preset scope; acquiring a corresponding relation of user identity information and a restriction rule; according to the identity information of the current user, inquiring the corresponding relation of the user identity information and the restriction rule, acquiring a restriction rule corresponding to the identity information of the current user and working according to the acquired restriction rule. In an embodiment of the invention, through acquiring the restriction rule corresponding to the identity information of the current user and working according to the acquired restriction rule, some users can be restricted to use the current equipment or some functions of the current equipment so that user privacies can be well protected.
Owner:XIAOMI INC

Assembling and disassembling structure for main machine and cutter rest and handheld tool

The invention discloses an assembling and disassembling structure for a main machine and a cutter rest and a handheld tool. The assembling and disassembling structure for the main machine and the cutter rest comprises a main shell and an auxiliary shell detachably connected with the main shell. The auxiliary shell achieves rapid locking and unlocking with the main shell through matching between alocking ring, multiple lock buckles and a drive ring in the main shell and a locking groove on the auxiliary shell. By manually rotating the drive ring, the multiple lock buckles can be driven to switch between a third position and a fourth position; when the lock buckles are located at the third position, the lock buckles are embedded into the locking groove of the auxiliary shell to achieve locking; and when the lock buckles are located at the fourth position, the lock buckles retreat from the locking groove, and then locking of the auxiliary shell can be eliminated, and disassembly can be conducted. The assembling and disassembling structure adopts a rotary knob type unlocking structure, during unlocking, the situation that pressing is conducted hard to enable an elastic hoop to expandis not needed, and operation is easy; by the adoption of the assembling and disassembling structure for the main machine and the cutter rest, during installation, it is just needed to insert the auxiliary shell, pressing a button is not needed, the requirement for a user is low, and operation is convenient; and the locking stability of the assembling and disassembling structure for the main machine and the cutter rest is good.
Owner:ZHEJIANG DESHI ELECTRICAL APPLIANCE CO LTD

Dual-port feeding type array antenna

The invention discloses a dual-port feeding type array antenna, and belongs to the technical field of an antenna. The dual-port feeding type array antenna comprises a radiation cavity and a coaxial cavity which communicate with each other, a plurality of radiation ports are arranged in a top surface of the radiation cavity, the coaxial cavity is provided with two waveguide input ports perpendicular to each other, a vertical and cylindrical probe having coaxial characteristic is arranged on a bottom surface in the center of the coaxial cavity, two matching steps are arranged at the bottom of the probe and comprise a first cylinder and a second cylinder, the first cylinder and the second cylinder are coaxial to the probe, the first cylinder is directly arranged on the bottom surface of the coaxial cavity, and the second cylinder is arranged on a top surface of the first cylinder. By the dual-port feeding type array antenna, the gap opening coupling processing difficulty can be prevented, the problem of air live-line feeding loss also can be prevented, and the dual-port type array antenna is an important improvement compared with the prior art.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP

Illegal intrusion capturing recorder

The invention belongs to an illegal intrusion video image capturing recorder, which integrally designs relevant instruments and equipment into an all-in-one machine by using industrial design concepts based on electronic information technologies of an alarm, a video camera, an infrared lamp, a liquid crystal display and the like. The illegal intrusion capturing recorder breaks through the bottleneck that technical false alarm and artificial forgotten false alarm occur frequently in an existing alarm, innovatively provides that an illegal intrusion event is collected by adopting video images, increases functions of detecting intrusion behaviors and capturing, storing and recording the video images, and can realize capturing and alarming for an illegal intrusion police event, thereby being convenient for taking corresponding measures by a community duty room or a police department. The capture recorder provided by the invention is high in capturing precision, user-friendly in design, diverse in fortification mode, high in sensitivity, and convenient and fast in installation and use. As for the technical field of image investigation, the illegal intrusion capturing recorder is a great innovation. The illegal intrusion capturing recorder has positive promoting effects and profound influences on a social management mechanism combining source governance, dynamic management and emergency handling of public security.
Owner:支录奎

High-power narrow-linewidth optical fiber laser polarization control system and method

The invention provides a high-power narrow-linewidth optical fiber laser polarization control system and method. In the high-power narrow-linewidth optical fiber laser polarization control system, thepolarization state of output laser is regulated and controlled by controlling a polarization control voltage applied to a polarization controller; and the high-power narrow-linewidth optical fiber laser polarization control system comprises a high-power narrow-linewidth linear polarization optical fiber laser device and a polarization voltage control system, the polarization voltage control system collects an optical signal of a p polarized light beam in an output light beam of the high-power narrow-linewidth linear polarization optical fiber laser device, the optical signal is converted intoan electric signal, the electric signal is processed to generate a polarization control voltage, and the polarization control voltage is applied to the polarization controller so as to regulate and control the polarization state of the output laser and realize closed-loop control of the whole system. According to the invention, a polarization control effect with low residual error and high precision can be realized, and a technical support is provided for the development of a high-power, high-extinction-ratio and narrow-linewidth optical fiber laser system based on active polarization control.
Owner:NAT UNIV OF DEFENSE TECH

System for inhibiting unstable thermotropic mode in ytterbium-doped optical fiber amplifier with high brightness and narrow linewidth

The invention provides a system for inhibiting an unstable thermotropic mode in a ytterbium-doped optical fiber amplifier with high brightness and narrow linewidth. The system comprises a narrow-linewidth optical fiber laser seed source of which the center wavelength is lambda 1, an optical fiber laser of which the center wavelength is lambda 2, an all-optical fiber high-power wavelength divisionmultiplexer, a ytterbium-doped main amplifier, an optical fiber end cap, a collimator, a dichroscope, a power receiver I, a high reflectivity mirror, a power receiver II, a beam splitter, a photoelectric signal acquisition and display module and a light beam quality monitoring module. A beam of short-waveband laser of which the center wavelength is lambda 2 and a beam of narrow-linewidth and long-wavelength laser of which the center wavelength is lambda 1 are simultaneously injected in the narrow-linewidth ytterbium-doped optical fiber amplifier, wherein the lambda 2 is less than the lambda 1.By forming gain competition in a gain optical fiber, effective inhibition of the unstable effect of the thermotropic mode and effective output of single-wavelength and narrow-linewidth laser are realized.
Owner:NAT UNIV OF DEFENSE TECH

Out-of-focus compensated high-power narrow linewidth and linear polarization optical fiber laser generating system

The invention discloses an out-of-focus compensated high-power narrow linewidth and linear polarization optical fiber laser generating system. The out-of-focus compensated high-power narrow linewidthand linear polarization optical fiber laser generating system comprises a narrow linewidth and linear polarization optical fiber seed source, a polarization control module, a non-polarization-maintaining cascading optical fiber amplifier, an out-of-focus compensated beam-expanding collimating system, an integrated polarization and optical signal extracting module and an active polarization controlsystem. Laser output from the narrow linewidth and linear polarization optical fiber seed source is injected to the non-polarization-maintaining cascading optical fiber amplifier through the polarization control module, and the amplified laser is injected to the integrated polarization and optical signal extracting module through the out-of-focus compensated beam-expanding collimating system. Anextracted optical signal is converted to an electrical signal by the integrated polarization and optical signal extracting module, and the electrical signal is injected to the active polarization control system. The electrical signal is processed by the active polarization control system, and a control signal is applied to the polarization control module, so the closed-loop control of the whole system is realized. The system is capable of simultaneously realizing the high-power narrow linewidth, linear polarization, and low-aberration optical fiber laser output.
Owner:NAT UNIV OF DEFENSE TECH

High-power narrow-line wide-long-wave fiber laser generating system

A high-power narrow-line wide-long-wave fiber laser generating system comprises an optical fiber laser system array, a wavelength division multiplexing system and a hybrid gain optical fiber amplifier; wherein the hybrid gain optical fiber amplifier comprises a fundamental frequency optical pumping source, a full optical fiber signal-pumping beam combiner and a large-mode field ytterbium-doped optical fiber. The influence of the raman pumping light time-frequency characteristic on the spectral broadening characteristic of the raman amplification laser and the influence of incident laser time frequency characteristic on the spectral broadening characteristic of the raman amplification laser spectrum when the ytterbium ions gain is directly amplified are utilized to effectively suppress thespectral broadening in the amplification of the hybrid gain long-wave optical fiber through incident laser implementation mode, raman pump light generation form and the like. A high-performance optical fiber light source design scheme with reliable performance and compact structure is provided for the fields of nonlinear frequency conversion, biomedicine, remote sensing detection, high-resolutionspectral imaging and spectral synthesis. Further, development of the narrow-line wide-long-wave fiber laser radiation field is promoted.
Owner:NAT UNIV OF DEFENSE TECH

Double-MZI multi-level PAM signal all-optical shaping device and design method thereof

The invention relates to a double-MZI multi-level PAM signal all-optical shaping device and a design method thereof, and belongs to the technical field of fiber communication. The all-optical shapingdevice comprises a matching light adjustable amplifier and a double-MZI shaping unit connected front and back, an upper arm of the double-MZI shaping unit includes an embedded MZI module, a lower armof the double-MZI shaping unit is provided with fibers, and upper and lower arms of the embedded MZI module are provided with fibers in the same length; and the double-MZI shaping unit further includes an input coupler C1 and an output coupler C3, and the embedded MZI module further comprises an input coupler C4 and an output coupler C2. The all-optical shaping device of the double MZI structure can solve the problem of deterioration of multi-level PAM signals by parameter design, the multi-level PAM signals can be realized in more ways in the all-optical shaping field, it is ensured that themulti-level PAM signals are transmitted effectively in long distance in a fiber communication system, and the shaping performance can be further improved by increasing the value of a reference power point.
Owner:GUANGXUN SCI & TECH WUHAN

Remote control method, household appliance, remote control device and storage medium

The invention provides a remote control method, a household appliance, a remote control device and a storage medium. The remote control method comprises the following steps that first touch information of a touch area is identified to determine preset touch identification matched with first touch information; a control command corresponding to a preset touch identification is generated; and a control command is sent to the matched household appliance to control the household appliance to enter a functional mode corresponding to the control command, wherein the first touch information comprisesgraphic identification and / or a touch gesture formed by a touch motion trajectory. According to the technical scheme, a user can operate under the condition of closing eyes all the way, especially when the user is about to enter a sleep state, so that the influence of operating the remote control device on sleep is reduced.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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