31results about How to "Avoid system complexity" patented technology

A user grouping method for inter-cell interference coordination technology in mobile telecommunication systems using the handover information and measured data that were defined in existing mobile telecommunication systems to group cell users into cell center users and cell edge users. This method includes: (1) user equipment measuring the average signal strength of the serving cell and neighboring cells; (2) user equipment determining if it should reply with the average signal strength information it measures and if it should initiate the inter-cell interference coordination measuring and response system; (3) serving cell then groups the user equipment as cell center user or cell edge user according to the average signal strength information reported by the user equipment; (4) serving cell allocates a frequency subchannel from cell center subband or cell edge subband according to the grouping result.

The present invention relates to a novel method and a novel device, incorporating dynamic speckle lighting with a conventional wide field fluorescence microscope organically to implement approximately confocal fluorescence microscopy (i.e., quasi-confocal fluorescence microscopy). The present invention employs an argon ion laser as the light source; the exciting light passes through a scattering object, a relay light path system for expanding and shaping, and then is coupled to the fluorescence microscope and focused to the sample. The stepping and revolution of the scattering object is controlled with a computer to produce a dynamic speckle pattern on the sample. The received fluorescent images are processed to obtain high-resolution spatial chromatographic images under no need to scan condition. The method can be used to obtain high-resolution three-dimensional chromatographic and microscopic image information of biological tissue samples in a non-intrusive manner. The device has simple structure, high cost-performance ratio, and is favorable for post data processing, easy to operate and apply; therefore, the device and method have a wide market application prospect and great significance for clinical diagnosis and life science research.

The invention relates to a heat pipe type power module of a high-efficient wind power frequency converter, which comprises a substrate, wherein, a heat pipe radiator is fixed at the rear part of the substrate, an air blower is arranged at the bottom part of the heat pipe radiator, an air introduction pipeline is arranged at the top part of the heat pipe radiator, and an exhaust fan is arranged inthe air introduction pipeline. Heat emitted by the power device is conducted onto the heat pipe radiator through the substrate during the operation process of the power module, the heat is radiated into the air introduction pipeline under the action of the air blower at the bottom part of the heat pipe radiator, and then the heat is rapidly pumped to the outside of a cabinet body of the frequencyconverter under the action of the exhaust fan in the air introduction pipeline. The heat pipe type power module of the wind power frequency converter not only has the cooling effect of water cooling,but also has a simple structure of air cooling, and the power module simultaneously avoids a complicated system of a water cooling structure and the technical difficulty caused by parallel connectionof the module of an air cooling structure, thereby improving the heat radiation efficiency of the power module of the frequency converter, enhancing the reliability of the operation of the power device, simultaneously reducing the overall design cost and the design risk of the system and realizing the higher comprehensive performance-price ratio.

The invention relates to the field of the laser technology, and provides a laser beam pulse time sequence synthesizer based on diffraction gratings. The laser beam pulse time sequence synthesizer based on the diffraction gratings comprises a plurality of pulse laser sets and the gratings corresponding to the pulse laser sets, wherein when one grating moves to the work position of the corresponding pulse laser set, a synchronous control device sends an instruction to the corresponding pulse laser set and triggers the pulse laser set to output pulse laser, so that the pulse laser enters a preset main optical path under the diffraction action of the grating, and moreover, the grating does not prevent pulse laser output by other pulse laser sets from entering the main optical path when not in the work positions of the pulse. The laser beam pulse time sequence synthesizer based on the diffraction gratings integrates the spectrum synthesis technology and the mechanical time sequence synthesis technology, increases the number of synthesis paths of pulse laser and keeps good light beam quality on the premise of not reducing sub-laser wavelength intervals or the number of the diffraction gratings.

The invention relates to a remote control smart water meter. The water meter comprises a casing and a water meter display system, and the water meter display system comprises an ultrasonic module, a control module and a display module; the ultrasonic module is installed in a water pipe and used for transmitting and receiving ultrasonic waves in the water pipe, recording the ascending time and descending time of the ultrasonic waves and calculating the transmission time difference of the ultrasonic waves; the control module is used for calculating a water consumption amount according to the time difference and generating water consumption amount data according to the water consumption amount; the display module is used for displaying the water consumption amount data. The remote control smart water meter monitors the water amount by means of the ultrasonic waves, the complicated process of reading gear data and the system complexity for reading the gear data through photoelectric conversion are avoided, the water meter is simple in structure and convenient to control, and data reading is easy.

The invention discloses a rotary type galvanometer scanning device. The rotary type galvanometer scanning device comprises a laser apparatus, a rotating device, a rotating shaft, a rotary table and a scanning galvanometer. The scanning galvanometer is installed on the rotary table. The first end of the rotating shaft is connected to one side of the rotary table. The rotating shaft is driven by the rotating device to rotate, the scanning galvanometer accordingly rotates together with the rotary table, and the working position of the scanning galvanometer is changed. The invention further provides an application method of the rotary type galvanometer scanning device. The rotary type galvanometer scanning device has four fixed working positions within a 360-degree circumference range, the working range of the scanning galvanometer is accordingly expanded by four times on the premise that the scanning galvanometer guarantees the machining accuracy, the working space limitation caused by the fixing mode of the scanning galvanometer is overcome, and meanwhile the problem that due to a multi-scanning-galvanometer working mode, the system complexity and the hardware cost are increased is solved.

The present invention relates to a wick based technique for internal humidification in a low temperature proton exchange membrane fuel cell (LT-PEMFC) which comprises electrically conducting and hydrophilic wicking material (20) such as carbon cloth or metal foam placed over the entire active area of either one or both of the anode and cathode with the bottom portion of the wick (20) dipped in a trough (14) in order to facilitate capillary action for internal humidification, a trough (14) for water transport up the wicking material (20), dry feed and ambient (28-30° C.) temperature gas supply to either anode or cathode or both electrodes, counter and co-flow operation.

A user grouping method for inter-cell interference coordination technology in mobile telecommunication systems using the handover information and measured data that were defined in existing mobile telecommunication systems to group cell users into cell center users and cell edge users. This method includes: (1) user equipment measuring the average signal strength of the serving cell and neighboring cells; (2) user equipment determining if it should reply with the average signal strength information it measures and if it should initiate the inter-cell interference coordination measuring and response system; (3) serving cell then groups the user equipment as cell center user or cell edge user according to the average signal strength information reported by the user equipment; (4) serving cell allocates a frequency subchannel from cell center subband or cell edge subband according to the grouping result.

The invention discloses an internally-heated small air water taking device and method based on adsorption. The small air water taking device comprises an adsorption working condition and a desorptionworking condition. Under the adsorption working condition, an air inlet fan works, the air enters a center runner in an inner porous cylinder through an air inlet and radially enters an adsorption bed, moisture absorption of the air is implemented by adsorbent, and the air passes an annular runner and a steady-flow hydrostatic cavity and then discharged. Under the desorption working condition, theair enters the center runner from the air inlet, is heated by a heating bar arranged in the center runner and flows the adsorption bed to heat the adsorbent to take away and adsorbs aggregated moisture, high-humidity air condenses water drops through circular fins, excess heat is taken away by a cooling fan, condensed water drops flow into a water storage tank along a wall surface, and water is taken by the air. The same runner is shared under the adsorption working condition and the desorption working condition, and the air centrifugally and radially flows. The device has the advantages thatthe device is small in size and simple in structure, water can still be taken at low-dew-point temperature, energy is saved and the like.

The embodiments of the invention discloses a temperature adjusting device and a control method thereof. The temperature adjusting device comprises a duct type air conditioner and an air port part connected with the duct type air conditioner. One or more groups of air port parts are arranged, and each group of air port parts is arranged at one tail end air port. The duct type air conditioner comprises a condenser and / or an evaporator, and each air port part comprises a fan assembly. According to the scheme provided by the embodiments, the air port parts comprising the fan assemblies are respectively arranged at the tail end air port to realize miniaturization and tail end of fan driving, various defects caused by adopting a high-power motor are overcome, light-weight installation can be realized, a heat exchanger with larger capacity can be adopted on the basis of not changing the occupied space, and the temperature adjusting capability is improved; and by adopting the scheme of the embodiments, the intellectualization and individuation degrees of the temperature adjusting device can be improved, and the problems of system complexity and high cost caused by the fact that a plurality of indoor units in a multi-split system need to be equipped with heat exchangers can be solved.

The invention relates to the field of the laser technology, and provides a laser beam pulse time sequence synthesizer based on diffraction gratings. The laser beam pulse time sequence synthesizer based on the diffraction gratings comprises a plurality of pulse laser sets and the gratings corresponding to the pulse laser sets, wherein when one grating moves to the work position of the corresponding pulse laser set, a synchronous control device sends an instruction to the corresponding pulse laser set and triggers the pulse laser set to output pulse laser, so that the pulse laser enters a preset main optical path under the diffraction action of the grating, and moreover, the grating does not prevent pulse laser output by other pulse laser sets from entering the main optical path when not in the work positions of the pulse. The laser beam pulse time sequence synthesizer based on the diffraction gratings integrates the spectrum synthesis technology and the mechanical time sequence synthesis technology, increases the number of synthesis paths of pulse laser and keeps good light beam quality on the premise of not reducing sub-laser wavelength intervals or the number of the diffraction gratings.

The invention provides a multi-channel seawater transparency measuring device which comprises a sealed transparency measuring disk, an optical measuring device and an optical communication device, wherein the optical measuring device is embedded in the center of the transparency measuring disk, and the measuring plane of the optical measuring device is positioned on the front surface of the transparency measuring disk; the optical measuring device comprises an upper shell and a lower shell which are in hollow connection with each other, and protective glass is arranged in the hollow parts of the two shells; one side of the protective glass is in contact with the upper shell through a rubber isolation ring, and the other side of the protective glass is in contact with a plurality of optical filters with different wave bands through rubber isolation rings; a photodiode penetrating through the lower shell is arranged at the bottom of each optical filter to form a channel, and the multiple optical filters with different wave bands and the corresponding photodiodes form a plurality of different channels. By adopting a multi-channel and narrow-band measurement mode, the multi-channel seawater transparency measuring device can obtain radiation count values of different channels in different depths of seawater and further obtains the seawater transparency and extinction coefficient profiles of different channels.

The invention provides a multi-image encryption method and decryption method based on a light field principle and a chaotic system, and based on the light field principle and the chaotic system, the method randomly generates the number and system parameters of light field imaging systems through the chaotic system, and constructs a plurality of corresponding light field imaging systems in a computer for encryption. And the problem of hardware limitation in a pure optical mode can be avoided by adopting a computational imaging mode. Due to the addition of the chaotic system, compared with otherproposed image encryption methods based on the light field principle, the method has the advantages that the key space is further expanded, the key sensitivity is further improved, the complexity improvement of the encryption method is limited, and the encryption and decryption speeds are not obviously reduced. And meanwhile, the common problems of system complexity, hardware limitation, decrypted image distortion and the like in common optical encryption are avoided. The method can achieve the quick and efficient encryption of a plurality of images, and is wide in application prospect in thefield where a large number of images need to be transmitted safely.

The invention discloses a spatial maximum operating point tracking control circuit. The spatial maximum operating point tracking control circuit is characterized by at least comprising an input voltage sampling and holding functional unit circuit, an input current sampling and holding functional unit circuit, a first self-starting and resetting functional unit circuit, a second self-starting and resetting functional unit circuit, a maximum operating point tracking functional unit circuit and an output signal generating functional unit circuit, wherein the input voltage sampling and holding functional unit circuit comprises a first sampling switch and a first comparator; the first self-starting and resetting functional unit circuit comprises a third reverser, a seventh comparator, a fifth AND gate and a ninth OR gate; the second self-starting and resetting functional unit circuit comprises a fourth reverser, an eighth comparator, a sixth AND gate and a tenth OR gate; the maximum operating point tracking functional unit circuit comprises an eleventh NOR gate and a twelfth NOR gate; and the output signal generating functional unit circuit comprises an amplifier.

The invention relates to a preparing method of a Fe3O4 magnetic liquid composite colloidal liquid bubble. The bubble comprises normal phase emulsion and inverse emulsion. Both the preparing method of the normal phase emulsion and the preparing method of the inverse emulsion comprise the steps of firstly preparing water-based Fe3O4 magnetic liquid and then preparing oil-based Fe3O4 magnetic liquid, wherein when the normal phase emulsion is prepared, the oil-based magnetic liquid is slowly and dropwise added to water in which a surfactant is dissolved, and when the inverse emulsion is prepared, the water-based magnetic liquid is slowly and dropwise added to an oily solvent in which the surfactant is dissolved. The preparing method of the Fe3O4 magnetic liquid composite colloidal liquid bubble is applied to a PDSE separation system. The preparing method of the Fe3O4 magnetic liquid composite colloidal liquid bubble has the advantages that a separation process is simplified, the use of multiple surfactants is avoided, the probability in conducting PDSE operation in a waterborne system and the probability in conducting PDSE operation in an oily system both exist, and the preparing method facilitates subsequent separation and purification of extraction solute.

The invention relates to a structure for compressing the self-mode-locked pulse of a fiber laser, which belongs to the technical field of fiber lasers and fiber amplifiers. The main feature is that the fiber amplifier is used to improve the output performance of the fiber laser. The processing stage composed of fiber amplifier and adjustable optical attenuator, the output of the fiber laser working in continuous mode with self-mode-locking phenomenon is shown as a periodic optical pulse superimposed on the stable DC component, and the intensity of the optical pulse is significantly greater than that of the DC component. Intensity, the present invention can use all the materials and devices that can be purchased on the market to build a processing system, so as to achieve high cost performance. Fiber Laser Performance.

The invention proposes a data recognition-based auto parts labeling method and a visualization system, belonging to the technical field of data visualization. The method includes step S100 inputting the parameter characteristics of the replacement part; S200 matching the replacement position of the part in the automobile frame parameter structure diagram; S300 marking the parameter characteristic of the replacement part in the automobile frame parameter structure diagram after executing the part replacement; S400 judging the part Whether there is a symmetrical position in the replacement position in the car frame parameter structure diagram; if it exists, it will display the existing component parameters at the symmetrical position; S500 will perform a difference comparison between the parameter characteristics of the replaced component and the existing component parameters at the symmetrical position, And mark the difference comparison results in the comparison diagram of the automobile frame parameter structure diagram. The visualization system includes a human-computer interaction interface that provides a plurality of human-computer interaction buttons and a contrastive display interface. The invention also proposes an electronic device for implementing the method.

The holographic sea surface echo simulator for simulating RF sea surface echo includes frequency synthesizing unit, receiving unit, upper frequency varying unit and numerical control unit. The frequency synthesizing unit provides the receiving unit and the upper frequency varying unit with standard local vibration signal; the receiving unit processes the emitted signal from the altimeter; the upper frequency varying unit modulates the sea surface echo simulating signal or point target response signal from the numerical control unit on Chirp; and the numerical control unit completes the digital synthesis of the sea surface echo simulating signal and the point target response signal. The present invention adopts multiple frequency point digital synthesis technology to simulate sea surface echo spectrum accurately and pulse rebuilding technology to realize the accurate measurement of systemic delay and linearity of altimeter.

A hydraulic running driver system for the ground leveling machine is composed of a variable hydraulic pump on the engine, and a (combined) hydraulic motor on the drive bridge or the drive mechanism linked with said drive bridge and communicated with said variable hydraulic pump. Its advantages are simple structure, wide speed regulation range, and high automation level.

The invention provides a data updating and query control method and system. The method comprises the following steps: merging updated data received by a memory area into any one of two hard disk areas, and emptying the updated data stored in the hard disk after merging is completed; and returning the data of the hard disk area which does not execute merging operation in the two hard disk areas and the data of at least one memory area in the memory areas to a data querier. In the invention, the two hard disk areas are utilized to respectively execute the merging and query of the updated data to realize separation of query operation and updating operation, thus the instantaneity and system complexity problems caused as a locking policy is required to be set in the prior art are solved.

The invention relates to a compression fiber laser self-locking mode pulse composition, and belongs to the fiber laser and fiber amplifier technical field; main features are that the fiber amplifier is used for improving output performance of the fiber laser; an output end of the fiber laser is connected with a processing level formed by a fiber amplifier and a variable optical attenuator; an output of the continuous mode working fiber laser with self-locking mode phenomenon is a stable DC component superposed by a periodical light pulse, wherein the intensity of the light pulse is obviously bigger than that of the DC component; the processing system can be constructed by material and devices capable of being purchased in the market, thus realizing high cost performance; the fiber laser self structure is not changed, and the postposition processing system and simple adjustment can improve performance of the fiber laser.

The invention provides an automobile part labeling method based on data identification and a visualization system, and belongs to the technical field of data visualization. The method comprises the following steps: S100, inputting parameter characteristics of a replacement part; s200, matching part replacement positions in the automobile frame parameter structure chart; s300, after part replacement is executed, parameter characteristics of replacement parts are marked in the automobile frame parameter structure chart; s400, judging whether the part replacement position has a symmetrical position in the automobile frame parameter structure chart or not; if yes, existing part parameters of the symmetrical positions are displayed; and S500, difference comparison is carried out on the replacement part parameter characteristics and the existing part parameters at the symmetrical positions, and a difference comparison result is marked in a comparison chart of the automobile frame parameter structure chart. The visualization system comprises a human-computer interaction interface which provides a plurality of human-computer interaction buttons and a comparison display interface. The invention further provides the electronic equipment for implementing the method.

The invention discloses a motor rotating speed TTL signal generation method, device and system for magnetic suspension bearing control, a medium and equipment. The method comprises the steps: acquiring a motor output voltage phase angle; comparing the phase angle with a preset K value to generate a rotating speed TTL signal, wherein when the phase angle is greater than a preset K value, the TTL signal output is 1, otherwise, the TTL signal output is 0. The motor rotating speed TTL signal generation method, device and system for magnetic suspension bearing control, the medium and the equipmenthave the advantages of being low in cost, good in real-time performance, high in precision and the like.

The invention relates to a boiler close-to-wall air device based on burner near-wall atmosphere soft measurement. The boiler close-to-wall air device comprises close-to-wall air nozzles, near-wall atmosphere sampling pipes, a burner and a hearth, 2-5 layers of close-to-wall air nozzles are arranged on the front wall and the rear wall near the burner and at the bottom of the hearth, and the near-wall atmosphere sampling pipes are arranged on the side wall of the hearth; the near-wall atmosphere sampling pipes are installed on the left side wall and the right side wall of the hearth, and the height of the near-wall atmosphere sampling pipes is located on the upper middle portion of a burner area; the near-wall atmosphere sampling pipes are made of heat-resistant stainless steel and are mounted on water cooling wall fins; the pipe diameter of the near-wall atmosphere sampling pipes is 10-20 mm, and 2-4 layers of near-wall atmosphere sampling pipes are arranged in total; and the near-wall atmosphere sampling pipes are connected with a flue gas analyzer. The boiler close-to-wall air device has the beneficial effects that the whole system is simple and reasonable in structure, only the the close-to-wall air nozzles and a small number of wall surface sampling test pipes need to be additionally arranged, transformation implementation is facilitated, and the technical benefit and the economic benefit are remarkable.

The invention discloses an internally-heated small air water taking device and method based on adsorption. The small air water taking device comprises an adsorption working condition and a desorptionworking condition. Under the adsorption working condition, an air inlet fan works, the air enters a center runner in an inner porous cylinder through an air inlet and radially enters an adsorption bed, moisture absorption of the air is implemented by adsorbent, and the air passes an annular runner and a steady-flow hydrostatic cavity and then discharged. Under the desorption working condition, theair enters the center runner from the air inlet, is heated by a heating bar arranged in the center runner and flows the adsorption bed to heat the adsorbent to take away and adsorbs aggregated moisture, high-humidity air condenses water drops through circular fins, excess heat is taken away by a cooling fan, condensed water drops flow into a water storage tank along a wall surface, and water is taken by the air. The same runner is shared under the adsorption working condition and the desorption working condition, and the air centrifugally and radially flows. The device has the advantages thatthe device is small in size and simple in structure, water can still be taken at low-dew-point temperature, energy is saved and the like.

The invention discloses an interferometer with an adjustable dynamic range, which comprises a light source, an illumination system, a beam expansion collimation system, a light splitting system, an imaging system, a PZT precision tiltboard, a Fizeau flat plate, a standard lens, a tested optical element, a mounting and clamping regulation system and a computer control and data processing system. Phase shift related to a spatial position occurs to inclination between tested light and reference light beams among CCD pixels, an angle of inclination of the Fizeau flat plate arranged on the PZT precision tiltboard is controlled by a computer so as to control the spatial frequency of generated carrier frequency interferograms, and various algorithms, such as a Fourier transform-based algorithm, a spatial phase-shift algorithm and the like, are adopted to perform phase resolution. For the carrier frequency interferograms of different kinds of spatial frequency, the algorithms suitable for frequency characteristics of the spatial frequency of the carrier frequency interferograms are adopted to perform optimal phase shift resolution, so that a phase extraction algorithm works in an optimal range to further realize high-precision phase resolution. The interferometer of the invention has the adjustable dynamic range, relatively larger dynamic range, relatively higher measurement precisionand relatively greater application value.

The invention relates to a solid femtosecond amplifying device and a method thereof. An isolator, a polarizing cube I, a rotator and a 1 / 2 wave plate successively arranged along an optical path are located on one side of a lens. A total reflector is also arranged on the same side of the lens. A laser crystal is arranged on the other side of the lens. A coupling mirror is arranged on the other sideof the laser crystal. The pumping light of a pumping source enters the laser crystal through a coupling system and the coupling mirror. A polarizing cube II, a 1 / 4 wave plate and a volume grating aresuccessively arranged on the reflection output optical path of the polarizing cube I. The solid amplification technology increases the output single-pulse energy of the amplifier. The four-way traveling wave amplification technology increases the amplifier gain, and tens of watts of amplified light output can be easily achieved. End pumping is used and seed pulse and pumping light achieve a highly spatial coincidence degree so as to achieve excellent output optical pulse quality. A pulse compression scheme uses a volume grating compression technology to achieve high-quality pulse compressionwith one device, thereby increasing power output efficiency.

The invention discloses an integrated multifunctional window based on nanofluids. The integrated multifunctional window comprises outer side glass and inner side glass, wherein laminated glass is arranged between the outer side glass and the inner side glass and is connected with the outer side glass through memory spring steel, the outer side glass, the laminated glass and the memory spring steel form a cavity, the cavity is filled with the nanofluids, a heat exchange water tank is arranged on the top of the cavity, an expansion air bag is arranged in the heat exchange water tank and communicates with the cavity through a pipeline, a water inlet pipe and a water outlet pipe are arranged on the heat exchange water tank, and a reflecting and airing device which is used for reflecting sunlight and airing clothes is connected to the outer side of the outer side glass. The integrated multifunctional window has the following beneficial effects that the nanofluids are adopted, titanium dioxide, silver, titanium nitride and carbon black can be selected as the nanofluids according to different lighting requirements, additionally, the transmittance of light is adjusted by changing the thickness of the nanofluids, continuous adjustment and flexible lighting can be realized, and the energy radiated by the sun is utilized through the heat collection effect of the nanofluids and is used for domestic hot water, so that the condition of energy waste is changed; and the reflecting and airing device is arranged, so that the utilization rate of solar energy is increased, and clothes can be aired.

A miniaturized uncooled infrared continuous zoom optical system with a large target surface, comprising a first meniscus positive lens, a biconcave negative lens, a biconvex positive lens, a second meniscus positive lens, a third meniscus positive lens, detector; the lens adopts a refraction-diffraction hybrid system, and through the reasonable distribution of the focal power of each lens, the number of system lenses, the volume of the system, and the weight of the system are reduced; the zoom curve of the system is smooth and continuous, effectively avoiding The stagnation phenomenon occurs during the zooming process; the method of axially moving the third meniscus positive lens realizes the defocus compensation of the image plane in the temperature range of -40°C ~ +60°C and the distance change of the observed object. Focus compensation ensures clear imaging of objects at different distances and avoids system complexity caused by uncooled design; the large target surface miniaturized uncooled infrared continuous zoom optical system of the present invention fills the gap in the domestic market for 1024×768 Blank continuous zoom optics for long-wavelength uncooled detectors.