45results about How to "Take advantage of flexibility" patented technology

The method comprises: at least one of both source device and destination device is used as the test initiative side to send unicast message; said unicast message contains the physical address of test passive side; said unicast message is relayed to the test passive side corresponding to the physical address via intermediate device; the test initiative side decides if the Ethernet link is normal according to t he receiving state of the unicast message returned by the test passive side. The invention also reveals a test system and an apparatus thereof.

The invention discloses a method for suppressing side lobes of sum beams and difference beams of a planar phased array only by utilizing one kind of analogue weighting, which belongs to the fields of array antennae and array processing and aims to solve the problems that the conventional methods for simultaneously suppressing the side lobes of the sum beams and the difference beams only by utilizing one kind of analogue weighting is inapplicable to the planar array and that the side lobe suppression effects are unsatisfactory. In the method, N array elements are divided into four quadrants, imaginary interference is suppressed by adopting an optimal adaptive method based on a linear constraint minimum variance rule, calculating an analogue weighting vector according to a formula, weighting the output of each array element according to the analogue weighting vector wana to finish suppressing the side lobes of the sum beams and difference beams of the planar phased array. To achieve more ideal effects, a second technical scheme is provided, and in the second technical scheme, digital weighting processing is further added, a sub-array level weighting vector of the sum beams is wdig_Sigma=(TSigma<H>TSigma)<-1>TSigma<H>wTay, and the sub-array level weighting vector of the difference beams is wdig_Delta=(TDelta<H>TDelta)<-1>TDelta<H>wBay.

The invention discloses a high-performance video processing and transmitting system based on a Zynq platform. The system is arranged between an external video source and an upper PC machine, and mainly comprises a video input module, used for collecting valid data in an external video source signal; a VDMA module, used for transmitting video signals in a programmable logic (PL) module to a storage at high speed; a video processing module, used for completing a complex video processing function; an AXI interconnection module, used for connecting the PL module with a processing (PS) system; the PS system, used for controlling the managing the whole system; and a PCIe module, used for packaging video frame data into a corresponding PCIe message, and transmitting the data between the system and the upper PC computer at high speed via a PCIe bus. The system of the invention integrates the capacities of collecting, processing and transmitting high-definition videos at high speed, and has the advantages of being strong in processing capacity, high in video quality and fast in transmission speed.

The invention relates to a deskew device and method applied to a high-speed parallel optical interconnection system, which can be applied to a 40 Gbps very short distance optical transmission system. The frame alignment circuit of a deskew channel adopts a window comparator and a priority encoder, and determines the frame original position according to the search of frame delimiters, so as to realize the frame alignment. The data of each data channel is compared with the copy information of each data channel borne in the deskew channel after frame alignment so as to obtain the skewing amount of each data channel, and each data channel is aligned with the deskew channel, thereby achieving the alignment of 16 data channels. The fan-out of the circuit can be effectively reduced, the operating speed can be improved, and the device resource can be saved; moreover, a sliding window generator designed based on a shift register is matched with the window comparator to work, thereby being capable of adjusting the skewing amount among channels in wider range and improving the design flexibility and practicability.

The embodiment of the invention discloses a page generation method and device, equipment and a storage medium. The method comprises the steps of determining a reference page template corresponding toa target page from a pre-generated page template set according to page demand information of the target page to be generated; calling a standard configuration syntax tree corresponding to the reference page template, and determining distinguishing element information of the target page relative to the reference page template; and generating a target page by modifying the standard configuration syntax tree in combination with a page rendering engine according to the standard configuration syntax tree and the distinguishing element information. According to the method, when a to-be-generated page with a customization requirement exists, the reusable page template can be determined from the existing page templates, and the page meeting the customization requirement can be simply and quickly generated by modifying the configuration syntax tree corresponding to the page template; therefore, the flexibility and universality of ranking development are fully utilized, the utilization rate of the developed page template is increased, and then the development efficiency of the page number to be generated is greatly improved.

The invention provides a confidential capacity calculation method and an optimization method of a dual-medium untrusted relay system, which are used for solving the problems of average confidential capacity calculation and safety performance optimization of a series-parallel hybrid fading system with a variable gain untrusted relay. According to the confidential capacity calculation method, communication is established between an information source S, an untrusted relay R and a terminal D, the S sends useful information and interference signals in a broadcasting stage to act on the R and the Drespectively, the D can eliminate the interference signals, and the average confidential capacity of the system is calculated by taking the model; according to the optimization method, system resources among the transmitting power, the artificial noise power and the untrusted relay power are optimally distributed by solving a nonlinear multivariate function, and the system safety and reliabilityperformance are balanced. According to the method, a mathematical model is established to optimize and allocate system power resources while an average confidential capacity calculation formula is derived, so that the reliability of the relay network is improved, and meanwhile, the security confidential performance is optimized.

The invention discloses an eddy current detection method using finger touch as supplementary means and a device thereof. A coil capable of being used for realizing eddy current detection is wound in the shape of a pancake or arranged on a flexible circuit board to form a small sensor capable of flexibly bending, then the small sensor is mounted on a finger of a human body (namely an operator), and the finger is used as the framework of the coil. As the small sensor is capable of flexibly bending, the small sensor is adapted to the surface of a metal structural member along with the flexible motion of the surface of the finger. Synchronously, by adopting the sensitivity of human body contact and the flexibility of the finger, the small sensor can conveniently move on the detected surface of the metal structural member without being influenced by all obstacles such as pit, welding beading and the like. The finger touch can be used for supplementary location and judgment so as to improve the accuracy and adaptive capacity of detection result. The method is particularly suitable for defect detection on the complex surface of the metal structural member.

Disclosed is a brick automatically packing production line. The brick automatically packing production line comprises a circulatory feeding system, a brick pushing mechanism, a piled brick longitudinally packing system, a pile pushing mechanism, a piled brick transversely packing system and an automatic detection controlling system. The circulatory feeding system crosses over a plurality of brick carts and is arranged at the feeding end of the piled brick longitudinally packing system to feed brick materials to the longitudinally packing system; the brick pushing mechanism is used for pushing piled bricks on the circulatory feeding system onto the piled brick longitudinally packing system, is close to the feeding end of the piled brick longitudinally packing system and is arranged on the ring-shaped inner side of the circulatory feeding system; the piled brick longitudinally packing system is composed of a rolling carrier roller brick conveying mechanism and a packing head assembly, wherein the rolling carrier roller brick conveying mechanism is used for conveying the piled bricks through carrier rollers, and the packing head assembly comprises a guide unit, a lateral brick pressing unit and a packing head; the piled brick longitudinally packing system is used for longitudinally packing single-layer piled bricks to achieve grouping of the piled bricks; the pile pushing mechanism is used for pushing the longitudinally-packed piled bricks towards the piled brick transversely packing system and arranged on the side surface of the tail end of the piled brick longitudinally packing system; the piled brick transversely packing system is similar to the piled brick longitudinally packing system and is used for transversely packing the grouped piled bricks and arranged on the side surface of the tail end of the piled brick longitudinally packing system; the automatic detection controlling system is used for coordinating actions of all the parts.

A motor-vehicle lock with an adjusting element, which is adjustable about an adjusting element axis, and a drive for the adjustment of the adjusting element, the drive having a rotor, formed by the adjusting element, with a permanent magnet arrangement and a stator with a coil arrangement-comprising at least two coils, and the drive being designed in the manner of a direct drive. It is proposed that the stator has at least two poles, by way of which a magnetic field generated by the coil arrangement is made to pass, in that at least one pole of the stator reaches up to the rotor to within a gap which in cross section is essentially in the form of a segment of a ring, and in that the poles of the stator are magnetically coupled by way of a conducting arrangement running around the rotor with respect to the adjusting element axis.

According to the straight-arm double-rotation overhaul operation platform mechanism. A first-stage rotation device is fixed to a base, the first-stage rotation device is connected with a second-stagerotation device through a variable-amplitude telescopic device, a working platform is fixed to the upper end of the second-stage rotation device, and a wire lifting and pulling device is arranged on the working platform; and the first-stage rotation device is provided with a variable-amplitude oil cylinder which is hinged to one end of the variable-amplitude telescopic device and used for adjusting the pitching action of the variable-amplitude telescopic device, and the other end of the variable-amplitude telescopic device is provided with a leveling oil cylinder which is hinged to the second-stage rotation device and used for adjusting the angle of the working platform. According to the straight-arm double-rotation overhaul operation platform mechanism, the 360-degree continuous rotary motion of the height-adjustable working platform is achieved, the overall action flexibility of the mechanism is high, the working conditions of contact networks, tunnels and sound barrier overhauling areas can be effectively and completely covered, the space of the working platform is increased, the bearing capacity is improved, and the number of contained operators and equipment is increased; overhauling operation is utilized, so that the requirement for vehicle fixed-point parking accuracy is low; and the action flexibility of the working platform is fully utilized, so that the position of the working platform is compensated and adjusted.

The invention discloses a real-time data query method, device and equipment and a storage medium. ES and ClickHouse consume data from the same source data at the same time and store the data respectively, and different engines are adopted to perform data response according to the target data volume pointed by different query requests, so that the obvious disadvantages of Es in data deduplication and counting are overcome, the flexibility of the ES in aggregation nesting is fully utilized, rapid aggregation analysis is carried out on huge-scale data, a result is returned, an approximate real-time effect is achieved, and the value and significance of a data query result are improved.

The invention relates to a calibration device for a six-degree-of-freedom force and torque sensor. The calibration device comprises a lifting mechanism, a six-degree-of-freedom movement tool of a stewart structure and a six-degree-of-freedom force and torque measurement tool of the stewart structure, wherein the six-degree-of-freedom movement tool is mounted at the bottom of the lifting mechanism in an inverted manner and can move up and down along with the lifting mechanism; the six-degree-of-freedom force and torque measurement tool is positioned below the six-degree-of-freedom movement tool; and the six-degree-of-freedom force and torque sensor to be detected is fixed between the six-degree-of-freedom movement tool and the six-degree-of-freedom force and torque measurement tool. According to the calibration device, mounting, fixing and replacement of the six-degree-of-freedom force and torque sensor to be detected become convenient and quick, the detection accuracy can be improved, and the stability is good.

The invention discloses a breathable shoe sole. The breathable shoe sole solves problems that in the prior art, the breathable effect is poor, blockage and damage are prone to occurring due to complex arrangement of pipe holes, manufacturing cost is high, and comfort and durability are poor. The breathable shoe sole comprises a breathable middle sole provided with a breathable upper sole on the upper side, and is characterized in that a wear-resistant lower sole is arranged on a lower side of the breathable middle sole; a transition air bag cavity is formed in a front foot sole end of the breathable shoe insole, and foot sole front air inlet holes are formed in the upper side of the transition air bag cavity; flat one-way valves are arranged on two sides of the transition air bag cavity respectively, and ends of the flat one-way valves are connected with half sole side exhaust holes; a columnar one-way valve is arranged in a heel end of the breathable shoe insole, and two ends of the columnar one-way valve are connected with a foot sole heel portion air inlet hole and a heel portion side upper exhaust hole respectively. The reathable shoe sole is reasonable in design, compact in structure, capable of achieving one-way smooth flowing of fluid inside and outside the shoe, capable of rapidly draining moisture and water on the shoe sole, capable of improving the damp and hot closed environment in the shoe and capable of improving the comfort of the sole of the foot, flexible in self-adaptability and high in practicability.

The invention belongs to the technical field of composite ceramics, and particularly relates to a high-performance combined bulletproof plate. The bulletproof plate comprises a coating shell, a firstceramic baffle, a second ceramic baffle and a buffer layer; the first ceramic baffle is located on the upper surface of the buffer layer, the second ceramic baffle is located on the lower surface of the buffer layer, the first ceramic baffle and the second ceramic baffle are of honeycomb structures, and the coating shell wraps the first ceramic baffle, the second ceramic baffle and the buffer layer. The problem that in the prior art, only single protection is achieved is solved, the dual-layer ceramic baffles are adopted to serve as bulletproof areas, multi-layer blocking effect is formed, theservice life of the composite bulletproof plate is improved, through the long path, bullets are held back on the bulletproof layer, and the secondary protection effect is formed.

The invention belongs to the technical field of lightning protection, and particularly relates to a lightning conductor with a telescopic function. The lightning conductor comprises a lightning arrester (1), a conductive rod and a base (5), wherein the conductive rod is arranged below the lightning arrester (1); the base is arranged below the conductive rod; the lightning conductor is characterized in that the conductive rod is formed by connection of a movable rod (2) and a fixed rod (3); the movable rod (2) is connected with the lightning arrester (1); the fixed rod (3) is connected with the base; the movable rod (2) is sleeved with a spring (4). The movable rod is sleeved with a spring, so that the lightning conductor with the telescopic function can adjust the length of the lightning conductor; extension and contraction of the lightning conductor are set according to the number of spring pins and limiting holes; the lightning conductor can well bring the stretching advantages into play and can play a biggest role in lightning protection; the optimal lightning protection effect is achieved; disasters caused by thunder and lightning are reduced to the maximum extent.

The invention relates to an EHD printing preparation method of a flexible thermoelectric device, which is based on EHD printing equipment, adopts a conductive polymer PEDOT: PSS dispersion liquid as aprinting material, and comprises the following steps: 1) adjusting the surface tension of the conductive polymer PEDOT: PSS dispersion liquid by using a surfactant; 2) moving the PEDOT: PSS to an EHDprinting device; 3) performing parallel linear printing on a flexible substrate subjected to hydrophilic treatment; (4) replacing printing ink, specifically, replacing PEDOT: PSS with conductive ink,and sequentially connecting the PEDOT: PSS distributed in parallel in a linear mode through the conductive ink; 5, drying to obtain the flexible thermoelectric device; compared with a traditional thermoelectric device preparation method, the EHD printing preparation method has the advantages of being high in precision, small in size, low in energy consumption, low in cost and easy to operate, large-scale device preparation can be directly carried out, and the unit area output power of the thermoelectric device is greatly improved.

The invention discloses a wear-resistant corrosion-resistant water-ring vacuum pump, belonging to the field of pumps. The wear-resistant corrosion-resistant water-ring vacuum pump comprises a pump body and a pump cover. The wear-resistant corrosion-resistant water-ring vacuum pump is characterized in that both the pump body and pump cover are made from a nylon-based composite material. The corrosion resistance and wear resistance of the pump are greatly enhanced; the pump is convenient to install; the combination tightness between the pump body and pump cover is enhanced; the weight and operation noise of the pump are greatly lowered; and the service life of the pump is prolonged.

The present invention provides a method for calculating the secrecy capacity of a dual-media untrusted relay system and an optimization method to solve the problem of calculating the average secrecy capacity and security performance of a series-parallel hybrid fading system with variable gain untrusted relays optimization problem. In the confidentiality calculation method, communication is established between the source S, the untrusted relay R, and the terminal D, and S sends useful information and interference signals to act on R and D respectively during the broadcast stage, and D can eliminate the interference signals, thereby Calculate the average secrecy capacity of the system for the model; the optimization method optimizes the allocation of system resources among the transmitting power, artificial noise power and untrustworthy relay power by solving the nonlinear multivariate function, and balances the system security and reliability performance . The invention deduces the calculation formula of the average secrecy capacity, and at the same time establishes a mathematical model to optimize the allocation of system power resources, improves the reliability of the relay network, and optimizes the security and secrecy performance at the same time.

The invention discloses an eddy current detection method and device using finger touch as an auxiliary means. The coil that can be used to realize the eddy current detection is wound into a pancake shape or made on a flexible circuit board to form a small flexible sensor, and then Install the small sensor on the finger of the human body (that is, the operator). The finger is equivalent to the skeleton of the coil. Since the small sensor can be flexibly bent, the small sensor can be adapted to the surface of the metal structure with the soft movement of the finger surface. At the same time, using the sensitivity of human touch and the flexibility of fingers, it can easily move on the tested surface of metal structural parts, without being affected by various obstacles such as depressions and welding bumps, and can use the tactile sense of fingers to assist Positioning and judgment to improve the accuracy and adaptability of the detection results, this method is especially suitable for the detection of defects on the complex surface of metal structural parts.

A sample preparation cartridge for use with a sample preparation device, the cartridge comprising a housing defining a plurality of discrete sections, at least one of the sections comprising a stationary portion of a pipette member, and a movable head including a straw tip configured to be positioned adjacent to another of the plurality of sections in use with the straw tip in sealing engagement with the fixed portion of the straw component move between positions. With the present invention, a disposable sample preparation cartridge holder and corresponding analytical reader can be provided in a very cost-effective and simple manner, while still ensuring high quality sample preparation for analysis.

The invention provides an existing tunnel safety protection multifunctional rack for in-situ expansion tunnel construction. The existing tunnel safety protection multifunctional rack comprises a firstbracket and a second bracket horizontally connected to one side of the upper end face of the first bracket; the first bracket comprises a plurality of first transverse rods and a plurality of vertical rods connected to the bottom faces of the ends of the first transverse rods; the second bracket comprises a plurality of second transverse rods for being connected with the first bracket, and a plurality of inclined rods connected to the middles of the second transverse rods and used for supporting a tunnel arch wall; and the ends, close to the tunnel arch wall, of the first transverse rods andthe second transverse rods are provided with telescopic rods. During tunnel construction, horizontal support can be provided, the stability of the rack is improved, deformation of surrounding rock canbe controlled, and the construction safety is guaranteed; and the top face of the rack is formed by steel plates which are laid, protective nets are arranged on the periphery of the rack, the top face of the rack is provided with a movable slag discharging opening, the flexibility of the movable slag discharging opening is fully utilized, thus the slag discharging efficiency is effectively improved, the construction efficiency is improved, the construction period is shortened, and economic benefits are obvious.

The invention discloses a high-performance video processing and transmitting system based on a Zynq platform. The system is arranged between an external video source and an upper PC machine, and mainly comprises a video input module, used for collecting valid data in an external video source signal; a VDMA module, used for transmitting video signals in a programmable logic (PL) module to a storage at high speed; a video processing module, used for completing a complex video processing function; an AXI interconnection module, used for connecting the PL module with a processing (PS) system; the PS system, used for controlling the managing the whole system; and a PCIe module, used for packaging video frame data into a corresponding PCIe message, and transmitting the data between the system and the upper PC computer at high speed via a PCIe bus. The system of the invention integrates the capacities of collecting, processing and transmitting high-definition videos at high speed, and has the advantages of being strong in processing capacity, high in video quality and fast in transmission speed.

The invention discloses a navigation signal enhancement method based on a satellite communication signal, and the method comprises the following steps: a satellite receives an access request of a user terminal in a service area, determines whether a navigation signal enhancement authorized user application exists in a certain beam coverage area, and determines a navigation signal wireless resource configuration mode; the satellite generates a navigation signal based on the satellite communication signal, and modulates and transmits the navigation signal based on the satellite communication signal by using an idle channel or a channel allocated according to the authorized user level; a user terminal acquires a pseudo-range measurement result and a satellite navigation message between the user terminal and a satellite by capturing, tracking and demodulating a navigation signal based on a satellite communication signal, and then determines the position and time information of the user terminal through a positioning algorithm. According to the invention, multi-level navigation positioning time service can be provided for users with different permissions as required through resource allocation.

Disclosed is a brick automatically packing production line. The brick automatically packing production line comprises a circulatory feeding system, a brick pushing mechanism, a piled brick longitudinally packing system, a pile pushing mechanism, a piled brick transversely packing system and an automatic detection controlling system. The circulatory feeding system crosses over a plurality of brick carts and is arranged at the feeding end of the piled brick longitudinally packing system to feed brick materials to the longitudinally packing system; the brick pushing mechanism is used for pushing piled bricks on the circulatory feeding system onto the piled brick longitudinally packing system, is close to the feeding end of the piled brick longitudinally packing system and is arranged on the ring-shaped inner side of the circulatory feeding system; the piled brick longitudinally packing system is composed of a rolling carrier roller brick conveying mechanism and a packing head assembly, wherein the rolling carrier roller brick conveying mechanism is used for conveying the piled bricks through carrier rollers, and the packing head assembly comprises a guide unit, a lateral brick pressing unit and a packing head; the piled brick longitudinally packing system is used for longitudinally packing single-layer piled bricks to achieve grouping of the piled bricks; the pile pushing mechanism is used for pushing the longitudinally-packed piled bricks towards the piled brick transversely packing system and arranged on the side surface of the tail end of the piled brick longitudinally packing system; the piled brick transversely packing system is similar to the piled brick longitudinally packing system and is used for transversely packing the grouped piled bricks and arranged on the side surface of the tail end of the piled brick longitudinally packing system; the automatic detection controlling system is used for coordinating actions of all the parts.

Provided is a treadmill with a back-end damping function, belonging to the technical field of treadmills. The treadmill comprises a treadmill bottom frame (1) and is characterized in that the back side of the treadmill bottom frame (1) is equipped with back spring dampers (3); the front ends of the back spring dampers (3) are rotatably connected with the treadmill bottom frame (1); back connectingparts (6) are arranged between the back end of the back spring damper (3) and the treadmill bottom frame (1); the middle of the back connecting parts (6) are rotatably connected with the treadmill bottom frame (1); the upper parts of the back connecting parts (6) are rotatably connected with the back ends of the back spring dampers (3); the lower parts of the back connecting parts (6) are rotatably equipped with back ends of the back spring damper (3); the lower parts of the back connecting parts (6) are rotatably equipped with back rollers (4); and horizontal axles of the back spring dampers(3) are intersected with the horizontal plane. Elasticity of springs is fully utilized in order to effectively reduce noises generated during movement. The treadmill is simple in structure, easy in machining and implementation and concise and elegant in external appearance. Impact upon other parts of the treadmill is not caused. Therefore, the treadmill is highly universal.

The invention discloses a double-hand operation keypad based on mobile equipment. The keypad comprises a mobile device main body, the keypad is characterized in that a keyboard with 5 * 5 icons multiplexed is arranged at the lower part of the surface of the mobile device main body, the keyboard is divided into two groups of regions by a left region and a right region, only corresponding icons of one group of numbers, characters or symbols are displayed on a screen each time, function keys are respectively arranged at the side positions of the side surface of the mobile device main body, and the function keys are arranged based on human hand feeling positions. The structures of the keyboard and the keys are correspondingly innovated, so that a user can operate more conveniently, the icon size is more proper, and the input mode of double-hand touch typing is favorably realized.

The invention relates to a calibration device for a six-degree-of-freedom force and torque sensor. The calibration device comprises a lifting mechanism, a six-degree-of-freedom movement tool of a stewart structure and a six-degree-of-freedom force and torque measurement tool of the stewart structure, wherein the six-degree-of-freedom movement tool is mounted at the bottom of the lifting mechanism in an inverted manner and can move up and down along with the lifting mechanism; the six-degree-of-freedom force and torque measurement tool is positioned below the six-degree-of-freedom movement tool; and the six-degree-of-freedom force and torque sensor to be detected is fixed between the six-degree-of-freedom movement tool and the six-degree-of-freedom force and torque measurement tool. According to the calibration device, mounting, fixing and replacement of the six-degree-of-freedom force and torque sensor to be detected become convenient and quick, the detection accuracy can be improved, and the stability is good.

The invention discloses a novel upper-transmission vertical roller mill which comprises a base, wherein a vertical roller rack is arranged on the base; a vertical roller assembly is mounted on the vertical roller rack; a transmission bracket is arranged above the vertical roller assembly and located at the tops of stands of adjacent two apparatuses so as to support a transmission motor and a speed reducer; the transmission motor and the speed reducer are in transmission connection with the vertical roller through a universal coupling shaft; a separation mechanism is arranged between two universal coupling shafts below the speed reducer so as to separate the universal coupling shafts from the vertical roller; and the vertical roller rack is also provided with a side moving mechanism for the vertical roller to move along the two sides of the rack. The vertical roller mill disclosed by the invention can realize compact arrangement and quick roller change on the premise of adopting an upper-transmission vertical roller mill for multi-rack reversible tandem rolling; and the invention also discloses a novel mill arrangement mode and a roller changing method.