76results about How to "Flexible formation" patented technology

The invention belongs to the technical field of antenna array arranging optimization, especially to an optimal arranging method of antenna arrays of a sub-array level, and relates to a sparse sub-array and sparse array element antenna array integrated arranging method based on a heredity algorithm. A sub-array level array idea and sparse array element arrangement are combined to establish an arranging model, the peak side-lobe level (PSLL) of the antenna array is set as a fitness function to establish an optimization model, and the heredity algorithm is employed to solve the optimal result of the optimization model. The combination of the sub-array level array idea and the sparse array element arrangement are combined to overcome the landform problem, sub-arrays can be flexibly divided for arrangement. The optimization method combining sparse sub-arrays and sparse array elements effectively lowers PSLL, which is substantially reduced when compared with a molecule array arranging method. The convergence speed of the method is five to ten times that of a conventional sparse array arranging method, and the convergence speed is substantially improved.

The invention discloses wireless parallel test system and test method based on ZigBee, which relate to the technical field of test. The invention solves the problems of large field wiring construction amount and influence of a test signal by field wiring quality caused by the fact that the traditional test system acquires a test signal in a wire communication way. The test system forms a ZigBee network by adopting main wireless communication equipment and a plurality of wireless communication modules; the main wireless communication equipment is connected with a test control terminal by adopting a UART interface; and the wireless communication module in each kind of test equipment is connected with a built-in test module by adopting the UART interface. In the method for realizing test of the test system, the test control terminal is connected with the main communication equipment by the UART interface to realize the transmission of a test command and a test result, and the main wireless communication equipment and a plurality of kinds of equipment to be tested realize data communication by adopting the ZigBee network. The invention is suitable for a modern automatic test system, can realize the mutual coordination of hundreds of equipment to realize communication, and has high test efficiency.

The embodiment of the invention discloses a system and method for testing radio frequency (RF) of a long term evolution (LTE) base station. The system comprises a signal generator, a spectrum analyzer, a control personal computer (PC), an internal local area network (LAN), a circulator, an RF switch, a remote radio unit (RRU) and an auxiliary control unit. The signal generator, the spectrum analyzer, the control PC, the circulator, the RF switch, the RRU and the sub-control unit are connected to the internal LAN by network cables and used for interacting orders and data by the internal LAN. According to the embodiment of the application, automatic RF test demands of an LTE system can be met.

The invention discloses a comprehensive integrated mine dispatching communication system. The comprehensive integrated mine dispatching communication system comprises an integral dispatching platform, a dispatching platform and multiple functional systems, wherein the integral dispatching platform, the dispatching platform and the multiple functional systems constitute a local area network. The integral dispatching platform comprises a network switch, a dispatching host and a network management host. The dispatching platform monitors and dispatches the multiple functional systems through the local area network. The multiple functional systems comprise the wired dispatching communication system, the wireless dispatching communication system, the emergency broadcast communication system, the audio/video linkage system, the video dispatching system and the information miner lamp dispatching communication system. According to the comprehensive integrated mine dispatching communication system, the multiple functional systems are integrated through a universal IP network, the multiple systems can be commanded, dispatched, managed and maintained universally, and the multiple systems can independently operate; when an emergency occurs, multi-lateral cooperation, resource sharing and cooperative dispatching can be achieved.

The invention discloses a broadband directional microstrip patch antenna which is sequentially provided with a first medium layer, a microstrip feeder network arranged on the first medium layer, a second medium layer, a slit grounding surface arranged on the second medium layer, a third medium layer and a radiation patch array arranged on the third medium layer from bottom to top. The broadband directional microstrip patch antenna is simple to process and easy to assemble.

The invention provides a distributed array target angle measurement method for a high-frequency ground wave radar. The distributed array target angle measurement method for the high-frequency ground wave radar is characterized by comprising the steps of: (1), performing range Doppler processing on received echo of the array element of each radar sub-array; (2), performing data covariance matrix sparse-representation modelling; (3), performing conversion of an optimization problem to be solved; (4), performing internal cylinder to update a signal power estimation value; and (5), performing external cylinder to update a cost function, and finally obtaining target angle estimation. Compared with the traditional radar array, the distributed array adopted in the invention is flexible to arrangeand convenient to perform site selection; furthermore, the direction finding performance of the traditional array having relatively large aperture can be realized only through few array elements; according to the angle measurement method provided in the invention, only the single snapshot of a range Doppler domain is at least needed; the known target number and any artificial parameter adjustmentare unnecessary; and the direction finding performance is also obviously superior to that of the traditional radar angle measurement method.

The invention relates to a portable mobile section speed measurement method and system based on satellite positioning system and GIS (Geographic Information System). A set of portable monitoring equipment or other portable or fixed monitoring equipment are adopted. The monitoring equipment is connected with a background processing system through a wireless communication system. The system completes vehicle capture and relevant data detection through front-end equipment and transmits the captured vehicle data information to the background processing system for storage. When other front-end equipment in the system captures the same vehicle, the system automatically analyzes the route distance of two points and judges whether the vehicle is overspeed or not at the section. If the vehicle is overspeed, information such as road sections, section limited speed, section distance, average speed and passing time is automatically superimposed as law enforcement evidences. The innovative section speed measurement method provided by the invention has the advantages that the using efficiency of the equipment is greatly improved and the manufacturing cost of the section speed measurement equipment is reduced; through the dynamic section speed measurement system, low-cost high-efficiency realization method and equipment are provided for flexible road traffic speed management and control demands.

The invention discloses a distributed human face authentication information generation method, and a distributed human face authentication method and apparatus. The authentication information generation method comprises the steps of extracting human face feature data from a target human face picture; generating authorized information for the human face feature data according to a preset policy; performing compression processing on the human face feature data and the authorized information according to maximum supported capacity of a two-dimensional code; inputting the compressed data to a two-dimensional code generator; and outputting the two-dimensional code bearing human face authentication information. According to the authentication information generation method, human face features obtained by scanning two-dimensional codes are compared with human face features extracted on site in an one-to-one manner when human face identification is required, and persons with the human face features higher than a threshold are identified as the same person, so that high-precision human face identification can be realized; and only one-to-one comparison is required, so that compared with a system for performing identification in a database with a large amount of human face data, the calculation amount required for performing identification calculation once is small; and in a distributed calculation mode, a network can be flexibly established.

The invention discloses a compiling optimization method and system oriented to a customized rule file. All combined fields are uniformly put in a grammar to be processed, a text file is used for storing the result value of the field, so that type judgment only needs to be carried out during compiling, and different requirements are realized for different types. On one hand, physical memory is saved, and on the other hand, a code does not need to be revised. After a corresponding grammar frame is built, user input can be revised to control a compiling process, and the expandability of the system is greatly improved. Since an extensible grammar is used, the rule can be flexibly formed, and requirements that a code generation rule is flexibly configured can be solved. Meanwhile, due to the flexibility and the customized universality of the grammar structure, partial preprocessing optimization is carried out on an aspect of text, and compiling efficiency can be greatly improved.

The invention relates to the technical field o radar systems, discloses an external radiation source radar real-time signal processing method based on multi-CPU processing, and a multi-CPU computer or server is utilized to realize external radiation source radar real-time signal processing with a general programming language, thereby increasing the flexibility of realization of signal processing of an external radiation source radar. The whole signal processing process of the external radiation source radar is split into a plurality of processing steps of clutter suppression, correlation processing and target detection, each step runs on a different CPU resource, the processing time of each step is smaller than accumulation time of a set of data, i.e., if a signal loss phenomenon does not occur, continuity and real-time performance of signal processing are realized, and through the method provided by the invention, clutter cancellation processing can be completed, the flexibility of signal processing of the external radiation source radar is improved, and real-time performance of signal processing of the external radiation source radar is realized. In addition, the development period of signal processing of the external radiation source radar can also be shortened, and requirements for development technicians by signal processing of the external radiation source radar are lowered.

The invention discloses a gene chip for detecting pathogenic fungi of poplar canker. The gene chip comprises a carrier, and an oligonucleotide probe, a hybridization process positive control and a blank dot coating which are all located on the carrier, wherein the hybridization process positive control is Biotin; the oligonucleotide probe comprises 28 fungus probes which are as shown in SEQ ID NO. 2, 3, 8-33; or the oligonucleotide probe comprises 38 fungus probes which are as shown in SEQ ID NO. 1-35. The gene chip is applicable to detecting the pathogenic fungi of the poplar canker, covering 16 types under 5 categories. The technology for detecting and diagnosing the poplar canker by use of the chip flux of multiple PCR (Polymerase Chain Reaction) amplification environment samples is primarily applied to the detection of the poplar canker in the Beijing area. The gene chip for detecting the pathogenic fungi of the poplar canker is capable of serving for the establishment of the high-flux detection technology for other pests, and the application and study on the basis of related biological diversity.

The invention discloses a miniature broadband helical antenna. The miniature broadband helical antenna comprises a metal cavity (4), wherein the metal cavity (4) is comprehensively of a hollow tubular structure, a first wave absorption material layer (3) is arranged on the inner wall of the metal cavity (4), a feeding Balun (5) is arranged in the metal cavity (4), an antenna layer (1) is fixedly arranged on the upper end surface of the metal cavity (4), a metal rear cover (6) is fixedly arranged on the lower end surface of the metal cavity (4), a second wave absorption material layer (2) is arranged at the bottom of the antenna layer (1), the top of the feeding Balun (5) is provided with a feeding gap (11) in an upward extension way, the feeding gap (11) is in contact with a planar helical antenna (9), and a feeding connector (7) is arranged at the bottom of the feeding Balun (5). In the miniature broadband helical antenna, the planar helical antenna and the layered wave absorption material are used for forming a radiator, the layered wave absorption material is pasted on the inner wall of the metal cavity, and meanwhile, the design of broadband, circular polarization and miniaturization is achieved; and the reflection between the feeding Balun and the radiator is effectively reduced, and the standing wave characteristic of the antenna is improved.

The invention discloses a networking method for an emergency communication network for a mining area and a communication system for the mining area. Due to the facts that each downstream node carries out communication by selecting an upper-level node which is the shortest in path and the strongest in signal receiving, and the emission power of each downstream node is gradually reduced to be at passable lowest level, the communication network with low power consumption can be established flexibly and rapidly; due to the fact that the multi-radio-frequency communication mode is adopted, the problem of mutual interference between terminal access and a network cascade channel is effectively solved, the network connection rate is increased and the continuous transmission capacity of comprehensive data services is improved. Therefore, a high-quality scheme is provided for establishment, maintenance and use of the low-power-consumption emergency communication network for the mining area, powerful communication support is provided for emergency rescue of accidents in the mining area.

A light-transmitting mold structure having a mold pattern corresponding to a portion to form a pattern by nanoimprint and a conductive film pattern corresponding to a portion to form a pattern by nonadiabatic near-field exposure is used to irradiate UV light from a back surface of the mold structure and to perform nonadiabatic near-field light exposure in an imprint process so that all patterns having various sizes for simulating various designs can be faithfully transferred by a single imprint process (imprint & UV exposure).

The invention discloses a remote video and audio editing method based on a virtualization technology for a multi-network environment, and belongs to the technical field of multimedia. The method comprises a service end and a client, and the following steps of the method are as below: S1: after the service end receives a service request, requested by a user, submitted by the client, configuring a virtual machine on a server according to the user demands and deploying video and audio editing software or services meeting the demands on the virtual machine; S2: establishing a connection between the service end and the client through a special protocol, and providing the virtual machine which is configured by the service end for the client in the way of virtual desktop or WEB service; and S3: carrying out remote editing on video and audio by the client based on the virtual desktop or WEB service. The method can be used by editing stuff in the way of the virtual desktop, and reduces the dependence on the performance of terminal devices, so that the demands of the user on editing capability can be met for different networks.

The invention provides a multifunctional intelligent patch board and a control method thereof. The patch board comprises patch board units, a main control circuit, a network communication module and aBluetooth module; the main control circuit receives a socket panel switch control instruction sent from a cloud server through the network communication module, or the main control circuit receives asocket panel switch control instruction sent from a monitoring terminal by a user through the Bluetooth module; and the main control circuit controls a socket power supply circuit of the corresponding socket panel to be closed according to the socket panel switch control instruction. By adoption of integrated design of multiple patch board units, multiple socket connection positions can be provided, and the adjacent patch board units can slide and move relatively, so that the problem of space conflict in connection of multiple electric appliance plugs on the patch board integrated with multiple sockets can be solved effectively; and by detecting the plug connecting states of the patch board through infrared induction modules, potential safety hazard can be lowered effectively.

The invention discloses a modularized dehydration method for polluted bottom mud of rivers, lakes, reservoirs and ponds. The method comprises the steps: sequentially carrying out pretreatment on the polluted bottom mud, carrying out primary slurry concentration, carrying out secondary slurry treatment, carrying out slurry dehydration treatment, buffering and collecting residual water, carrying out physical and chemical treatment on the residual water and carrying out deep treatment on the residual water. The dredged mud is primarily concentrated after being subjected to impurity removal and screening, the solid content of the mud is increased to 15-20% from 1%-5% of that of pretreatment; compared with a traditional sedimentation tank concentration process, the method has the advantages that the mud concentration can be remarkably increased, then secondary dosing treatment is carried out, along with the increase of the mud concentration after primary concentration, and the dosage in the link is reduced by about 20%; ad finally, dehydrating is carrying out to produce solidified soil and residual water, the collected soil is recycled, the residual water is purified by matching with recycling modes such as a baking-free brick process, a greening soil process and the like, and the residual water is discharged to a receiving water body after the residual water meets the discharge requirement. Through multistage treatment in the dehydration method, the dehydration speed of the polluted bottom mud can be integrally accelerated, and the treatment efficiency of the polluted bottom mud is improved.

The invention relates to an angular position feedback system for automatically testing step angle precision and a testing method. The angular position feedback system comprises an extended stepping motor controller, a coupling, an angular position sensor, an angular position indicator and an upper computer, wherein the extended stepping motor controller is used for controlling stepping drive of astepping motor, the angular position sensor is a synchro transmitter or a multistage rotary transformer, and the angular position sensor is used for being coaxially connected with the stepping motor through the coupling, synchronously outputting electric signal data corresponding to a step angle and sending the electric signal data to the angular position indicator; the angular position indicatoris used for converting the electric signal data acquired by the angular position sensor into actual step angle data and sending the actual step angle data to the upper computer; and the upper computerreceives and records the actual step angle data sent by the angular position indicator, compares the actual step angle data with the set step angle data of the stepping motor to be measured, and calculates to obtain the step angle precision. According to the invention, high-precision testing of the step angle precision can be realized, and the requirement of a user on step angle testing is met.

Disclosed in the present invention are a time slot synchronization training method for an optical burst transport network node, node device and network. The method includes: a reference time delay between a receiving control frame and a receiving data frame is trained by the node, wherein the data frame and the control frame are in the same period; and time slots for sending adjacent data packets in the data frame are trained by the node.

The invention discloses a guide language generation method and device, an electronic device and a computer storage medium. The guide language generation method comprises the steps of obtaining voice data of a user; converting the voice data into text data; extracting at least one target keyword from the text data; respectively obtaining attribute information of each target keyword and attribute information of an associated keyword of each target keyword, wherein the associated keyword is at least one keyword which is cross-correlated with the target keyword; and establishing a guide language according to each target keyword, each associated keyword, the attribute information of each target keyword and the attribute information of each associated keyword. Therefore, according to the voice of the user, various related guide languages are generated, the guide languages are not limited to similar guide languages, and are not limited to guide languages similar to the voice of the user in the same scene, so that the deep dialogue requirements of the user and the terminal equipment are better met.

The invention discloses a high-power-capacity dual-band elliptical patch reflective array antenna, and relates to the technical field of microwave communication. Compared with a traditional high-power-capacity antenna, the antenna adopts elliptical patches, which are different in frequency band size and are arranged in a staggered mode, as radiation patches. The limitation of low aperture utilization rate caused by narrow bandwidth of a traditional high-power-capacity antenna is overcome, the radiation of high-power-capacity microwaves can be realized in double frequency bands, the arrangementof a reflection array is flexible and easy to conform, the limitation of antenna efficiency caused by insertion loss is eliminated, and the efficiency of the antenna is higher. Compared with an existing dual-band patch reflective array antenna, the antenna adopts the elliptical patch antenna units as the radiation units, so field intensity concentration caused by patch slotting and seam protruding deformation structures is avoided. And meanwhile, the radiation patches are buried in the same dielectric layer in the dielectric plate, and the power capacity of the reflective array antenna is improved.

The invention provides a game virtual character display control method and device, equipment and a storage medium. The method comprises the following steps: in response to a formation triggering operation acting on a graphical user interface, determining at least two target virtual characters in virtual characters; dividing the at least two target virtual characters into at least two virtual character formations in response to a formation division operation acting on the graphical user interface; determining a target virtual character formation from the at least two virtual character formations; and in response to the control operation on the target virtual character formation, controlling the target virtual character formation to execute an instruction corresponding to the control operation. Through the method, the purpose of flexible formation of the virtual characters can be achieved, after formation is completed, players can also conduct unified control over the target virtual character formation, and due to the fact that the target virtual character formation can comprise a plurality of weapons, when the target virtual character formation is subjected to unified control, gameoperability can be improved.