33results about How to "Handy stats" patented technology

This Application relates to a system, method and computer software code for the timely and accurate self management by workers and employees of their own reporting of task related statistical data and information to their contractors and employers. This is a labour and service management system utilizing a “cloud based” server, and a portable “Smartphone” computing device that is in continual communication with the server by way of the wireless facility of the telecom service provider to the individual worker / employee, the effect of which system is that each worker or employee has his or her own individual mobile GPS enabled “punch clock” device. Both the server and the Smartphone contain computer readable software code. Additionally, this system supports custom interfaces between the contractor / employer and the worker / employee, and a wealth of management information in custom report formats. Taken together, the hardware and the software parts of the System create a worker self management process, which generates, connects and transforms raw data and information for the benefit of both the worker / employee, and his or her contractor / employer.

The invention discloses an LCD screen advertisement device assembled on a shopping trolley. The device comprises a shell with an LCD screen; both ends of the shell can be fixedly connected with push rods of a supermarket shopping trolley; the interior of the shell is provided with a speaker and a play control circuit structure which comprises a CPU control module, a data storage module, a data transmission module and a power supply module; and the CPU control module is connected with the LCD screen, used for processing and playing advertisements and respectively connected with the data storage module for storing advertisement data information, the data transmission module for providing a communication transmission interface and the power supply module for providing a power supply for the device. The advertisement device utilizes a propaganda platform of video image playing, can repeatedly play and periodically replace advertisement information while fully utilizing the mobility and the customer universality of shopping trolleys, and can attract supermarket consumers during selecting goods to pay attention to consumer information to the maximum extend, thereby widening the contact area with the consumers and the influence of the advertisements.

The invention discloses a method for image processing based on a matrix variable variation self-encoder so that a problem of damaging the spatial structure by image vectorization processing can be solved and thus image reconstruction, denoising and completion can be realized. Different from the traditional VAE, the method has the following advantages: the input, hidden layer features, latent variable distribution parameters of the model are described by using an inherent expression form -2D matrix of the image; with the definition of matrix Gaussian distribution and related properties, an explicit expression of an objective function of a novel model is deduced and then model parameters are calculated by using a stochastic gradient descent algorithm. In the model, modeling of the spatial structure and statistical information of the image data is carried out well because the involved modeling process is oriented at the matrix variable, so that the image reconstruction quality is enhanced, noises are removed, and the image completion is realized.

The invention discloses an intelligent acoustic emission continuous monitor for the stability of materials such as rock, concrete, metal structure, and the like, in particular a motor for carrying out damage-free monitoring for the materials such as rock, concrete, metal structure and the like so as to predict the stability of the materials. The acoustic emission technique can realize real-time continuous rock monitoring and precisely analyze acoustic emission collecting data. The invention uses acoustic emission measuring theory to collect and monitor the characteristics of the parameters such as number of acoustic emission events, number of key events, acoustic emission rate, and the like. The monitor automatically calculates through a microprocessor, displays and stores typical acoustic emission parameters (number of acoustic emission events, number of key events and acoustic emission rate) in real time; a FLASH flash memory with 64 M capacity can continuously store data for 2-3 months. The data stored by the intelligent acoustic emission continuous monitor is analyzed and processed through self-developed PXAE rock acoustic emitter software.

The invention discloses an automatic test system of an electric micromirror, which comprises an electric displacement platform, a pinhead for an electric micromirror test, a data acquisition system, and an electric micromirror automatic test control system optical path. The automatic test method of the electric micromirror comprises the steps of test of the electric micromirror yield, aging test and optical scanning test of the electric micromirror, test of the electric micromirror attribute. With the test system and method, the yield and the attribute of the micromirror can be automatically tested.

The invention discloses a service system based on agricultural product consumer-customized demand solution and application thereof. The service system comprises an agricultural product consumer-customized demand input end, an agricultural product consumer-customized output end, and agricultural product consumer-customized demand solution subsystem. Agricultural product consumer-customized demand information is input into the agricultural product consumer-customized demand solution subsystem via the agricultural product consumer-customized demand input end. The agricultural product consumer-customized demand solution subsystem acquires a solution and real operation process record report or a real operation process record report according to the agricultural product consumer-customized demand information. The agricultural product consumer-customized output end outputs the solution and real operation process record report or the real operation process record report. The service system may comprehensively and specifically solve various customization demands of agricultural product consumers, may fast and professionally solve the demands of the agricultural product consumers, and feeds back a corresponding scheme or the real operation process record report.

The invention provides a water drainage monitoring system for water supply tanks. The water drainage monitoring system comprises a water level sensor and a controller. The water drainage monitoring system has the advantages that internal water level values of the water supply tanks can be detected by the water level sensor, the controller can carry out judgment according to the water level values detected by the water level sensor and preset water level thresholds, accordingly, electromagnetic valves can be switched on and off under the control, water in the water supply tanks can be drained, the purpose of automatically draining the water can be achieved, and firefighting water supply can be guaranteed; the water drainage monitoring system is simple in design and high in practicality, and the later-stage maintenance cost can be reduced.

The invention discloses a cable coiling machine capable of measuring the cable length. The machine is characterized by comprising a coiling block module, a guide module and a measuring module; the guide module comprises a base, a horizontal plate, and a lead part which slides on the horizontal plate; the sliding direction of the lead part is parallel to the horizontal plate; the measuring module comprises a speed measuring module, a display, and a roller module for fastening a cable; the speed measuring module is used for measuring the instantaneous speed of a roller hub and displaying through the display to form a coordinate image. The machine achieves the beneficial effects that the cable can be quickly coiled through the lead part, and the space above the coiling block module cannot be wasted due to the inclining of the cable; the measuring module is on the basis of infinitesimal calculus principle, so that the length of the cable can be accurately calculated according to the formed speed and time coordinate map; meanwhile, the originally loosened cable can be straightened, thus the coiling efficiency is greatly improved, and workers can count data conveniently.

The present invention relates to extraneous control technology of functional electric stimulation in biomedicine engineering, and is one kind of intelligent electric stimulation controller. The controller consists of LCD display and control panel, power supply and step-up and protecting circuit, monochip computer control unit, EEPROM memory system, program controlled amplitude regulating unit, power amplifier circuit and output interface. The controller together with monochip computer and peripheral device constitutes a complete system to produce, control and output functional electric stimulation waveform of several modes and provide electric stimulation signal of enough power. The electric stimulation signal the controller provides may be connected to various stimulation electrodes for different functional compensating and functional receiving purposes.

The invention discloses a method for monitoring and serving elders by using an RFID (Radio Frequency Identification Devices) technology. The monitoring and counting method is characterized in that an RFID information receiving system is installed at a communication service center; an RFID reader is arranged in the community; the monitoring and the service of the elders are performed by combining the RFID reader with a community card in which an active RFID chip is set, so the functions of monitoring, positioning, data acquisition, distress alerting and the like are realized, labor force is saved, the efficiency is improved, and the serviceability of the community is improved. The method has higher value.

The invention relates to a detection device for lychee stem borers and a using method, belonging to the technical field of lychee stem borers detection, comprising a camera assembly, a detection assembly and a recording terminal device. A guide rod, the second guide rod is connected to a second circular ring, a plurality of detection holes are arranged on the second circular ring, and at least one indicator light is arranged on the outer side of each detection hole, and the indicator light is provided with at least two indication states, The indication state includes a state with lychee pedicle borers and a state without lychee pedicle borers; the present invention passes automatic detection through the whole process, and can perform all-round detection on lychees, solves the phenomenon that the occluded view area cannot be detected, and improves the detection data. Accuracy rate, but also conducive to the detection of personnel statistics. The present invention is small in size, can be easily carried to the site for sampling and all-round detection of lychees, and is beneficial to instructing farmers to spray pesticides.

The invention relates to a salary issuing system and a salary issuing method adopting a bank USB key system. The salary issuing system comprises a human resource management system, a salary issuing client, a bank USB key, a bank direct connection client and a bank salary issuing system, wherein the bank salary issuing system only interacts with the bank direct connection client, the bank direct connection client can receive an external request and forward data to the bank salary issuing system for processing, the system adopts an account security system of a bank, and the bank direct connection client can be normally used only by inserting a corresponding bank USB key into a personal computer; the salary issuing client can interact with the human resource management system and the bank direct connection client, after the salary issuing client is connected with the human resource management system and the bank direct connection client, a user salary issuing request from the salary issuing client is sent to the bank direct connection client, and then a salary issuing result returned by the bank direct connection client is received and stored. According to the invention, the bank salary issuing function can be expanded, and the safety is high.

The invention discloses an LCD screen advertisement device assembled on a shopping trolley. The device comprises a shell with an LCD screen; both ends of the shell can be fixedly connected with push rods of a supermarket shopping trolley; the interior of the shell is provided with a speaker and a play control circuit structure which comprises a CPU control module, a data storage module, a data transmission module and a power supply module; and the CPU control module is connected with the LCD screen, used for processing and playing advertisements and respectively connected with the data storagemodule for storing advertisement data information, the data transmission module for providing a communication transmission interface and the power supply module for providing a power supply for the device. The advertisement device utilizes a propaganda platform of video image playing, can repeatedly play and periodically replace advertisement information while fully utilizing the mobility and thecustomer universality of shopping trolleys, and can attract supermarket consumers during selecting goods to pay attention to consumer information to the maximum extend, thereby widening the contact area with the consumers and the influence of the advertisements.

The invention relates to a leakage protection switch and step voltage detection device tester, which comprises a shell, a circuit board is arranged in the shell, and a main controller, a power amplifier, a memory, a resistive load and an AC-DC-AC module are arranged on the circuit board; the circuit board is connected with the display module, the adjusting module and the output port on the shell,and is connected with the B-type leakage protection switch or the step voltage detection device through the output port. According to the invention, the display module can select waveform signals in the memory through the main controller, provide energy for the waveform signals through the power amplifier, convert the waveform signals into current through the resistive load and output the currentto the B-type electric leakage protection switch, thereby detecting the B-type electric leakage protection switch. Furthermore, the adjusting module can control the AC-DC-AC module to convert 220V alternating current into direct current through the main controller, then the direct current is inverted into alternating current, meanwhile, after the phase, frequency and voltage value of the alternating current are changed, the alternating current is output to the step voltage detection device through the resistive load, and then the step voltage detection device is detected.

The invention relates to a multi-point monitoring detecting device for a sulfur hexafluoride (SF6) gas leakage monitoring alarm. The multi-point monitoring detecting device for the SF6 gas leakage monitoring alarm comprises a shell; the shell is internally provided with a processing device and a processing device electrically connected with the output end of the processing device; the upper end of the shell is provided with a wireless receiving device; the wireless receiving device is provided with three monitoring sensors corresponding to blind holes; the lower ends of the monitoring sensors are inserted in the blind holes and connected with the wireless receiving device; each monitoring sensor consists of a housing, a gas sensor for monitoring SF6 gas and a gas calibration sensor for calibrating the SF6 gas which are installed in the housing, a wireless signal transmitting device, a power device and a connecting device. The multi-point monitoring detecting device for the SF6 gas leakage monitoring alarm remotely transmits the monitoring data of multiple sites to the receiving end of the alarm through the connecting device and the wireless transmitting device, and stores the monitoring data through the storing device in the alarm, so the detection range of the alarm is greatly enlarged, and the data statistics is convenient.

The invention discloses a high-precision electrical stimulation controller relating to an in vitro control technology for functional electrical stimulation in the biomedical engineering field. The high-precision electrical stimulation controller is an intelligent electrical stimulation controller. The high-precision electrical stimulation controller comprises a liquid crystal display, a control panel, a power supply, a boosting protection circuit, a single chip microcomputer control unit, an EEPROM (Electrically Erasable Programmable Read-Only Memory) storage system, a program control signal amplitude regulating unit, a power amplification circuit and an output interface. Through an integral system comprising a single chip microcomputer and a peripheral electronic device, functional electrical stimulation waveforms with multiple modes are precisely generated, controlled and outputted, and an electrical stimulation signal with enough power is provided. The electrical stimulation signal provided by the controller can be connected to various stimulation electrodes for functional compensation or functional rehabilitation, a user can flexibly set and regulate the electrical stimulation signal by the control panel and a man-machine conversation process and various determined parameter number values can be displayed on the liquid crystal display. The high-precision electrical stimulation controller has the advantages of small size, convenience in carrying, reliable performance and safety.

The invention discloses an image processing method based on a matrix variable variational autoencoder, which can solve the problem of image vectorization processing destroying the spatial structure, and further facilitates image reconstruction, denoising and completion. Different from the traditional VAE, this method uses the inherent representation of the image-2D matrix to describe the input of the model, hidden layer features, latent variable distribution characteristic parameters, etc., and derives the target of the new model by using the definition and related properties of the matrix Gaussian distribution The explicit expression of the function, and then use the stochastic gradient descent algorithm to solve the model parameters. In this model, since the modeling process involved in the present invention is oriented to matrix variables, it can better model the spatial structure and statistical information of image data, thereby improving the quality of image reconstruction, better removing noise and image Completion.

The invention discloses fingerprint attendance-checking and signing-in equipment with a protection cover. The fingerprint attendance-checking and signing-in equipment comprises a signing-in equipmentbody, wherein a loudspeaker is embedded into the upper part of the front end of the signing-in equipment body; a fingerprint identification device is arranged at the upper part of the right side of the front end of the signing-in equipment body; a memory is arranged at the upper part of the right side of the signing-in equipment body; a reader-writer is arranged at the right side of the memory; aUSB (Universal Serial Bus) flash disk slot is formed in the lower part of the right side of the signing-in equipment body; the protection cover is arranged at the upper part of the signing-in equipment body; fingerprints on fingers are acquired through the fingerprint identification device; when the fingers pass through the fingerprint identification device, the fingerprint identification device can acquire fingerprint data and then the fingerprint data is rapidly analyzed and identified; the equipment has certain safety and identity verification is realized; the signing-in equipment is connected with a network through a TCP / IP (Transmission Control Protocol / Internet Protocol) communication interface and data report forms can be directly transmitted to a computer, so that the data is convenient to count; the fingerprint attendance-checking and signing-in equipment with the protection cover has the advantage that the working efficiency can be effectively improved.

The invention discloses a satellite steady-state availability calculation method, and the method comprises the steps: calculating the probability that a satellite enters each safety mode according tothe types of in-orbit safety modes of the satellite and the statistics of a fault tree analysis result of each safety mode and the occurrence probability of a bottom event to acquire relative occurrence probability that the satellite enters each safety mode; and counting the average duration of entering each safety mode and the average interval time of entering the safety mode for two times of similar models on the orbit; multiplying the relative occurrence probabilities of all the security modes by the average duration and then accumulating to obtain the average interruption time when the satellite enters the security mode once; and subtracting the average interruption time of the satellite entering the primary safety mode from the interval time of the average twice-advancing safety mode,and then dividing the average interruption time by the interval time of the average twice-advancing safety mode to obtain the steady-state availability of the satellite.

The invention relates to the technical field of flaw detection of nonlinear optical crystals and in particular relates to a flaw detection device for a nonlinear optical crystal and a using method thereof. The flaw detection device comprises a laser generator, an attenuator, an energy meter, an optical shutter, a convergent lens and a microscope, wherein the laser generator is used for generating laser irradiating the nonlinear optical crystal; the convergent lens is positioned on a light path of the laser and is used for converging the laser to the nonlinear optical crystal; the optical shutter is positioned on a laser light path between the laser generator and the convergent lens and is used for controlling on / off of the laser light path; the energy meter is used for measuring the energy of the laser irradiating the nonlinear optical crystal; the attenuator is used for adjusting the energy of the laser irradiating the nonlinear optical crystal; the microscope is used for observing the flaw conditions of the nonlinear optical crystal under laser irradiation. By utilizing the flaw detection device, the irradiation laser intensity and the flaw conditions of the nonlinear optical crystal to be detected under irradiation of the laser intensity can be conveniently obtained, and multiple groups of continuous flaw detection experiment are conveniently performed.

The invention relates to an oocyst incubation method for whelks, and belongs to the technical field of aquaculture larval rearing. The method is as follows: removing the oocysts of the whelks to an incubation basket; placing the incubation basket (3) in an incubation pool (5) for incubating, wherein the incubation basket is made of the polyethylene plastic, 50 cm long, 30 cm wide, and 25 cm high, the interior is covered by 60 meshes of bolting-silk net, the bottom is leveled, two edges of the upper end of the incubation basket are bound with rigid foam (7) so that the basket is floated on the water surface; placing an inflating device (4) on the bottom of the incubation basket for inflating slowly, wherein the upper part of the incubation basket is provided with a flowing device (1) made of polyvinyl chloride (PVC) pipes, the water is flowed from a flowing hole (2), and the water discharge is 7-8 L / minute; and incubating by using the flowing water. The method is capable of achieving the artificial incubation of whelks, and providing the feasible approach for large-scale production of whelks, and has the advantages of simple and convenient technology, high incubation rate, and low production cost.

The invention relates to a detection device for conopomorpha sinensis and a use method, and belongs to the technical field of conopomorpha sinensis detection, the detection device comprises a camera shooting assembly, a detection assembly and a recording terminal device, the detection assembly comprises second guide rods arranged on a rotating rod in a circumferential array mode, the second guide rods are connected with a second circular ring, and the second circular ring is connected with the camera shooting assembly; a plurality of detection holes are formed in the second circular ring, at least one indicating lamp is arranged on the outer side of each detection hole, the indicating lamp has at least two indicating states, and the indicating states comprise the conopomorpha sinensis conopomorpha state and the conopomorpha sinensis-free state; according to the method, automatic detection is carried out in the whole process, all-around detection can be carried out on litchis, the phenomenon that a blocked visual area cannot be detected is solved, the accuracy of detection data is improved, and data statistics of detection personnel is facilitated. The device is small in size, can be conveniently carried to a site to sample litchis and carry out all-directional detection, and is beneficial to guiding farmers to spray pesticides.

The invention relates to a material distributing device which comprises a conveying pump, a feeding pipe, a material distributing channel, a material returning pipe, a first flow meter and a second flow meter. The conveying pump is communicated with a stirrer; the feeding pipe is provided with a first feeding end and a first discharging end, and the first feeding end is communicated with a conveying port of the conveying pump; the distributing channel is provided with a second feeding end, a second discharging end and blanking ends arranged therebetween, the second feeding end is communicatedwith the first discharging end, and the blanking ends are communicated with a forming die; the material return pipe is provided with a third feeding end and a third discharging end, the third feedingend is communicated with the second discharging end, and the third discharging end is communicated with the stirrer; the first flow meter is arranged on the feeding pipe and used for measuring the amount of concrete flowing through the feeding pipe; and the second flow meter is arranged on the material returning pipe and used for measuring the amount of concrete flowing through the material returning pipe. Thus, concrete is directly conveyed into the forming die, so that the material distribution can be efficiently carried out. The invention further relates to a forming system.

The invention relates to the technical field of flaw detection of nonlinear optical crystals and in particular relates to a flaw detection device for a nonlinear optical crystal and a using method thereof. The flaw detection device comprises a laser generator, an attenuator, an energy meter, an optical shutter, a convergent lens and a microscope, wherein the laser generator is used for generating laser irradiating the nonlinear optical crystal; the convergent lens is positioned on a light path of the laser and is used for converging the laser to the nonlinear optical crystal; the optical shutter is positioned on a laser light path between the laser generator and the convergent lens and is used for controlling on / off of the laser light path; the energy meter is used for measuring the energy of the laser irradiating the nonlinear optical crystal; the attenuator is used for adjusting the energy of the laser irradiating the nonlinear optical crystal; the microscope is used for observing the flaw conditions of the nonlinear optical crystal under laser irradiation. By utilizing the flaw detection device, the irradiation laser intensity and the flaw conditions of the nonlinear optical crystal to be detected under irradiation of the laser intensity can be conveniently obtained, and multiple groups of continuous flaw detection experiment are conveniently performed.

The invention belongs to the field of signal and information processing and particularly relates to a multi-station incoherent scattering radar signal extraction method and system and devices, therebysolving a problem that scattering signals are difficult to calculate and extract since the wave beam cross scattering volume changes constantly. The method comprises the following steps: calculatingdirectional diagrams of grid antenna arrays of a transmitting station and all receiving stations; for the grid antenna array of each receiving station, if the grid antenna array of each receiving station and the grid antenna array of the transmitting station are located in the same base, acquiring received scattering signals through a single-station phased array radar scattering signal acquisitionmethod, and otherwise, acquiring the height of the scattering volume in a transmitting beam direction; calculating a scattering volume; integrating the scattering volume with the directional diagramsof grid antenna arrays of the transmitting station and the receiving stations, and calculating scattering signals received by the grid antenna arrays of the receiving stations in combination with thepower of a transmitter of the transmitting station; and circularly acquiring scattered signals received by the grid antenna array of each receiving station. Therefore, a problem that scattering signals are difficult to calculate and extract is solved.

The invention relates to an intelligent agricultural multifunctional seedling collecting robot and a seedling collecting method thereof, and belongs to the technical field of robots. The intelligent agricultural multifunctional seedling collecting robot comprises a head assembly, a machine main body, two groups of mechanical arms and a lower machine body, wherein the head assembly is arranged at the upper end of the machine main body; the machine main body is arranged at the upper end of the lower machine body; the two groups of mechanical arms are arranged at two ends of the machine main body; the head assembly comprises a shell, an image acquisition module, an image recognition module and a GPS positioning module; the image acquisition module, the image recognition module and the GPS positioning module are arranged in the shell; the image acquisition module comprises two cameras and wiring terminals; the cameras are connected with the image recognition module through the wiring terminals; and the two cameras are symmetrically arranged at the left and right ends of the shell of the head assembly. According to the intelligent agricultural multifunctional seedling collecting robot and the seedling collecting method thereof, the robot can automatically weigh and print a current picking weight data sheet and remotely upload a picking record, so that a user can conveniently count data, a large amount of labor can be saved, and the working efficiency is improved.

The invention relates to a novel silicon slice transfer box. The novel silicon slice transfer box comprises a box body, a plurality of first supporting sticks and a plurality of second supporting sticks. The box body comprises a base plate, first side plates and second side plates. A plurality of first circular holes are formed in the first side plates and a plurality of second circular holes are formed in the second side plates. The second circular holes and the first circular holes are uniformly distributed on the same plane at intervals. Sponge mats are arranged on the surfaces of the box body, the first supporting sticks and the second supporting sticks. The novel silicon slice transfer box is capable of subpackaging cutting silicon slices of each polycrystalline silicon bar according to different colors, convenient to transfer, easy for inspection of a quality inspector and capable of improving production efficiency.

The invention relates to a novel silicon slice transfer box. The novel silicon slice transfer box comprises a box body, a plurality of first supporting sticks and a plurality of second supporting sticks. The box body comprises a base plate, first side plates and second side plates. A plurality of first circular holes are formed in the first side plates and a plurality of second circular holes are formed in the second side plates. The second circular holes and the first circular holes are uniformly distributed on the same plane at intervals. Sponge mats are arranged on the surfaces of the box body, the first supporting sticks and the second supporting sticks. The novel silicon slice transfer box is capable of subpackaging cutting silicon slices of each polycrystalline silicon bar according to different colors, convenient to transfer, easy for inspection of a quality inspector and capable of improving production efficiency.

The invention discloses a financial bill storage device. The device comprises a containing box and a box cover, wherein the inner surface of the box cover is provided with a fixing frame through screws, a calculator is clamped on the fixing frame, a writing board is arranged at the position, on one side of the calculator, of the inner surface of the box cover, the writing board is attracted with the box cover through a magnetic buckle, a coded lock is arranged at the joint of the containing box and the box cover, a containing case is arranged inside the containing box, partition boards are arranged at the positions, below the containing case, of the interior of the containing box, the partition boards divide the containing box into four containing cavities, and pinch cocks are arranged inthe containing cavities. According to the financial bill storage device, the safety of financial bills can be protected by the aid of the coded lock arranged, the situation that the containing box isopened by irrelevant persons is avoided, the containing case can classify and place the bills according to different sizes, and further can compact the bills in the containing cavities, so that looseness and disorder are prevented, and the writing board is convenient to take and use.

The invention belongs to the field of signal and information processing, and specifically relates to a multi-station incoherent scattering radar signal extraction method, system, and device, aiming to solve the problem that scattering signals are difficult to calculate and extract due to the momentary change of beam crossing scattering volume. The method of this system includes: calculating the direction diagram of the grid antenna array of the transmitting station and each receiving station; The array radar scattering signal acquisition method obtains the scattered signal received by it, otherwise obtains the height of the scattering volume in the direction of the transmitting beam; calculates the scattering volume; integrates the scattering volume with the pattern of the grid antenna array of the transmitting station and the receiving station, Combined with the power of the transmitter of the transmitting station, the scattered signals received by the grid arrays of each receiving station are calculated; the scattered signals received by the grid antenna arrays of each receiving station are obtained cyclically. The invention solves the problem that the scattered signal is difficult to calculate and extract.