48results about How to "Achieve reception" patented technology

The invention provides a data processing system, a data processing method and a core particle, and the data processing system comprises a data storage module which carries out the data width conversion of input sideband data, and stores the sideband data in the data storage module in the form of a sideband data packet; and the data analysis module is used for receiving the sideband data packet output by the data storage module, and sending the sideband data packet to an output interface according to the content of the sideband data packet, or completing the access of a local register according to the content of the sideband data packet. According to the data processing system, the data processing method and the core particle provided by the invention, a universal transmission method is provided for data in a universal core particle interconnection technology protocol.

The utility model relates to the field of wireless communication, in particular to a transparent antenna with high light transmittance, which comprises a transparent dielectric layer, a transparent antenna main body, a bearing layer, a polymer layer and a transparent conducting layer on the surface of the dielectric layer, and a grounding layer is a conductor and has excellent light transmittance. According to the utility model, the excellent conductive performance of the metal nanowire and the conductive characteristic and high light transmittance of the graphene film are utilized, the light transmittance and conductivity of the transparent conductive film are improved, the radiation efficiency of the transparent antenna is improved, and meanwhile, the graphene film and the metal nanowire have the bendable characteristic, so that the transparent antenna is more flexible. Therefore, the flexible transparent antenna can be prepared, the graphene film has the characteristic of non-penetrability to molecules and atoms, the stability of the composite structure transparent conductive film can be improved, the metal nanowire can be formed into a film by adopting a printing method, and the preparation cost can be reduced.

The invention belongs to the technical field of dynamic detection tests, and discloses dynamic binocular X-ray detection equipment and a detection method. The dynamic binocular X-ray detection equipment comprises a ray protection device and a detection device arranged in the ray protection device, the detection device comprises a ray source assembly, a detector assembly, a spiral CT observation platform, a falling machine and a falling platform, and the spiral CT observation platform is used for driving a to-be-detected product to move to the position where the falling machine can adsorb the to-be-detected product in the X direction; the falling machine drives a to-be-detected product to rise to a specified height to enable the to-be-detected product to fall onto the falling platform, and the two radiation source assemblies and the two detector assemblies achieve dynamic binocular X-ray detection on the to-be-detected product which falls. Dynamic damage detection of the to-be-detected product in the falling process is achieved, research on the damage mechanism of the to-be-detected product is facilitated, a test parameter basis is provided for optimization design of the to-be-detected product, the test frequency can be greatly reduced, the development period is shortened, and cost is reduced.

The invention provides a communication method based on two-way double lines, an optical driving circuit and related equipment, and relates to the field of display. The communication method based on bidirectional double lines is applied to current control equipment, and comprises the following steps: acquiring a to-be-transmitted data packet; and in response to a sending demand for the to-be-transmitted data packet, sending a clock signal to a target device through the clock line, and transmitting the to-be-transmitted data packet to the target device through the data line under the control of the clock signal, sending the to-be-transmitted data packet to the target device, so that the target device receives the to-be-transmitted data packet through the data line under the control of the clock signal received by the clock line; the target device is a control device connected with the current control device through the data line and the clock line. The communication method based on bidirectional double lines can reduce clock power consumption and improve circuit working efficiency.

The invention discloses a double-frequency broadband large-angular-domain high-gain antenna based on a cavity structure. The antenna mainly solves the problems that an existing antenna cannot meet the requirements of wide frequency band, high gain of a large angular domain near an end-fire direction and conformal installation at the same time. The antenna comprises a radome (1), a metal cavity (2), three sealing rings (3, 7 and 8), two radiators (4 and 5) and a connector (6), the radome comprises a radome front end, a radome flange and an air conditioning cavity from top to bottom, and the influence of the size non-uniformity of the radome on the antenna performance can be eliminated by changing the shape and size of the air conditioning cavity; the two radiators are located in the metal cavity and jointly adjust the angular domain range of the antenna; the first sealing ring (3) is positioned between the antenna housing and the metal cavity; second and third sealing rings (7, 8) are located between the metal cavity and the connector. The antenna has the advantages of being wide in frequency band, high in large angular domain gain near the end-fire direction and easy to conform, is high in water-pressure-resistant sealing performance, and is suitable for ground radar equipment and submarine radar equipment.

The invention provides a high-throughput wide-area Raman spectrum system for bacterial colony detection and an implementation method. The high-throughput wide-area Raman spectrum system comprises a laser and light spot adjusting module, a Raman imaging module and a detection module, the spatial heterogeneity problem of a bacterial colony sample is solved by setting a light spot adjustment scheme, a bacterial colony detection scheme and a high-throughput wide-area Raman scheme, so that the spectral repeatability of the bacterial colony sample is better, and establishment of a spectral database and identification of the bacterial colony sample are facilitated; the system is different from a common wide-area Raman system, has high throughput and high resolution, is more suitable for analysis and identification of biological samples, meets the resolution requirements of analysis and identification of various biological samples, and is scientific and reasonable in overall structural design, safe and reliable in implementation process and suitable for popularization and application.

The invention relates to the technical field of central gas sources, solves the problems that an existing central gas source is poor in output gas quality, tedious in system connection, low in integration level and inconvenient to assemble, and discloses a central gas source for external load gas supply, which comprises a pneumatic block, a compressor assembly, an ECU controller assembly and a dryer assembly. The compressor assembly is installed on the side face of the pneumatic block. The pneumatic block is of an integrally-formed structure, a switching valve set, an air valve set, an air inlet one-way valve, an air filter, a power limiting valve and a sensor assembly are integrated in the pneumatic block, and a valve seat for air inlet and exhaust and an air pipe connector are arranged in front of the pneumatic block. The ECU controller assembly is located on the rear end face of the pneumatic block and is parallel to the motor. The dryer assembly is located on the lower end face of the pneumatic block. And an external load inflation valve is also arranged in the pneumatic block. According to the invention, the integration level of the system is improved, external pipelines are reduced, the system structure is simplified, the installation and maintenance are more convenient, and the fault occurrence rate is reduced.

The invention relates to the technical field of interphones, and discloses a high-strength anti-falling interphone, which comprises an interphone, the storage cavity is arranged on the interphone; the antenna part is arranged on the accommodating cavity, an antenna connecting seat is arranged in the accommodating cavity, and the antenna part is inserted into the antenna connecting seat; according to the application, the antenna part can be conveniently extended when the interphone is used, stable transmission of signals is ensured, the antenna part can be automatically retracted when the interphone falls or is impacted by external force, the antenna is prevented from being damaged, and the anti-falling capability and durability of the interphone are improved. Due to the telescopic and self-protection design, the antenna improves the functionality of the interphone, and meanwhile, the safety and long-term reliability of equipment are taken into account. Compared with the traditional antenna design, the design effectively solves the problem that the antenna is easy to damage, and ensures that the interphone can still keep good working performance under the conditions of daily use, extreme drop and the like especially in a high-strength use environment.

The utility model discloses a classification packing medical garbage can for treatment vehicle, which comprises a can cover, an upper can body and a lower can body, the top of the upper can body is provided with a connecting body around the inner edge, the middle of the connecting body is provided with a blocking piece, the connecting body and the blocking piece are both provided with columnar holes, and gears are arranged in the connecting body and the blocking piece and correspond to the columnar holes in position. Clamping pieces are installed in the columnar holes of the connecting body and the blocking piece, a pressing piece is further installed in the connecting body, and a fixing piece is further installed in the blocking piece. According to the garbage can, the upper can body, the connecting body, the blocking piece, the columnar hole, the gear, the clamping piece, the pressing piece and the fixing piece are matched, opening containing of garbage bags or closing packaging of the garbage bags is achieved, medical workers are prevented from manually packaging the garbage bags of medical garbage and household garbage, direct contact between the medical workers and the garbage is reduced, and the labor intensity of the medical workers is relieved. And the safety of medical staff in daily work is improved.

The invention provides electronic equipment, and relates to the technical field of communication. The electronic equipment comprises a first antenna unit, a second antenna unit, a conductive frame and a shell connected with the conductive frame, the first antenna unit comprises a first radiator which is a part of the conductive frame; the second antenna unit comprises a second radiator rotationally connected with the shell, the second radiator comprises a first state, and when the second radiator is in the first state, the included angle between the second radiator and the shell is a preset included angle; and the first antenna unit and the second antenna unit are used for transmitting or receiving circularly polarized waves when the included angle between the second radiator and the shell is a preset included angle. Wherein electromagnetic waves used in satellite communication are circularly polarized electromagnetic waves. Therefore, the electronic equipment can receive and send the circularly polarized electromagnetic waves, the energy loss of the electronic equipment caused by polarization mismatch in the satellite communication process is reduced, and the signal strength and the transmission efficiency are improved.

The utility model relates to the technical field of sunflower seed kernel processing, and discloses a multi-stage fine separation sunflower seed kernel processing device which solves the problems in the background technology and comprises a bottom plate, a support is arranged on the top of the bottom plate, a driving motor is installed on the top of the support, and the output end of the driving motor is connected with a fine separation mechanism. The fine separation mechanism comprises a fine separation disc, a plurality of partition plates are arranged in the fine separation disc, the partition plates are concentric rings, screen holes are formed in the surfaces of the partition plates, the diameters of the screen holes in the partition plates are sequentially reduced from inside to outside, a first discharging opening is formed in the position, between every two adjacent partition plates, of the bottom of the fine separation disc, and a second discharging opening is formed in the position, between every two adjacent partition plates, of the bottom of the fine separation disc. A bearing plate is rotatably connected to the bottom of the fine separation disc in a sleeved mode, a plurality of second discharging ports are formed in the bearing plate, and the number of the second discharging ports is the same as that of the first discharging ports. According to the sunflower seed fine separation device, fine separation, husking and receiving can be conducted on sunflower seeds of different sizes, and the fine separation effect and efficiency are improved.

The utility model relates to a wireless transmission module for a railway wagon loading state monitoring system, which comprises a support and a monitoring device arranged on the support, the monitoring device comprises a camera and a plurality of distance measuring sensors, the support comprises a cross beam and supporting legs, the supporting legs are respectively arranged on two sides of a rail, the cross beam is fixedly arranged at the top ends of the two supporting legs, and the cross beam is of a linear structure. A camera and a plurality of distance measuring sensors are arranged on the bottom surface of the cross beam, the output ends of the distance measuring sensors are connected with a conversion circuit, the conversion circuit is connected with a main control module, and the main control module is in communication connection with the camera; the master control module is provided with a wireless communication module and is connected with an upper computer through the wireless communication module. According to the utility model, the conversion circuit is arranged to collect detection signals of the plurality of distance measuring sensors, the main control module is arranged to provide a hardware basis for processing a plurality of groups of detection data, the main control module is in communication connection with the camera, and the main control module is provided with the wireless communication module to complete wireless transmission of the detection data.

The application provides a D-band one-dimensional DBF-AIP microsystem architecture, comprising a quartz substrate, an on-chip antenna arranged on the upper surface of the quartz substrate, an RFIC chip arranged on the lower surface of the quartz substrate, a microwave board arranged below the quartz substrate, and BGA solder balls for connecting the quartz substrate and the microwave board. The D-band one-dimensional DBF-AIP microsystem architecture provided by the application maximally shortens the signal transmission distance, reduces the parasitic parameters, and obtains better performance, and meanwhile, the D-band one-dimensional DBF-AIP microsystem architecture is small in size, light in weight, and suitable for large-scale integration.

This application discloses a signal detection system, comprising: a frequency estimation device and a signal detection device; the output terminal of the frequency estimation device is connected to the input terminal of the signal detection device. The system can generate a chaotic photoelectric oscillator radio frequency signal by estimating the frequency of the incident signal and the optical carrier signal based on environmental conditions. Then, the chaotic photoelectric oscillator radio frequency signal is used to detect the target signal (i.e., a weak microwave photon signal). Therefore, the system can achieve the reception of weak signals within a large dynamic bandwidth, overcoming the shortcomings of traditional signal detection methods, such as narrow operating bandwidth and low detection sensitivity.

The application provides a high-isolation transceiving simultaneous frequency conversion assembly, which comprises independently controlled SC frequency band receiving and transmitting links, X frequency band receiving and transmitting links, an SC frequency band transmitting intermediate frequency input port (J2) connected with the SC frequency band receiving and transmitting links, an SC frequency band receiving intermediate frequency output port (J1), an SC frequency band receiving radio frequency input port (J5), an SC frequency band transmitting radio frequency output port (J6), an X frequency band transmitting intermediate frequency input port (J3) connected with the X frequency band receiving and transmitting links, an X frequency band receiving intermediate frequency output port (J4), an X frequency band receiving radio frequency input port (J8), an X frequency band transmitting radio frequency output port (J7) and an interface (J9) for realizing connection of a low-frequency connector and an interference technology unit. The high-isolation transceiving simultaneous frequency conversion assembly can solve the problem of high-isolation transceiving simultaneity and achieve the goal of miniaturization.

The embodiment of the invention provides an AR module, AR display equipment and an AR display system. The AR module comprises a screen, the screen is vertically arranged, the size of the screen in the vertical direction is larger than the size of the screen in the horizontal direction, and the screen is used for receiving an image matched with the screen in shape; and the optical module is used for receiving the image light rays emitted by the screen and transmitting the image light rays to human eyes in a turning mode. According to the AR module provided by the embodiment of the invention, through the design of the vertically arranged screen and the optical module matched with the screen, the receiving and transmission of the vertical image source content are realized. According to the design, the AR module does not have the problem of mismatching with the screen when receiving the vertical image source.

The invention discloses an energy utilization device for residential building, and belongs to the technical field of energy utilization for residential building, the energy utilization device comprises a fixing frame and rainfall sensors mounted at two ends of the top of the fixing frame, a photovoltaic panel is mounted on one side of the fixing frame, and a water collection tank is arranged at the bottom end of the fixing frame; when sunshine irradiates, light energy is absorbed to the maximum extent by adjusting the angle of the photovoltaic panel, and the light energy is converted into electric energy to be stored or utilized. When it rains, the rainfall sensors located at the two ends of the top of the fixing frame can receive signals and adjust the angle of the photovoltaic panel, more rainwater is introduced into the water collection tank located at the bottom end of the fixing frame, and rainwater collection is achieved.

The embodiment of the present application provides a transmission method and apparatus for MBS services, a network device, and a terminal device. The method includes: the network device uses a first protocol stack to send the MBS service in a multicast manner, and uses a second protocol stack to send the MBS service in a unicast manner.

The invention belongs to the technical field of short-wave communication, and discloses a short-wave channel multi-channel receiving system and a data processing method thereof.The system comprises a radio frequency receiving module and a digital channel module, the short-wave multi-channel receiving and multi-channel synchronous rapid capturing technology is adopted, multiple channels can be monitored and captured at the same time, blind signal receiving in a short-wave frequency band is achieved, and the signal receiving speed is high. And a three-path short message receiving service can be realized in a fixed-frequency receiving mode. The use efficiency and flexibility of the short-wave spectrum are improved, and the short-wave communication quality is greatly improved. The use efficiency and flexibility of the short-wave spectrum are improved, and huge performance improvement potential is provided for a short-wave communication system. Compared with a traditional short-wave system in a single-channel working mode, the short-wave system can continuously listen to the whole working frequency band at the same time, multi-channel receiving is achieved, the quality and efficiency of short-wave communication are greatly improved, and the short-wave system has wide application prospects in the fields of military affairs, emergency communication and the like.

A kind of packaging box paper die cutting material receiving device, including feeding mechanism, material receiving mechanism, the material receiving frame of material receiving mechanism is equipped with swing plate mechanism, swing plate seat of swing plate mechanism is rotatably connected with swing plate, after optical fiber sensor on material receiving mechanism senses packaging box paper, automatically disconnects electromagnet, swing plate of swing plate mechanism opens, packaging box paper on swing plate falls into material receiving frame, and the placement of packaging box paper is completed, swing plate of swing plate mechanism is restored to horizontal state by torque effect, for the material receiving of next packaging box paper.This utility model can be connected behind the discharge port of die cutting machine, packaging box paper can be automatically received into material receiving frame by material receiving device, so as to facilitate worker packaging of packaging box paper, and save labor.

The invention discloses a multi-material quantitative mixing device which comprises a conveying mechanism, and a plurality of receiving hoppers are uniformly arranged on a conveying belt of the conveying mechanism; the discharging groove is fixed to one side of the conveying mechanism. The plurality of feeding mechanisms are uniformly arranged above the conveying mechanism; the feeding mechanism comprises a mounting frame, a motor is arranged on the mounting frame, a containing hopper is fixed to the power output end of the motor, the bottom of the containing hopper is connected with the motor through a rotating shaft, and a feeding hole is formed in the bottom of the containing hopper; the material pushing plate is fixed to the mounting frame through a baffle mounting frame, and the material pushing plate is arranged in a cavity of the containing hopper and used for pushing all materials contained in the containing hopper along with rotation; and an opening-closing assembly. The quantitative tube and the blocking piece serve as a traditional quantitative container and a traditional feeding hopper for material mixing, that is, two working procedures are carried out on the same structure, the transfer loss of quantified materials is avoided, and the working efficiency is remarkably improved.

The optical module comprises a circuit board and an optical transceiving component, the optical transceiving component comprises a transceiving tube body, one end, facing the circuit board, of the transceiving tube body is provided with a first notch, and the circuit board is clamped at the first notch. A receiving groove is formed in the upper surface of the receiving and transmitting tube body and comprises a first receiving groove part and a second receiving groove part, and the first receiving groove part is lower than the second receiving groove part. A transmitting groove is formed in the lower surface of the transmitting-receiving tube body and comprises a first transmitting groove part, a second transmitting groove part and a third transmitting groove part, and the heights of the second transmitting groove part, the third transmitting groove part and the first transmitting groove part are sequentially increased. According to the invention, the upper surface of the transmit-receive tube body is provided with the receiving groove, and the light receiving assembly is arranged in the receiving groove, so as to achieve the receiving of light signals. The lower surface of the transmit-receive tube body is provided with an emission groove, and the emission groove is internally provided with a light emission assembly, so as to achieve the emission of optical signals.

The invention provides an ultrasonic probe automatic switching system based on multiple sensors, and the system comprises a first monitoring module which is used for monitoring a probe in a probe cup in real time based on a first sensor, outputting a monitoring signal, reading the level change state of the monitoring signal, and judging whether the probe is taken from the probe cup or not according to the level change state; the second monitoring module is used for monitoring attitude data of the probe based on a second sensor when the probe is taken away from the probe cup; and the probe switching module is used for transmitting the attitude data to the control terminal for analysis and controlling the probe to be automatically switched according to an analysis result. According to the invention, the automatic switching of the probe is realized, the intelligent, accurate and efficient switching of the probe is effectively guaranteed, and convenience is provided for the switching of the probe, so that the use experience feeling of a user is improved.

The invention relates to a satellite short message radio frequency circuit and a frequency conversion method thereof. The satellite short message radio frequency circuit comprises a single phase-locked loop circuit, the phase-locked loop circuit is coupled with an oscillator module; the local oscillator frequency dividing circuit is coupled with the phase-locked loop circuit, and the local oscillator frequency dividing circuit divides the vco signal output by the oscillator module into a receiving local oscillator signal and sends the receiving local oscillator signal to the receiving down-conversion circuit; the local oscillator frequency dividing circuit divides the vco signal output by the oscillator module into a transmitting local oscillator signal and sends the transmitting local oscillator signal to the transmitting up-conversion circuit; the receiving down-conversion circuit carries out frequency mixing processing on the receiving local oscillator signal and the signal output by the receiving radio frequency circuit to generate a receiving radio frequency signal, and sends the receiving radio frequency signal to the receiving fundamental frequency circuit; and the emission up-conversion circuit performs frequency mixing processing on the emission local oscillator signal and the signal output by the emission fundamental frequency circuit to generate an emission radio frequency signal, and sends the emission radio frequency signal to an emission radio frequency circuit. The radio frequency circuit has the effect of reducing the area and power consumption of the phase-locked loop in the radio frequency circuit.

The utility model discloses a wall thickness measuring device, belongs to the technical field of wall thickness measurement, and solves the problems that in the long-term use process, the contact surface of a thickness measuring probe is abraded to a certain degree, the probe usually adopts acrylic resin as the surface material, the surface of the probe possibly becomes more rough as time goes on, and the thickness of the wall is influenced. And the increase of the roughness may reduce the sensitivity of the probe, so that the measurement accuracy of the probe is influenced, and the display result is deviated. Comprising an ultrasonic thickness gauge, a wire coupled with the ultrasonic thickness gauge, and a probe coupled with the wire. By adjusting the first top plate and the second top plate, the contact part of the probe is exposed when the thickness of a wall is measured, ultrasonic waves are controlled, emitted and received through the ultrasonic thickness gauge to measure the thickness, and if the end face of the contact part is abraded after long-term use, the end face of the contact part is shielded through reverse operation, so that the thickness of the wall is measured. Abrasive paper on the top plate I and the top plate II is used for polishing to maintain the service life and the measurement accuracy of the probe.

The application discloses a remotely-controllable cabinet, and belongs to the technical field of smart home. The remotely-controllable cabinet comprises a cabinet body, a first placing cavity and a second placing cavity are formed in the cabinet body, a second cabinet door is arranged at the second placing cavity, the second cabinet door is movably connected with the cabinet body, and the second cabinet door is connected with the cabinet body through an electronic lock; a circuit board is arranged in the first placing cavity, a control module and a communication module are integrated on the circuit board, the control module is electrically connected with the communication module, and the control module is electrically connected with the electronic lock. The control module is configured to receive the on-off state of the electronic lock and control the electronic lock to be opened. A user can perform information interaction with the communication module through an external communication device, acquire the on-off state of the electronic lock, and send an opening instruction of the electronic lock. The user can control the second cabinet door to be opened based on the arrival time of a courier, so that the courier can conveniently take out or place express mails in the second placing cavity.

This invention provides a management and control device and method for a service mesh cloud platform based on the Loongson architecture, comprising: a domestically produced hardware support layer processor using the Loongson architecture; a unified management and control layer for receiving user configuration instructions and converting them into standard control signals, while simultaneously collecting resource status data, policy execution status data, and operational status data, and summarizing them into network-wide operational status data; a cloud adaptation layer for converting standard control signals into interface signals; simultaneously collecting resource status data returned by external multi-vendor cloud platforms; a service mesh control plane for parsing service mesh governance policies and generating traffic governance instructions; simultaneously collecting data forwarding status and service operational status and summarizing them into policy execution status data; and a data plane for receiving and executing traffic governance instructions issued by the service mesh control plane, optimizing network forwarding processes based on the Loongson architecture. This invention can improve the efficiency of microservice governance and management, architectural adaptability, and communication security in the context of domestically developed IT applications.

The present invention discloses an intelligent variable frequency, variable wave and variable amplitude feeder control system, which is used for communication connection with an external flexible feeder to control the vibration of the flexible feeder, including: an expert action parameter module, which is used for presetting various parameters corresponding to the expert action; an action module, which is connected to the expert parameter module and also performs human-computer interaction with a person, and is used for receiving the expert action data packet packaged by the expert action parameter module for selection by a person; an operation module, which is connected to the external flexible feeder and has a status display box and a plurality of operation boxes therein, which are used for real-time display of the flexible feeder status information and control of the flexible feeder. The intelligent variable frequency, variable wave and variable amplitude feeder control system of the present invention can effectively realize the presetting of the expert action data packet through the setting of the expert action parameter module, and then realize the rapid setting of the feeder through the setting of the action module.

The utility model provides a kind of double mechanical arm automatic galvanization device, belong to guardrail plate processing technical field, including receiving and positioning mechanism, it is arranged in one side of zinc pot, receiving and positioning mechanism is used to receive the guardrail plate that is discharged from feeding mechanism, and guardrail plate is positioned;Material rack, material rack is set in zinc pot, for fixing guardrail plate, material rack is provided with several material grooves for accommodating guardrail plate, and material rack is equipped with at least two;The utility model is by being provided with receiving and positioning mechanism, with very low cost, the receiving and positioning problem of guardrail plate is realized, subsequent gripping mechanism is convenient for gripping;Two groups of gripping mechanism alternate operation, and work efficiency is greatly improved;Buffer mechanism makes guardrail plate can be stable and flat, avoid direct impact discharging roller.

The invention provides a spectral analysis device, method and equipment and a portable ultraviolet-visible spectrograph, the device is applied to the portable ultraviolet-visible spectrograph, and the device comprises a spectral data input interface, a spectral signal processor, a neural network accelerator, a microprocessor unit, a memory and an output module. The spectral data input interface generates digital spectral data based on the received original spectral signal; the spectral signal processor performs de-noising processing on the digital spectral data to generate a processed spectral vector; the neural network accelerator performs feature extraction and dimension reduction on the processed spectrum vector by using a target auto-encoder model to generate a multi-dimensional target feature vector; the microprocessor unit clusters the multi-dimensional target feature vectors and determines at least one target cluster and a cluster center feature vector of the target cluster; and matching the cluster center feature vector of the target cluster with a sample knowledge base in a memory, determining a target attribute of the to-be-detected target, and outputting the target attribute of the to-be-detected target by using an output module.