152 results about "Analog signal processing" patented technology

The invention provides a digital-analog hybrid simulation method and simulator based on a QEMU, a SystemC and a SystemC-AMS. The digital-analog hybrid simulation method comprises the following steps: adding an external memory access interface and a time sequence synchronization interface in the QEMU; the method comprises the following steps: constructing a virtual CPU (Central Processing Unit) device in a SystemC; a register interface function and a logic signal function are realized by adopting a systemc model in the equipment, and a port analog signal function is realized by adopting a systemc-am model; the starting parameters are analyzed in the main program, and the simulation component is loaded; executing a virtual target machine instruction in the instruction core environment; switching to a systemc running environment, changing the value of an on-chip device register, and updating the logic function state and the port state of the device; and exiting from the systemc operation environment, and entering the operation environment of the instruction core again. The technical advantages of the QEMU, the SystemC and the SystemC-AMS are combined, a QEMU instruction set is reused, meanwhile, the hardware description language characteristics of the SystemC and the analog signal processing capacity of a simulation scheduler and the SystemC-AMS are utilized, digital-analog hybrid simulation is achieved, and the verification efficiency and accuracy of SoC design are improved.

The invention provides an optical transmission system compatible with ROF and PON, which comprises an optical line terminal, an analog signal processing unit, an optical distribution network unit and a plurality of user terminals, and is characterized in that the optical line terminal is connected with the optical distribution network unit and is used for sending digital signals to the optical distribution network unit; the analog signal processing unit is connected with the optical distribution network unit and is used for receiving and processing the analog input signal and sending the processed analog signal to the optical distribution network unit; the optical distribution network unit is used for receiving and mixing the digital signal and the analog signal to obtain a mixed signal; before the mixed signals are transmitted to the user terminals, the digital signals and the analog signals are split according to a plurality of preset user channels and then transmitted to each user terminal. The system is simple in architecture, engineering construction and engineering maintenance are convenient, and the wireless coverage system can be rapidly deployed by using the existing optical fiber network at present.

The invention provides a switch cabinet partial discharge detection device and method based on pulse current and ultrahigh frequency, and belongs to the field of switch cabinet partial discharge detection. The detection device comprises an acquisition unit, an analog signal processing unit and a digital signal processing unit. The digital signal processing unit comprises a demodulation module, a digital filter, a signal mixing module and a partial discharge identification module. The acquisition unit acquires an ultrahigh frequency signal and a pulse current signal; the analog signal processing unit processes the ultrahigh frequency signal and then transmits the ultrahigh frequency signal to the demodulation module, and processes the pulse current signal and then transmits the pulse current signal to the digital filter; the demodulation module is used for performing orthogonal down-conversion on a signal and then transmitting the signal to the signal mixing module; the digital filter is used for performing passband filtering on the received signal and then transmitting the signal to the signal mixing module; the mixing module is used for fusing the two paths of signals and then transmitting the signals to the partial discharge identification module; and the partial discharge identification module is used for carrying out partial discharge identification according to the received data. According to the invention, the early partial discharge phenomenon can be detected on line.

The invention relates to the technical field of laser control, in particular to a laser compatible control system based on an STM32 microcontroller platform, which comprises a core control unit, a digital signal processing module, an analog signal processing module and a heat dissipation management module. The core control unit adopts an STM32 series microcontroller and interacts with all the modules through an SPI bus, the digital signal processing module adopts a shift register cascade architecture, the analog signal processing module shares the SPI bus through a plurality of digital-to-analog conversion chips, and the heat dissipation management module achieves temperature collection, fan driving and rotating speed feedback. The system supports RS232, RS485 and differential signal communication, and is adapted to various lasers. According to the invention, IO resource occupation can be reduced, data transmission efficiency and response speed can be improved, accurate temperature control and intelligent speed regulation can be realized, system compatibility can be enhanced, and complex industrial scene requirements of multi-wavelength microscopic imaging and the like can be satisfied.

The invention discloses an analog signal pulse encoding device based on event driving and an analog signal processing method, and the device comprises a signal conditioning module which comprises at least one conditioning unit, and the conditioning unit is used for receiving an analog signal, carrying out the front-end analog conditioning of the signal, and outputting an analog conditioning signal; the threshold comparison module is connected with the signal conditioning module and is used for carrying out threshold detection on the analog conditioning signal according to a set threshold and then outputting a threshold comparison signal; the event triggering module is connected with the threshold comparison module and is used for triggering a pulse event signal corresponding to the analog conditioning signal according to the threshold comparison signal; and the pulse coding module is connected with the event triggering module and is used for converting the pulse event signal into a pulse coding signal by adopting a pulse coding mode. According to the invention, by introducing the threshold comparison module and the event trigger module at the front end of the device, invalid sampling can be effectively avoided, a large amount of redundant data can be reduced, and power consumption, communication and storage pressure and burden can be reduced.

The present disclosure relates to the technical field of integrated circuits, and in particular to an analog signal processing circuit and method for a high-precision ADC, a chip and a device. The circuit comprises: a main amplifier module, a main ADC module, an auxiliary amplifier module, an auxiliary ADC module and a first switch; the auxiliary ADC module is configured to convert a conditioned analog signal to be converted and output a converted first digital code by means of a digital output end; and the main ADC module is configured to establish the input voltage of the main ADC module to a target precision on the basis of said conditioned analog signal and the first digital code so as to sample the analog signal. According to the circuit, when the input voltage of the main ADC module changes greatly, the power consumption and the area overhead of the analog signal processing circuit are saved due to the power consumption and the area overhead of an auxiliary ADC and an auxiliary amplifier being very small while the main amplifier module is protected against rapid charging interference.

The invention discloses a high-precision analog signal processing circuit based on multi-stage operational amplification, which comprises a signal input conditioning module, a main amplification channel and a feedback regulation channel, and the core is to realize signal amplification, filtering and closed-loop control by using an operational amplifier. Precise processing and stable output of complex signals are achieved through differential input, multi-stage amplification, filtering shaping and closed-loop feedback. Signal precision, anti-interference performance and adaptability are effectively improved, and the method is suitable for constant current source feedback, precise instrument and industrial sensing signal processing and power equipment performance upgrading.

The invention provides a device and a method for monitoring and diagnosing the rotating speed state of an aero-engine. The device comprises an input protection and preprocessing unit, a signal isolation and conditioning unit and a data processing unit which are connected in sequence, the input protection and preprocessing unit receives a rotating speed signal output by a sensor, preprocesses the rotating speed signal and divides the signal into two paths; the signal isolation and conditioning unit adopts a square wave processing channel to shape the preprocessed first path of rotating speed signals into square waves, adopts an analog signal processing channel to convert the other path of rotating speed signals into digital signals, and then outputs the digital signals in an isolated manner; and the data processing unit calculates the rotating speed according to the square wave signal, performs amplitude analysis according to the digital signal, and diagnoses the state of the rotating speed sensor according to a preset truth table by synthesizing the rotating speed and the amplitude. Based on the device, the invention further provides an aero-engine rotating speed state monitoring and diagnosing method. According to the invention, on the basis of diagnosis logic of dual-channel cross validation, sensor disconnection, signal attenuation and channel hardware faults are effectively distinguished.

A monitoring system for detecting deep venous thrombosis, relating to the technical field of medical instruments. The monitoring system comprises a signal acquisition module and an ultrasonic hardware system. The signal acquisition module performs ultrasonic transceiving between a plurality of ultrasonic probes and a detected object to acquire ultrasonic detection data of the detected object, converts the ultrasonic detection data to analog signals by means of 128 channels in the ultrasonic probe, and transmits the analog signals to the ultrasonic hardware system. The ultrasonic hardware system comprises a multiplexer module, an analog signal processing module, a beamforming module, and an upper computer module. The monitoring system facilitates medical staff in monitoring the deep venous thrombosis of a patient. By arranging the plurality of ultrasonic probes, the monitoring system can monitor veins at different positions of the patient, thereby avoiding tedious operations during detection, and enabling the real-time detection of thrombosis of multiple lower limb veins of the patient.

The invention discloses a transient voltage and current rapid protection method, system and device and a medium, and belongs to the technical field of power distribution network transient voltage and current protection, and the method comprises the steps: obtaining an analog signal through a sensing module, and carrying out the analog signal processing through a main control module; the main control module carries out filtering elimination on the digital signal after digital conversion by using an FPGA (Field Programmable Gate Array); and the main control module executes range adjustment, fault detection and protection control based on the filtered data, drives the parallel protection module to protect the element and records the system state. According to the transient voltage and current rapid protection method, the sensing module acquires signals, the master control module performs isolation conditioning and digital conversion, the FPGA performs parallel real-time filtering to eliminate interference, the self-adaptive range and multi-parameter fault accurate criterion is adopted, and an optical coupler isolation driving protection element is adopted. Microsecond-level high-speed response and high-reliability protection are achieved, fault expansion is effectively prevented, and equipment safety is guaranteed.

The invention discloses a simulation test method for evaluating the range finding performance of a laser range finder, and the method comprises the following steps: a to-be-tested laser range finder is fixed on a fixing jig provided with simulation receiving and transmitting installation positions, and the two installation positions are respectively corresponding to a receiving probe and a transmitting probe; a calibration unit with a first reference mark of a first lighting assembly calibrates a receiving light path by simulating the relative position of a receiving mounting position, and the focusing of a receiving end is finely adjusted; a calibration unit with a second reference mark of a second lighting assembly is used for calibrating an emission light path by simulating the relative position of an emission installation position, and the beam expanding multiplying power of an emission end is set; and selecting an analog signal processing link according to the to-be-simulated target distance. The method comprises the following steps: fixing equipment, calibrating an optical path, selecting an analog signal processing link, attenuating a simulation ranging optical signal, coupling noise light and the like, finally finishing simulation ranging and recording an analysis result, and comprehensively and truly simulating the actual working condition of the laser range finder.

The invention relates to the technical field of medical nebulizers, in particular to a chip special for a medical nebulizer and an atomization control method and device.The chip comprises a reconfigurable high-performance microprocessor kernel, an execution atomization control algorithm, a high-precision analog signal processing module, a real-time monitoring and adjusting pressure, temperature, humidity and medicine liquid level signals in an atomization cavity and a control module. The special chip for the medical nebulizer comprises a sensor fusion interface, a compatible piezoelectric, ultrasonic, temperature and humidity and optical particle sensor, a biological feature recognition unit, a low-power-consumption wireless communication module, a BLE5.0 and NB-IoT dual-mode transmission supporting and dynamic voltage frequency regulation power supply management unit, and the special chip for the medical nebulizer and the nebulization control method and device. By means of the high-performance microprocessor and the high-precision analog signal processing module, real-time monitoring of pressure, temperature and humidity in the cavity is more accurate, dynamic adjustment of the atomization rate and the particle size is more reliable, the efficiency of converting medicine into effective aerial fog is remarkably improved, and full utilization of treatment substances is ensured.

The invention discloses a converter transformer partial discharge monitoring and positioning system based on a quaternary antenna array, and the system comprises a control host which is connected with a plurality of data collection units through a calculation processing unit, and is also connected with an upper computer through a wireless communication module. Each data acquisition unit is connected with the corresponding broadband antenna through the respective analog signal processing unit; each analog signal processing unit is used for denoising the electromagnetic wave signal received by the respective broadband antenna; each data acquisition unit is used for performing analog-to-digital conversion on the electromagnetic wave signal processed by the respective analog signal processing unit; the calculation processing unit is used for performing data analysis on the converted electromagnetic wave signal to obtain index data required by monitoring; and the control host is used for receiving a monitoring task instruction of the upper computer, running a monitoring control software program, controlling the analog signal processing unit and the data acquisition unit to execute tasks, controlling the calculation processing unit to perform data analysis, and storing an analysis result to the solid state disk or transmitting the analysis result to the upper computer in real time, or calling historical partial discharge data from the solid state disk.

The invention relates to the technical field of unmanned aerial vehicle control, and discloses a full-band unmanned aerial vehicle identification control system and method based on deep learning. Comprising a signal processing module for processing and converting an original analog signal into a digital signal; the time-frequency graph construction module is used for splicing the time-frequency sub-graphs into a time-frequency graph in sequence; the deep learning module identifies the unmanned aerial vehicle as a local unmanned aerial vehicle or an out-of-domain unmanned aerial vehicle; the first instruction making module is used for making a continuous flight instruction or a flight adjustment instruction; the second instruction making module is used for making a sensitive driving instruction or an electromagnetic shielding instruction; according to the method, an extraction system capable of autonomously and hierarchically identifying the highly complex features of the unmanned aerial vehicle can be constructed, the real-time position monitoring and dynamic control effects of different types of unmanned aerial vehicles in a target control airspace can be met, and targeted signal intervention or forced control is performed on the dynamic flight conditions of the local unmanned aerial vehicle and the out-of-domain unmanned aerial vehicle; and the negative influence of the unmanned aerial vehicle on the target control airspace is reduced.

The invention discloses an analog quantity signal intelligent preprocessor which is formed by detachably connecting a cable fixer integrated with a magnetic ring, a magnetic ring amplification module and a magnetic ring tail fixer, a plurality of fiber core holes and butt joint fixing holes are correspondingly formed in the two ends of the magnetic ring, a butt joint fixing pin is arranged on the cable fixer, and the butt joint fixing pin is connected with the cable fixer. The cable fixing device and the magnetic ring amplification module are made of amorphous magnetic ring materials which can be formed at a time, an analog quantity signal processing module is arranged in the tail end of the magnetic ring tail fixing device, the magnetic ring tail fixing device is made of neodymium iron boron magnetic ring materials, and the analog quantity signal processing module leads out a processed signal output terminal strip. The conduction sensitivity performance of the cable can be improved by selecting the number of wire cores penetrating through the magnetic ring, and different self-correction function modules for sensor analog quantity signals (temperature, pressure, current and the like) based on a neural network algorithm can be installed according to requirements.

The invention discloses a pointing stick analog signal sampling circuit and method, and the method comprises the steps: connecting a strain gauge signal resistor bridge to one end of a sampling capacitor, connecting a variable voltage unit to the other end of the capacitor, transmitting a signal to the capacitor in a charging manner after a preset time, disconnecting the strain gauge signal resistor bridge, and carrying out the sampling of a pointing stick analog signal. And then analog-to-digital conversion is further carried out on the signal on the sampling capacitor. In the most critical analog-to-digital conversion step of analog signal processing, the sensor is completely disconnected with the circuit, so that the interference of external interference sources such as a mobile phone and the like on the circuit through the sensor during analog-to-digital conversion is reduced. Besides, when the signal is transmitted to the sampling capacitor for conversion, the voltage of the specified variable voltage source can correct the resistance matching problem of the sensor in the strain gauge resistance bridge in a large range, so that the strain sensor can still work when the resistance value of the strain sensor exceeds 20% of the preset value.

The invention discloses a non-contact real-time current monitoring device, which comprises a magnetic field induction sub-device and an analog signal processing sub-device, and is characterized in that the signal output end of the magnetic field induction sub-device is electrically connected with the signal input end of the analog signal processing sub-device; the analog signal processing sub-device comprises an impedance matching sub-module, a passive RC pre-compensation sub-module and an active integration sub-module which are cascaded in sequence; the impedance matching sub-module comprises an input matching resistor and an output matching resistor; the passive RC pre-compensation sub-module comprises a resistor and a capacitor, the resistor and the capacitor form an RC loop, and the passive RC pre-compensation sub-module is cascaded between the impedance matching sub-module and the active integration sub-module; the active integration sub-module comprises an operational amplifier, an input resistor, an integration capacitor and a feedback resistor. The device provided by the invention can directly output an analog voltage signal which is homologous with a measured current waveform through an exquisite collaborative design.

The invention relates to a hydrogen leakage dynamic monitoring and early warning method and system for a hydrogen production and hydrogenation all-in-one machine. The system comprises a measuring unit, a synchronous data acquisition module, an analog signal processing module, a central processing module, an alarm control module and a power supply module, the measuring unit comprises a hydrogen sensor, a temperature sensor, a pressure sensor, a flow sensor, an oxygen concentration sensor and a humidity sensor; the synchronous data acquisition module is connected with the measurement unit and is used for receiving original data of each sensor in real time and synchronously transmitting the original data; the central processing module is connected with the analog signal processing module, is internally provided with component transport equation analysis logic and is used for multi-parameter data fusion analysis and hydrogen escape risk identification; the alarm control module is connected with the central processing module and is used for triggering diversified early warning responses; and the power supply module adopts a 24V power supply, is internally provided with a power supply conversion sub-module and is used for providing stable power supply for each module.

The utility model discloses a high-side switch driving control circuit, a battery management system and a control circuit thereof, which comprises a control chip, an analog signal processing chip and a driving control module, and is characterized in that a first control end of the control chip is electrically connected with an input end of the analog signal processing chip; a second control end of the control chip is electrically connected with a first input end of the driving control module, an output end of the analog signal processing chip is electrically connected with a second input end of the driving control module, and an output end of the driving control module is electrically connected with a control end of a high-side driving switch of the battery charging loop; the driving control module is used for jointly controlling the on-off of a high-side driving switch of a battery charging loop by the control chip and the analog signal processing chip according to a first driving signal sent by the control chip and a second driving signal sent by the analog signal processing chip; the on-off of the high-side driving switch can be controlled after the control chip completes self-inspection, the battery cell is protected, and the service life of the battery is prolonged.

Various examples are provided related to adaptive oscillator physical reservoir computers. In one example, a physical reservoir computer (PRC) comprises an adaptive oscillator (AO) including a dynamic plastic state adaptable to a corresponding input function. The PRC can utilize the dynamic plastic state to perform reconfigurable tasks. The AO can include multiple dynamic plastic states each adaptable to a corresponding input function. For example, the dynamic plastic state can correspond to a frequency state, an amplitude state, or a phase state of an input. The AO-based PRC can operate without time or spatial multiplexing. Thus, the AO PRC can function as an analog signal processor of the external signal, compute reprogrammable machine learning tasks, or function as a morphable logic gate.

An optical transceiver (101) of an optical relay apparatus includes: a coherent reception front-end unit (110) that coherently detects an input optical signal to be input, based on local oscillation light, and outputs the coherently detected first analog electric signal; a coherent transmission front-end unit (120) that coherently modulates a second analog electric signal acquired by turning around the first analog electric signal, based on transmission light, and outputs the coherently modulated output optical signal; and an analog compensation unit (130) that performs analog signal processing on the first analog electric signal in such a way as to compensate for signal quality according to a signal characteristic between an input of the coherent reception front-end unit (110) and an output of the coherent transmission front-end unit (120), and thereby generates the second analog electric signal.

The invention belongs to the technical field of modern electronics, and relates to a multichannel data acquisition and storage method and system based on an FPGA (Field Programmable Gate Array), which comprises an upper computer control unit, an FPGA data processing unit and an ADC (Analog to Digital Converter) data acquisition unit. The system has eight-channel high-efficiency high-precision sampling, uploading and storage capabilities, and solves the problems that multi-channel acquisition is easy to be interfered and low in precision and efficiency through an efficient analog signal processing and digital conversion circuit; an accurate and efficient data storage scheme is adopted, so that the storage efficiency and accuracy of effective data are improved; and a user-defined data frame is designed to realize command issuing and data uploading of the upper computer, so that the control and transmission efficiency is improved. According to the scheme, the signal quality and the system reliability are remarkably enhanced, and the method is suitable for real-time signal monitoring, data analysis and storage and the like.

The invention relates to the technical field of vehicle-mounted signal testing, in particular to analog signal processing equipment and a testing system. The device comprises a carrier plate, a gain module, an impedance matching module and a reference ground switching module, and the impedance matching module is connected to the positive input end and the negative input end of the gain module; the impedance matching module is used for switching the differential positive signal and the differential negative signal to a target input path with the same impedance in response to the control signal and inputting the differential positive signal and the differential negative signal to the gain module; the gain module is used for gaining the input differential positive signal and the differential negative signal and then outputting the gained signal; the reference ground switching module is connected to the gain module and the impedance matching module; the reference ground switching module is used for carrying out connection switching between the in-board reference ground and the datum reference ground; the reference ground in the board is the reference ground of the analog signal carrier board; the gain module, the impedance matching module and the reference ground switching module are connected on the carrier plate. By adopting the scheme of the invention, the error of the processed analog signal can be reduced.

The application discloses an internet of things array receiver of a power transient electromagnetic instrument, and the receiver structure is a two-section design of a host computer and a receiving coil, and the host computer adopts a modular circuit board laminated design. The receiving coil comprises a connecting head connected through a connecting line and a coil receiving antenna printed on a circuit board. The host computer comprises a quick socket, a power circuit, an analog signal processing circuit, a digital control circuit, a switch and an aviation socket which are packaged in a shell. The connecting head is connected with the quick socket. The application can be used in combination with the transient electromagnetic instrument on the market, and rich interface transmission data are reserved. The receiver solves the problems of limited application scene and complicated data acquisition of the transient electromagnetic instrument on the market. In traditional application, the operation flexibility and efficiency can be improved, in multi-channel array application, the human error transmission rate can be greatly reduced, and the data processing efficiency is improved through the construction of a network database.

The invention belongs to the field of analog signal processing, and particularly relates to a novel high-precision phase discrimination circuit, which comprises a current pump circuit, a resistance-capacitance network and a field effect transistor driving circuit, the input end of the current pump circuit is connected with the output end of the digital circuit; the current pump circuit is used for injecting or pulling out fixed current into or out of the resistance-capacitance network according to the phase difference of output signals of the digital circuit; the input end of the resistance-capacitance network is connected with the output end of the current pump circuit, and the resistance-capacitance network is used for converting the fixed current injected or pulled out by the current pump circuit into voltage and inputting the voltage into the field effect transistor driving circuit; the input end of the field-effect tube driving circuit is connected with the output end of the resistance-capacitance network, and the field-effect tube driving circuit drives the light-emitting tube according to the input voltage; according to the phase discrimination circuit, when the current is injected into and pulled out of the resistance-capacitance network, the injected or pulled-out current acts on the time difference of the resistance-capacitance network, the grid voltage of the resistance-capacitance network and the grid voltage of the field-effect tube connected with the resistance-capacitance network are changed, the phase discrimination result is output after amplification of the field-effect tube, and the phase discrimination sensitivity is high.

The utility model discloses a multi-layer PCB control board for analog signal processing, which comprises multi-layer stacked control boards, vapor chambers, heat dissipation pipes, heat dissipation fins, a fan, a motor, an air duct and a packaging cover plate, the multi-layer stacked control boards are stacked to form a composite PVB control board, the vapor chambers are arranged in the middle of the interior of each multi-layer stacked control board, and the heat dissipation fins are arranged in the middle of the interior of each multi-layer stacked control board. The outer sides of the vapor chambers extend out and are connected with side radiating pipes, radiating fins are integrally formed at the two ends of the outer side of each radiating pipe, a fan is installed in the center of the interior of each radiating pipe, a motor is installed in the center of the outer side of each radiating pipe and connected with the corresponding internal fan, and an air channel is formed in each radiating pipe. And a heat dissipation channel can be provided for the fan through the air duct, and packaging cover plates are mounted at the top and the bottom of the multi-layer stacked control panel. The control panel is reasonable in design, the control panel is highly integrated, the size of the control panel is greatly reduced, the large-area vapor chamber is matched with the radiator to rapidly dissipate heat, the temperature of the control panel is increased, and energy efficiency is improved.

The utility model relates to the technical field of petroleum drilling, and provides a drilling platform multi-sensor signal integrated transmission system. Comprising an analog signal processing module, a digital signal processing module, a microcontroller module and an RS485 conversion module, the input end of the analog signal processing module is used for being connected with the analog signal output end of a hanging load sensor and / or a force pressure sensor, and the output end of the analog signal processing module is connected with the analog signal input end of the microcontroller module. The digital signal processing module is used for being connected with the digital signal output end of a winch sensor, and the output end of the digital signal processing module is connected with the digital signal input end of the microcontroller module. The output end of the microcontroller module is connected with the input end of the RS485 conversion module, and the output end of the RS485 conversion module is used for being connected with a ground system. Various engineering parameters can be integrated and transmitted during construction of an oil drilling platform, so that the engineering construction difficulty is greatly reduced, the data acquisition process is simplified, the transmission anti-interference capability is enhanced, and the data transmission precision is improved.

This invention discloses a simulation system and method for submarine radar, primarily addressing the limitations of existing technologies in performance testing and verification during algorithm development, and the inability to simultaneously conduct testing and verification alongside practical training for submarine radar professionals on a single simulation platform. It integrates a situation generation unit, a signal simulation unit, and a display and control unit into a single software system. The situation generation unit simulates radar antenna scanning, generates simulated radar echo data, and sends this data to the signal simulation unit for signal processing. The display and control unit provides a human-machine interface for displaying radar video and controlling the interface. The signal simulation unit simulates the radar processing cabinet, performing hardware module status simulation, signal processing, and data processing functions. This invention is simple to deploy, requires no complex hardware, has low maintenance costs, and can be used to verify the effectiveness of signal processing and target tracking algorithms while simultaneously supporting operational training for radar professionals.

The utility model provides a sensor signal processing device based on a control chip. The sensor signal processing device comprises a signal processing module and a pulse signal output module, the signal processing module comprises a digital signal processing unit and an analog signal processing unit; the pulse signal output module comprises a comparator unit; the comparator unit is respectively connected with the digital signal processing unit and the analog signal processing unit; the signal processing module receives the digital signal and the analog signal and outputs a processed current signal; the pulse signal output module receives the processed current signal and outputs a pulse signal. The sensor signal processing device based on the control chip provided by the utility model has higher signal resolution and signal conversion rate and lower power supply demand, and overcomes the problems of limitation on the performance of the control chip and higher power consumption compared with an additional digital-to-analog converter based on the control chip.

The present invention provides an analog-to-digital converter, comprising: a digital-to-analog conversion module, a sampling and comparison module, and a logic control module. The digital-to-analog conversion module includes two-stage voltage division units, which are used to perform digital-to-analog conversion processing on the reference analog signal and output a target analog signal to the subsequent stage; the sampling and comparison module can process the received initial analog signal and the target analog signal into an intermediate digital signal; the logic control module performs logic processing on the intermediate digital signal to obtain a first digital signal and a second digital signal. By providing a digital-to-analog conversion module, the present application can achieve accurate digital-to-analog conversion while realizing high-precision analog-to-digital conversion, saving the layout area of the integrated circuit and improving the adaptability of the analog-to-digital converter in the aspect of the increasing integration degree of the integrated circuit.