95 results about "Analog signal processing" patented technology

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 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.

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 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 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 invention discloses monitoring linkage control high-precision resistance spot welding equipment, and relates to the technical field of resistance spot welding, and the equipment comprises a main control circuit board which takes a TDA4VM chip as a control core and comprises an integrated power supply module, an IGBT driving module, an ADC analog signal processing unit, a communication interface and a digital I / O isolation driving module, all the modules and units are in electric signal connection with the main control circuit board; the TDA4VM chip controls an inverter direct-current welding power source of the spot welder through the IGBT driving module, receives signals of a sensor system through the ADC analog signal processing unit, interacts with the visual monitoring unit and external equipment through a communication interface, and achieves safety control and actuating mechanism driving through digital I / O isolation driving. Multi-signal real-time monitoring, process parameter intelligent optimization and post-welding quality prediction in the welding process are achieved, and the method is particularly suitable for precise welding of tiny parts such as aviation relay reeds.

The invention discloses a power pc chip-based fuel cell controller, which is used for controlling the running state of a fuel cell and comprises a main controller, a hydrogen supply system, an air supply system, a humidification system, a cooling system and a hydrogen circulation system, the main controller comprises a main control chip, a pulse signal processing module, an analog signal processing module, a switching signal processing module and a DAC module. The pulse signal processing module is used for collecting the rotating speed of a fan, and the analog signal processing module is used for collecting data in a fuel cell and transmitting collected analog signals to the main control chip; the main control chip converts the received analog signal into a digital signal through an internal A / D module, analyzes and processes the digital signal, and outputs a control signal through an I / O port of the main control chip to control the state of the electromagnetic valve group; and the fan and the humidifying system are controlled through the DAC module.

The invention belongs to the technical field of radiation detection, and provides a double-GM counting tube and scintillator crystal detector intelligent switching radiation detection system and method, electronic equipment and a storage medium, the system comprises a power supply generation module, an analog signal processing module, a digital signal acquisition module and a digital signal control selection module which are connected in sequence; the digital signal control selection module comprises a control chip, and a scintillation transistor on-off control circuit, a low-range GM tube on-off control circuit and a high-range GM tube on-off control circuit which are respectively connected with the control chip; through the control chip, the scintillation transistor on-off control circuit, the low-range GM tube on-off control circuit and the high-range GM tube on-off control circuit, the most suitable detector is automatically selected according to the real-time radiation intensity, the stability and high efficiency of the system in different radiation intensity environments are ensured, and the monitoring accuracy and real-time performance are improved.

The invention discloses an automatic device of a rapid gas marker detection array. The system comprises a detection array integrated with eight gas sensor modules and used for synchronously detecting eight gas markers in a sample gas mass in real time; the data acquisition unit is used for acquiring analog signals output by the sensor detection array; and the processing display unit is used for receiving the analog signals output by the detection array, storing the analog signals to a local database, performing feature recognition and analysis on the data through a machine learning model, generating effective data and displaying the effective data on a user interaction interface. According to the invention, a detection array covering eight important gas biomarkers is constructed, and an automatic gas inlet, data acquisition and storage processing module matched with detection is created, so that rapid, synchronous and automatic detection of the relative concentration level of the gas marker array in a sample gas mass can be realized.

The analog signal processing system of the photoetching machine comprises a transconductance circuit used for receiving a current signal output by a current type sensor and converting the current signal into a voltage signal; the differential circuit is used for receiving the voltage signal and a reference power supply voltage output by a reference power supply circuit and carrying out differential operation to output a differential voltage; an analog multiplier circuit for multiplying the differential voltage by an output gain to obtain an analog multiplication output signal whose frequency spectrum is transferred to a predetermined carrier frequency; the band-pass filter is used for filtering low-frequency noise in the analog multiplication output signal to obtain a first filtering signal; and the digital multiplier circuit is used for multiplying the first filtering signal by a digital reference signal with the same frequency and phase as the output gain to obtain a digital multiplication output signal. In this way, the signal can be transferred to the predetermined carrier frequency to realize physical noise isolation, and noise energy is suppressed through modulation-multiplication-demodulation.

The invention provides a multi-purpose electrical practical training method and device based on a PLC, and the method comprises the steps: constructing a hardware architecture integrated with multi-specification PLCs, and selecting different types of PLCs to adapt to diversified practical training demands from simple control to complex system protection; a digital quantity signal processing module and an analog quantity signal processing module are configured to realize bidirectional interaction of digital switch signals and analog operation parameters, and a signal interaction network of a real industrial scene is constructed; a man-machine interaction interface is designed, two functional modules of system simulation and a practical training platform are integrated through a touch screen panel, and parameter setting, state display and control logic simulation operation are supported; a modular software architecture is established, generator-transformer group protection, line protection, bus protection and control system simulation sub-modules are deployed in a unified manner, and a standardized hardware interface and a software expansion space are reserved to support function iteration.

The invention discloses an intelligent automobile and motorcycle follow-up steering rearview mirror which is characterized in that a linkage contact shifting fork of a steering analog signal sensor is flexibly connected with a steering gear box rocker arm through an adjustable push rod and a steering position transmission spherical hinge mechanism of a ball head, and the steering analog signal sensor and a steering gear box are jointly mounted on a frame through a fixed bracket; a wiring terminal of the steering analog signal sensor is respectively connected with a corresponding terminal of the analog signal function processing control unit, a power supply wiring terminal of the analog signal processing control unit is connected with a power supply output end of the rearview mirror manual adjustment control switch, and after position signals of the sensor are subjected to analog analysis and amplification processing, the position signals of the steering analog signal sensor are transmitted to the power supply output end of the rearview mirror manual adjustment control switch. Real-time synchronous power supply instructions are sent to servo motors of the rearview mirrors on the left side and the right side, so that the rearview mirrors on the two sides synchronously adjust the rear view angles left and right along with the steering angle of the vehicle, the rearview blind area during turning of the vehicle is eliminated, work is stable and reliable, intelligent automatic tracking adjustment can be achieved, driving safety is effectively promoted, the application range is wide, and the cost performance is high.

The application provides an injection-production simultaneous measurement universal acquisition circuit, and belongs to the technical field of oil well development. The circuit comprises: an analog signal processing board and a control acquisition board; the analog signal processing board comprises: a temperature signal processing module, which is used for converting a temperature signal in a well into an analog voltage signal; a pressure signal processing module, which is used for converting a pressure signal in the well into a first analog differential signal; and a pressure difference signal processing module, which is used for converting a pressure difference signal in the well into a second analog differential signal; the control acquisition board comprises: a main control module; a multi-channel pulse acquisition module, which is used for detecting pulse signals of different layers in the well; and a UART interface module, which is used for receiving a command issued by a communication board and sending at least one of data of a water nozzle driving assembly, data of an electric conductivity water holding flow assembly and data of an ultrasonic flow assembly to the communication board. The application is used to solve the problems of insufficient completeness of downhole detection parameters and incompatibility of injection and production well dynamic monitoring.

The present application relates to a laser parameter measurement circuit and method, and a laser. The laser parameter measurement circuit comprises a first measurement module and a micro-control unit. The first measurement module comprises: a first photoelectric sensor, which is used for generating a leakage current when being irradiated by a laser pulse; a first analog signal processing circuit, which is connected to the first photoelectric sensor, and is configured to convert the leakage current into a corresponding first voltage signal; and a first pulse generation circuit, which is connected to the first analog signal processing circuit, and is configured to convert the first voltage signal into a corresponding first square-wave pulse signal. The micro-control unit is connected to the first analog signal processing circuit and the first pulse generation circuit, and is configured to enable the first analog signal processing circuit, and calculate laser parameters of the laser pulse on the basis of the first voltage signal and the first square-wave pulse signal. Using the circuit can improve the real-time performance of laser measurement, thus improving the light-emitting stability of lasers.

The invention discloses a chip architecture, a chip and a system integrating ultrasonic wave and elastic wave detection, and the chip architecture comprises a communication interface, a CPU system, a transformer driving module and an analog signal processing module. The transformer driving module and the analog signal processing module are electrically connected with the transduction unit; the communication interface is used for receiving a starting command and outputting a detection result; the CPU system is used for generating a transformer driving instruction and an elastic wave receiving instruction, and analyzing and processing the digital signal to generate an ultrasonic detection result and an elastic wave detection result; the analog signal processing module performs first processing on the reflected wave signal to obtain a first digital signal, and performs second processing on the elastic wave signal to obtain a second digital signal. Ultrasonic waves and elastic waves can be received at the same time, so that ultrasonic distance detection and elastic wave collision detection are completed in the same chip, the integration level is high, and the detection cost is low.

The invention belongs to the field of optical fiber communication, and discloses a dispersion simulation transmission link based on analog signal processing and a dispersion simulation method, and the dispersion simulation transmission link comprises a coherent transmitter, an IQ modulator, lasers with different wavelengths, a coherent receiving chip (ICR), a Bragg dispersion compensation grating (FBG-DCM) and a coherent receiver. Data is sent out from a coherent transmitter, firstly passes through an ICR, a light field is converted into an electric field, and the electric field is modulated into a new light field by an IQ modulator. Two paths can be selected at the output end of the ICR, the first path is connected to the IQ modulator and is subjected to secondary emission by utilizing intrinsic light with different wavelengths, the wavelength can be converted to an FBG-DCM compensation window, and after the steps, the ICR is used for receiving and then is converted to the original wavelength by utilizing the IQ modulator to be sent, so that the superposition of negative dispersion is realized; and the second path is connected to the IQ modulator, secondary emission is carried out by utilizing intrinsic light with different wavelengths, phase conjugation is realized, meanwhile, conversion to an FBG-DCM compensation window is realized, and superposition of positive dispersion is realized through the above steps after ICR receiving.