50 results about "Pulse transmission" patented technology

The invention provides an optical signal synchronous calibration device and method of an optical computing system. The device comprises an optical probe array, an AI coprocessor, an optical path tuning engine and a low-speed electric feedback line, wherein the optical probe array is arranged on a chip; the optical probe array detects optical signals of wavelength channels corresponding to the plurality of optical calculation units and converts the optical signals into electric signals; the AI coprocessor drives a corresponding optical calculation unit to emit a detection pulse according to a pre-distributed time slot index variable, extracts a phase error from the electric signal and calculates a final calibration amount based on the phase error; the optical path tuning engine performs an optical path tuning operation based on the final calibration amount to calibrate an error of the corresponding optical calculation unit; and the low-speed electric feedback line transmits the electric signal to the AI coprocessor and transmits the detection pulse to the chip. According to the invention, through cooperation of spatial distributed detection and board-level centralized processing, real-time calibration in a dynamic environment is realized.

The invention relates to the technical field of ultra-deep geological exploration engineering, and discloses an ultra-deep horizontal hole full-hole coring and trajectory cooperative control system, which integrates a high-precision sensor and professional monitoring equipment through a geological data acquisition module to construct a multi-dimensional data monitoring system; the geological data transmission module adopts a dual backup scheme of drill rod built-in optical fiber and mud pulse transmission, is connected with the geological data acquisition module and the geological data analysis module through an industrial Ethernet, is carried with a 5G industrial module, and supports remote data access and instruction interaction of each functional module; the geological data analysis module comprises a processing unit and an analysis unit, the processing unit preprocesses the acquired data, and the analysis unit extracts the preprocessed data to calculate a trajectory deviation value and a rock core recovery rate; and the decision feedback module sends out feedback processing according to the calculation results of the trajectory deviation value and the core recovery rate. The system solves the problem of insufficient accuracy of traditional track evaluation.

The present disclosure describes ultrasound systems and methods configured to interrogate the stiffness and / or elasticity of a target tissue through shear wave imaging. The systems can be configured to transmit multiple push pulses at different focal depths in the target tissue in a strobe-like fashion. The rapidly transmitted push pulses can generate constructive interference to form shear waves of a composite shear wave. An example system can include a beamformer configured to transmit parameters of a push pulse to a transducer array while receiving new parameters of a push pulse from a controller. The dual transmission and reception of parameters of different push pulses reconfigures the beamformer without interrupting push pulse transmission, thereby minimizing the delay between successive push pulses. The push pulses transmitted according to the disclosed methods can generate a composite shear wave configured to interrogate the tissue with enhanced sensitivity over a wide range of depths.

This invention discloses an intelligent psychological guidance system for harmonizing the Qi of the internal organs based on TCM emotional differentiation, belonging to the field of medical electronic equipment. The system includes a multi-node physiological signal acquisition module, a central control and data processing module, and an acoustic intervention output module. The system synchronously acquires multi-channel bioimpedance, volumetric pulse wave, and electrocardiogram signals, extracts pulse wave conduction time and local blood perfusion index, constructs Qi characteristic parameters, and maps them to generate emotional tags. The central control module locks the target resonance unlocking frequency according to the tags, modulates low-frequency vibrations with reference audio to synthesize a multimodal signal, and further combines physiological pulse transmission delay to perform phase compensation, controlling the precise output of the intervention signal during ventricular diastole. Steady-state determination and closed-loop tracking are performed based on the dynamic gradient of impedance variance. This invention achieves objective quantification of TCM differentiation and ensures high-precision physical alignment between intervention energy and the hemodynamic state of the internal organs.

The application belongs to the technical field of photon imaging detection, and particularly relates to a photon counting imaging detection system based on a mixed anode. The system comprises a vacuum sealed tube detector composed of a window coated with a photocathode, a microchannel plate stack and a mixed anode, and a signal processing circuit. The photocathode is used for converting photons incident through the window into photoelectrons. The microchannel plate stack is used for converting the photoelectrons into electron clouds. The mixed anode comprises a strip anode and a delay line anode arranged orthogonally, and the mixed anode transmits the collected charge short pulses of each channel to the signal processing circuit. The signal processing circuit calculates the two-dimensional coordinates of the photons based on the collected charge short pulses of each channel, and then transmits the two-dimensional coordinates of the photons to a terminal for imaging display. The application provides a photon counting imaging detection system based on a cross strip-delay line mixed anode, and solves the problem that the existing position sensitive anode detector cannot simultaneously have high spatial resolution and high temporal resolution.

The utility model relates to the technical field of medical equipment, and particularly discloses a bipolar nanosecond pulse synchronous output circuit and ablation equipment, which comprise a positive pulse output circuit and a negative pulse output circuit, the positive pulse output circuit comprises a positive pulse charging unit, a positive pulse output control unit, a positive pulse transmission unit and a positive pulse output electrode wire which are electrically connected in sequence; the negative pulse output circuit comprises a negative pulse charging unit, a negative pulse output control unit, a negative pulse transmission unit and a negative pulse output electrode wire which are electrically connected in sequence; the positive pulse transmission unit at least comprises a forward multiplication transmission unit which is used for performing forward voltage multiplication or forward current multiplication on the forward output pulse signal; the negative pulse transmission unit at least comprises a negative multiplication transmission unit which is used for carrying out negative voltage multiplication or negative current multiplication on the negative output pulse signal. The bipolar nanosecond pulse synchronous output circuit provided by the utility model can improve instant pulse energy of nanosecond pulse tumor ablation equipment.

The application provides an optical signal synchronous calibration device and method of an optical computing system, the device comprising: an optical probe array arranged on a chip, an AI coprocessor, an optical path tuning engine and a low-speed electrical feedback line arranged on a board card; the optical probe array detects optical signals of wavelength channels corresponding to a plurality of optical computing units and converts the optical signals into electrical signals; the AI coprocessor drives the corresponding optical computing unit to emit a detection pulse according to a pre-allocated time slot index variable, extracts a phase error from the electrical signal and calculates a final calibration quantity based on the phase error; the optical path tuning engine performs an optical path tuning operation based on the final calibration quantity to calibrate the error of the corresponding optical computing unit; and the low-speed electrical feedback line transmits the electrical signal to the AI coprocessor and transmits the detection pulse to the chip. The application realizes real-time calibration in a dynamic environment through spatial distributed detection and board-level centralized processing cooperation.

The invention discloses a constant-temperature crystal oscillator time keeping system dynamic compensation system and method, is used for solving the technical problems that an existing constant-temperature crystal oscillator compensation circuit is complex, high in cost and large in size and needs long taming time, and belongs to the technical field of time synchronization. A satellite time service module transmits a time message to a message analysis module, and a constant-temperature crystal oscillator transmits a high-stability clock signal to a clock management module; the clock management module carries out frequency multiplication on a clock signal and then transmits the clock signal to the main control module; the main control module obtains and stores the signals in a reverse compensation coefficient ROM through the difference calculation module, the main control module generates and stores the signals in a dynamic compensation coefficient ROM according to a set duration counting module, and the satellite time service module transmits the signals to the delay module; after counting of the time delay module is finished, processed signals are transmitted to the time keeping module through the set duration counting module and the division operation module, and the time keeping module calls the dynamic compensation coefficient and the reverse compensation coefficient through the compensation module for compensation to obtain the compensated DPPS.

The invention discloses a gating framing imaging dynamic gain uniformity simulation method, and relates to the technical field of ultrafast diagnosis. According to the method, an MCP microstrip cathode physical model containing a material loss angle tangent value is constructed, a gating pulse is set in electromagnetic simulation software to serve as an excitation source, and direct geometric modeling of massive micro-channel holes is equivalently replaced by adjusting the material loss angle tangent value so as to simulate energy attenuation in the gating pulse transmission process; after pulse amplitudes at different transmission distances are obtained, dynamic gain distribution in the pulse transmission direction is calculated by combining the power relation between MCP gain and working voltage. According to the method, fine geometric modeling does not need to be carried out on the MCP micro-channel hole, the computing resource requirement and simulation time are greatly reduced, the dynamic gain uniformity of the MCP can be accurately and efficiently evaluated, and the method can be popularized and applied to design and performance verification of other MCP-based high space-time resolution detectors.

The invention discloses an electromagnetic disturbance simulation test method, system, equipment and medium in an extreme multi-physical environment, and belongs to the technical field of electric power engineering and measurement testing, and the method comprises the steps: electrifying a test device, obtaining extreme multi-physical environment data, generating multiple groups of test conditions, and setting test points; setting the voltage of a high-voltage source, setting an acquisition mode and a trigger value of an oscilloscope, controlling the switching frequency of a pulse transmission line to be adjusted and applied to a to-be-detected electronic transformer, drawing an I-V curve of the electronic transformer according to an acquisition result, and combining the I-V curves of the electronic transformer under multiple groups of temperature and humidity conditions, and analyzing to obtain the failure voltage and the failure current of the electronic transformer. According to the method, the performance data of the electronic mutual inductor under different temperature and humidity conditions and electromagnetic disturbance environments are comprehensively and accurately collected, the data can be deeply analyzed through a scientific and reasonable data processing method and a strict failure judgment criterion, and the performance and reliability of electronic equipment are accurately evaluated.

A visualization system (106) with customizable illumination cycles for addressing relative brightness differences between different illumination sources. A system includes an image sensor (124) including an array of pixels (125) and a transmitter (102) including a plurality of electromagnetic radiation sources (138), wherein the plurality of electromagnetic radiation sources includes a first source and a second source. The transmitter cycles at least a portion of the plurality of electromagnetic radiation sources according to a pulse period including a plurality of pulse emissions by the first source and a plurality of pulse emissions by the second source. When the image sensor reads out a data frame corresponding to the transmission of the first source, at least a portion of the plurality of pulsed transmissions of the second source overlaps a readout period of the image sensor.

The invention discloses a second pulse detection protection circuit, system and method and a vehicle. The second pulse detection protection circuit comprises a second pulse transmission module, an input signal detection module and an output signal detection module. The second pulse transmission module outputs a second pulse signal, the input signal detection module outputs a second pulse sampling signal I, the input end of the output signal detection module is connected with the output end of the second pulse transmission module, and the output signal detection module outputs a second pulse sampling signal II; the positioning module is used for judging whether to generate the second pulse signal based on the second pulse sampling signal I and selecting to generate the second pulse signal, and judging whether to stop generating the second pulse signal and whether to output the second pulse signal based on the second pulse sampling signal I and the second pulse sampling signal II. According to the invention, accurate second pulse signals can be obtained in real time.

This application provides a pulse generation system, an irreversible electroporation device, and a related method. The pulse generation system generates a high-voltage pulse signal by controlling the conduction of a pulse transmission circuit according to a control signal. This high-voltage pulse signal is applied to biological tissue through at least one pair of electrodes, causing irreversible electroporation and cell death within the tissue. Furthermore, the pulse generation system can also generate a low-voltage pulse signal to collect electrical information from the biological tissue. This electrical information is then used to determine the effectiveness of the irreversible electroporation and whether to continue the high-voltage pulse treatment. Thus, a single pulse generation system can generate both high-voltage and low-voltage pulses without requiring additional equipment, making it more convenient to use. Moreover, since it is a single circuit, the control effect is better.

This application provides a high-frequency variable optical pulse signal control method and system, belonging to the field of signal control technology. This application acquires the ambient light intensity value of the target space and uses a wide-angle photoelectric sensor array to collect a time-series sequence of light intensity distribution. Frequency domain transformation is performed on each frame of the sequence to extract interference feature information such as frequency, amplitude, and phase. The interference feature information and the ambient light intensity value are combined to construct a time-series feature vector sequence, which is then input into a prediction model to obtain a prediction sequence containing future interference amplitude and phase. Candidate strong interference time slots are determined based on the prediction sequence, and the target strong interference time slot is selected from them. The target signal transmission time and corresponding target phase difference are calculated based on the predicted phase of the target time slot. The phase difference is used to adjust the high-frequency pulse trigger clock output by the programmable phase-locked loop to drive the optical pulse transmission circuit to transmit the signal, thereby achieving active control of the high-frequency variable optical pulse signal and improving the reliability of communication quality.

The invention discloses a square wave pulse generator and a square wave pulse generation method, in the scheme, a pulse data memory stores parameter data of a square wave pulse sequence to be output; the square-wave pulse generation module responds to an instruction of an upper computer to read parameter data of a to-be-output square-wave pulse sequence stored in a pulse data memory, distributes the parameter data to a plurality of pulse transmission channels for processing to obtain a plurality of seed square-wave pulse sequences and transmits the seed square-wave pulse sequences to the corresponding pulse amplitude adjusting modules respectively; the pulse amplitude adjusting module performs waveform adjustment on each seed square wave pulse sequence to obtain an intermediate square wave pulse sequence and transmits the intermediate square wave pulse sequence to the corresponding master-slave pulse driving module; and the master-slave pulse driving module performs voltage gain and current gain on the intermediate square wave pulse sequence to obtain a square wave pulse sequence to be output. Compared with the prior art that performance limitation still exists in the aspects of voltage range, current driving capability, delay precision or sequence flexibility and the like, the method has obvious advantages.

The embodiment of the invention provides an image acquisition method, system and device, a storage medium and a program product, and relates to the technical field of medical image acquisition and processing. The method comprises the following steps: generating a reference signal through a synchronous control module, wherein the synchronous control module comprises a clock generator and a time schedule controller; generating a differential signal trigger pulse according to the reference signal through a time schedule controller; real-time illumination data are collected through the light supplementing module, and light supplementing data are adjusted based on the real-time illumination data; and transmitting the differential signal trigger pulse to the multi-camera module, and driving the multi-camera module to perform stepped focusing based on the differential signal trigger pulse in combination with the light supplementing data to generate a target image. According to the method, through a hardware synchronous triggering mechanism, time deviation is remarkably reduced, and accurate alignment of dynamic characteristics is ensured; the synchronous exposure mechanism reduces the risk of image splicing dislocation, improves the robustness of image processing, and realizes high-precision, high-synchronism and high-environmental adaptability image acquisition.

The application provides an electric energy metering pulse following communication method and system, comprising pre-distributing upload quantum pairs and issue quantum pairs between an electric energy metering device and a verification detection device, setting quantum pair serial number information and pulse count information; in response to metering pulse transmission, interacting metering pulse report frames and metering pulse response frames, carrying out bidirectional data interaction based on the upload quantum pairs and the issue quantum pairs, and multiplexing the report frames and the response frames into a communication bearing channel; in the interaction process, carrying out synchronous control based on the quantum pair serial number information and the pulse count information; when a metering pulse response frame is not normally received, entering an abnormal mode, and carrying out synchronous recovery based on rectification information. The technical scheme of the application realizes bidirectional communication in a wireless metering pulse transmission process, and improves verification communication stability.

A system for detecting biological information of a driver of a moving object includes: an electrocardiogram sensor provided on a steering wheel of the moving object, the electrocardiogram sensor being configured to detect an electrocardiogram signal of the driver; a pulse wave sensor provided on a seat belt of a seat of the moving object, the pulse wave sensor being configured to detect a pulse wave signal of the driver; a PTT estimation unit configured to estimate a pulse transmission time of the driver using the electrocardiogram signal and the pulse wave signal; and a blood pressure estimation unit configured to estimate at least one of a blood pressure of the driver and a variation in the blood pressure using the estimated pulse transmission time.

The utility model discloses an ultrasonic level gauge, which relates to the technical field of ultrasonic level gauges, and comprises a display seat, a connecting seat arranged below the display seat, a controller arranged below the connecting seat, a connecting cover arranged below the controller, an outer protective tube arranged inside the connecting cover, and an inner protective tube arranged inside the outer protective tube. A probe is arranged in the outer protective tube, the probe is connected with the interior of the outer protective tube in an inserted mode, limiting grooves are formed in the inner walls of the two sides of the outer protective tube, limiting rods are arranged on the end faces of the two sides of the top of the probe, the limiting rods are connected with the interiors of the limiting grooves in an inserted mode, and a detection head is installed in the bottom end of the probe. According to the scheme, the problem that in the prior art, in the ultrasonic pulse transmission process of an ultrasonic liquid level meter, a small-area area near an ultrasonic transducer cannot receive sound waves usually, a blind area is formed, and the use environment of the ultrasonic liquid level meter is limited is solved.

The invention mainly relates to the technical field of geological drilling, and provides a small-diameter near-bit measurement-while-drilling device in order to improve the efficiency and accuracy of obtaining small-diameter drilling engineering parameters, inner pipe track parameters and stratum information, and the core of the small-diameter near-bit measurement-while-drilling device is that all functional units are tightly integrated in a small-diameter outer protective shell inner pipe assembly; the overall size of the device is reduced; stratigraphic magnetic field interference is considered, and a multi-sensor data fusion algorithm is adopted to carry out fusion processing on engineering parameters, inner pipe track parameters and stratigraphic information; an automatic switching mechanism is designed, slurry pulse transmission and electromagnetic wave transmission are switched according to underground working conditions, continuity and accuracy of data transmission are ensured, high-precision measurement while drilling of engineering parameters, inner pipe track parameters and stratum information is realized, and meanwhile, on the premise that a small-diameter underground key machine tool is designed in a small size, the measurement precision is greatly improved. Coordination and unification of strength, power, a measurement-while-drilling channel and a power transmission channel are achieved, and adaptability and reliability of the device in a complex underground environment are improved.

The invention relates to the technical field of power equipment detection, in particular to a partial discharge detection method and device applied to power equipment, equipment, a storage medium and a computer program product. The method comprises the following steps: emitting a single-photon weak coherent light pulse subjected to light attenuation modulation, and carrying out polarization state coding on the single-photon weak coherent light pulse; transmitting the single-photon weak coherent light pulse after polarization state coding to a partial discharge area of the power equipment; receiving the disturbed optical signal of the partial discharge area, and determining time distribution data and polarization distribution data according to the optical signal; based on the time distribution data and the polarization distribution data, extracting polarization state change parameters; according to the method, the multi-dimensional characteristic spectrum is generated based on the polarization state change parameters, and the partial discharge of the power equipment is detected based on the multi-dimensional characteristic spectrum, so that the precision and reliability of the insulation state detection of the power equipment are improved.

The invention provides a millimeter wave radar blood pressure measurement method based on signal decomposition and reconstruction. Firstly, pulse wave signals of the neck of a human body are collected through a millimeter-wave radar. The method comprises the following steps: firstly, collecting pulse wave signals, secondly, carrying out analog-to-digital conversion (ADC) and fast Fourier transform (FFT) on the collected pulse wave signals to obtain the position of a human body, and carrying out preprocessing such as direct current offset correction on the pulse wave signals; the method comprises the following steps: carrying out noise reduction on a pulse wave signal, and on the basis, carrying out separation and reconstruction on the processed pulse wave signal by applying a Fast Independent Component Analysis-Hilbert-Huang Transform (Fast ICA-HHT) algorithm, so as to obtain a denoised pulse wave signal. And finally, the pulse transmission time (PTT) and the pulse wave intensity ratio (PIR) of the pulse wave are calculated, and the PTT and the PIR are used for constructing an expression between the systolic pressure (SBP) and the diastolic pressure (DBP), so that the expression between the systolic pressure (SBP) and the diastolic pressure (DBP) is constructed, and the expression between the systolic pressure (SBP) and the diastolic pressure (DBP) and the pulse wave intensity ratio (PIR) of the pulse wave and the pulse wave intensity ratio (PIR) of the pulse wave and the pulse wave intensity ratio (PIR) of the pulse wave and the pulse wave intensity ratio (PIR) of the pulse wave and the pulse wave intensity ratio (PIR) of the pulse wave and the pulse wave intensity ratio (PIR) of the pulse wave are calculated. According to the invention, denoising of pulse wave signals and accurate measurement of blood pressure are realized.

The present invention relates to a segmentation method for delimitating objects (O) as segments (S) in an item of baggage (B) during an X-ray diffraction analysis, comprising the following steps:recording pulse transmission functions (20) for a large number of voxels (30) of the item of baggage (B),comparing the recorded pulse transmission functions (20) with at least one specified material function (40) and generating a similarity value (50) as a comparison result,selecting at least one voxel (30) as the starting voxel (32) based on the similarity values (50),creating at least one voxel cluster (34) starting out from the at least one selected starting voxel (32) using a combination method comprising the following stepsa) combining the starting voxel (32) with neighbouring voxels (33) in all spatial directions,b) determining the similarity value (50) with the at least one material function (40) for each of these combinations,c) adding to the voxel cluster (34) those neighbouring voxels (33) which produce an improvement of the similarity value (50),d) repeating steps a) to c) up to a termination criterion (60),combining overlapping voxel clusters (34) into at least one segment (S), taking into account an increase in the similarity value (50) through the combination.

The invention relates to the technical field of power generation coordination control, in particular to a complementary combined power generation coordination control method, device and equipment. Acquiring operation related data of the complementary combined power generation system; formulating a complementary coordination control strategy based on the operation constraint and energy balance target of the system; according to the coordination control strategy, a multi-channel fuzzy spiking neural P calculation model with polarity and an accelerant is constructed, and the strategy is represented and executed in a formalized mode; inputting current operation related data into the constructed multi-channel fuzzy pulse neural P calculation model, triggering corresponding neurons and pulse transmission rules, and performing calculation evolution; and analyzing the final output of the multi-channel fuzzy spiking neural membrane calculation model, and generating a specific control instruction for interaction of the energy storage equipment, the controllable power generation equipment and the power grid so as to realize dynamic power balance and stable operation of the complementary combined power generation system. The energy coordination control of the distributed photovoltaic and cascade small hydropower complementary combined power generation is more reliable and flexible.

The application discloses a non-contact blood pressure measurement method based on pulse transmission time, and relates to the technical field of medical health monitoring.The chest and wrist of a target are simultaneously monitored by a radar device, and the pulse transmission distance and time are calculated, thereby significantly improving the blood pressure monitoring precision, and overcoming the limitation that the traditional method only relies on a single pulse signal to cause insufficient information amount; meanwhile, by utilizing micro kinetic energy accumulation and point cloud modeling technology, the key parts can be accurately positioned and the signal quality can be enhanced under complex environment, the signal-to-noise ratio is effectively improved, and the sensing problem under the low signal-to-noise ratio environment is solved.In addition, the pulse wave signal is processed through a series of enhancement algorithms, reliable extraction of weak physiological signals is realized, and the non-contact blood pressure monitoring is more accurate and reliable.Based on the calculation method of the human physiological model, the blood pressure measurement result has a clear physiological basis, and the problem that the neural network mapping is not interpretable is avoided.

The invention provides a blood pressure monitoring method, device and system and electronic equipment. A heartbeat signal and a pulse wave signal of a target object at the current time are obtained. And the pulse transmission time is calculated by using the two signals. The pulse transmission time is used to estimate blood pressure in a first blood pressure prediction model. The model is established based on pulse transmission time data of a target object in past time. Feature parameters are extracted from the pulse wave signals. The characteristic parameters are used for a second blood pressure prediction model, and the model is based on pulse wave characteristic data of the target object in the past time. And combining the output values of the two models through a fusion algorithm to obtain a comprehensive blood pressure measurement value. The heartbeat signal and the pulse wave signal of the target object are collected, the pulse transmission time and the pulse wave characteristic parameters are used for conducting composite blood pressure prediction and fusion, the blood pressure of the target object is accurately predicted, and therefore continuous monitoring of the blood pressure can be achieved through the heartbeat signal and the pulse wave signal of the target object.

The application discloses a kind of dynamic gain uniformity simulation methods of gated framing imaging, it is related to ultrafast diagnostic technique field.The application is by constructing the physical model of MCP microstrip cathode including material loss tangent value, sets up strobe pulse as excitation source in electromagnetic simulation software, by adjusting material loss tangent value to equivalent replace the direct geometric modeling of mass microchannel hole, to simulate energy attenuation in the transmission process of strobe pulse;After obtaining the pulse amplitude at different transmission distances, the power relationship of MCP gain and working voltage is combined, and the dynamic gain distribution along the pulse transmission direction is calculated.The application does not need to carry out fine geometric modeling to MCP microchannel hole, greatly reduces the demand of computing resource and simulation time, can accurately and efficiently evaluate MCP dynamic gain uniformity, and can be applied to the design and performance verification of other MCP-based high space-time resolution detector.

The invention provides an ultrasonic radar anti-interference method and an ultrasonic radar anti-interference system based on a coded transmission signal, which abandons the original modes of simple pulse transmission and direct time measurement in a vehicle-mounted ultrasonic radar and constructs a set of complete coded signal transmission and coherent receiving processing system. The problem that an existing vehicle-mounted ultrasonic radar cannot effectively distinguish correct echo signals due to signal homogenization is fundamentally solved, and the signal anti-interference capability of the vehicle-mounted ultrasonic radar is effectively improved.

The invention discloses a magnetic resonance imaging system and method. The system comprises an upper computer, a multi-core broadband spectrometer, a switching controller, a nuclide coil and a magnetic resonance imaging system, the upper computer sends a control signal to the multi-core broadband spectrometer; the multi-core broadband spectrometer outputs a radio frequency excitation pulse according to the control signal; the nuclide coil outputs a radio frequency signal corresponding to the nuclide according to the radio frequency excitation pulse and receives an induced voltage signal; the magnetic resonance imaging system generates a main magnetic field passing through the nuclide coil; the multi-core broadband spectrometer and the magnetic resonance imaging system realize clock synchronization through a synchronous trigger signal; the multi-core broadband spectrometer sends a first gating signal to the switching controller; the switching controller is used for transmitting the induced voltage signal to the multi-core broadband spectrometer in a receiving state; the switching controller is used for transmitting the radio frequency excitation pulse to the nuclide coil in the transmitting state. The technical scheme provided by the invention is compatible with magnetic resonance imaging of various atomic nucleuses.

The invention provides a cascade energy storage system hardware-in-the-loop test method based on RTDS simulation and a related device, and belongs to the technical field of simulation test. According to preset control criteria and test requirements, contrastive analysis, logic judgment and operation are carried out on conditioned signals, and a control protection strategy adaptive to the current working condition is generated; according to the control protection strategy adaptive to the current working condition, a control command and a trigger pulse corresponding to the current working condition are obtained; transmitting the control command and the trigger pulse corresponding to the current working condition to an integrated equivalent model and a single-phase cascade energy storage model in the RTDS simulation system; and according to a test object, only activating the integrated equivalent model or simultaneously activating the integrated equivalent model and the single-phase cascade energy storage model to carry out cascade energy storage system hardware-in-the-loop test to obtain a cascade energy storage system hardware-in-the-loop test result. According to the method, the problems of system running lagging and equipment overheating caused by insufficient RTDS simulation computing resources and excessive energy storage modules are solved.