84results about How to "Improve output stability" patented technology

The invention relates to the technical field of laser control, in particular to a high-power fiber laser stable output control method and system. The method comprises the following steps: monitoring a multi-mode sensing signal of an optical fiber laser in real time based on an optical fiber sensor array; performing dynamic optical fiber sensing change analysis on the multi-mode sensing signal of the optical fiber laser to generate a dynamic optical fiber sensing change characteristic; laser output phase distribution analysis is carried out on the dynamic optical fiber sensing change characteristics, real-time power feedback adjustment is carried out, and a dynamic light beam power feedback adjustment strategy is constructed; overheat power unbalance analysis is carried out based on a fiber laser multi-mode sensing signal, and local temperature control power fine tuning is carried out, so that a local temperature control power fine tuning strategy is constructed; and performing sensor position calculation on the optical fiber sensor array one by one, and performing nonlinear optical effect analysis to generate nonlinear optical effect characteristics. According to the invention, efficient and stable laser output control is realized.

The invention relates to the field of new energy storage materials, and discloses a multifunctional composite perfluorosulfonic acid ion exchange membrane for an all-vanadium redox flow battery, and the composite membrane comprises the following components: perfluorosulfonic acid resin which accounts for 60-90wt% of the total mass of the membrane and is used as a matrix material; the functionalized multi-walled carbon nanotube accounts for 5-15 wt.% of the total mass of the membrane, and carboxyl and hydroxyl are introduced through surface treatment; phosphotungstic acid accounts for 5-20wt.% of the total mass of the membrane, and is anchored on the surface of the functionalized multi-walled carbon nanotube through an electrostatic spinning process; n, N-dimethylformamide and isopropanol are used as solvents, and the solvents are mixed with a perfluorinated sulfonic acid resin solution according to the volume ratio of 1: 1. The proton conductivity, the vanadium ion barrier property and the tensile strength of the composite membrane are obviously superior to those of a traditional Nafion membrane. According to the technical scheme, an efficient and economical solution is provided for improving the overall performance of the all-vanadium redox flow battery, and the method has good application prospects and market value.

The invention relates to the technical field of fiber-optic gyroscope output compensation, in particular to a fiber-optic gyroscope output compensation method and system based on a temperature change rate, which can improve the output stability and accuracy of a fiber-optic gyroscope in different temperature environments. According to the method, the temperature change rate of the gyroscope is monitored in real time, and the fitting relation between the temperature change rate and the gyroscope drift value is established, so that precise compensation of gyroscope output is realized, and the output stability and accuracy of the gyroscope in different temperature environments are improved; the compensated gyroscope output value is more stable, and the overall stability and reliability of the inertial navigation system are improved.

The invention discloses a B-site high-entropy solid oxide electrolytic cell cathode material and a preparation method and application thereof, the cathode material is of an A2B2O6 type high-entropy perovskite structure, and the chemical formula of the cathode material is Sr2FeTi < 0.2 > Cr < 0.2 > Mn < 0.2 > Mo < 0.2 > Co < 0.2 > O < 6 >. The cathode material is an electron and ion mixed conductor and has good conductivity, the ion radiuses of B-site elements are close, the ion size difference is small, and a stable single-phase structure can be formed easily. The Sr2FeTi0. 2Cr0. 2Mn0. 2Mo0. 2Co0. 2O6 high-entropy perovskite material can transmit oxygen ions and electrons at the same time, can effectively reduce the polarization resistance of a cathode of an oxygen ion conduction type solid oxide electrolytic cell, improves the electrolytic current density of the electrolytic cell, can keep good structural stability in a pure carbon dioxide atmosphere, and can effectively enhance the output stability of the cell.

The invention discloses a laser amplifier based on wavefront distortion correction, which relates to the technical field of lasers and comprises a laser source, a gain medium, a wavefront sensor, a self-adaptive optical wavefront correction module and a feedback control system. The laser beam amplified by the gain medium is output through the second optical coupler, the wavefront sensor is connected with the output end of the gain medium, and the feedback control system is connected with the wavefront sensor and the adaptive optical wavefront correction module through a data bus and automatically generates a correction signal according to wavefront distortion data. The feedback control system is installed, the function of adjusting and correcting parameters in real time based on wavefront distortion is achieved, the problem that wavefront distortion caused by optical system errors or environment disturbance is difficult to monitor and correct in real time through a traditional laser amplifier is solved, the focusing performance and transmission efficiency of laser beams are improved, and the laser amplifier has a wide application prospect. And stable and high-quality light beam output is maintained.

The invention relates to an integrated high-temperature-resistant lead-bismuth-resistant pressure sensor and a working method thereof, and belongs to the field of sensors, the integrated high-temperature-resistant lead-bismuth-resistant pressure sensor comprises a sensor main body and a cable output device, and the sensor main body and the cable output device are connected through a metal cable; the upper end of the cable shell is connected with the metal cable, the lower end of the cable shell is sequentially welded with the shell, the diaphragm and the threaded column with the hole to form an integrated shell structure, the graphene column is arranged in the integrated shell structure, and the upper end of the graphene column is connected with a core wire of the metal cable; the insulating tube is located in the integrated shell structure and wraps the graphene column, the lower end of the graphene column is connected with the piezoelectric ceramic and the metal gasket, the piezoelectric ceramic is completely located in the insulating tube, the metal gasket is partially located in the insulating tube, and the bottom of the metal gasket is embedded above the diaphragm; insulating rings are arranged at the contact position of the graphene column and the cable shell and the contact position of the graphene column and the shell. According to the invention, short circuit or open circuit is not easy to occur, sealing performance and performance are good, and normal operation can be continuously carried out in a high-temperature lead-bismuth environment.

The invention discloses a semi-polar gallium nitride-based LED based on an in-situ SiNx insertion layer. According to the structure of the semi-polar gallium nitride-based LED, an AlN buffer layer, a u-GaN layer, the SiNx insertion layer, a u-GaN layer, an n-GaN layer, a multi-layer quantum well structure, a p-GaN layer and a p +-GaN layer are sequentially deposited on a sapphire substrate from bottom to top. According to the method, the silicon nitride (SiNx) intermediate layer is inserted through in-situ growth, and the growth mode of converting 3D into 2D is combined, so that the crystal quality of the semipolar (11-22) GaN template is improved, and the pressure stress on the sapphire substrate of the semipolar (11-22) GaN template can be effectively released; the method has good expansibility for large-area growth of the semi-polar GaN-based LED, and a possible solution is provided for large-scale manufacturing of the long-wavelength LED.

This invention discloses an individual motion behavior analysis system based on dynamic modal configuration and rule-guided fusion, belonging to the fields of intelligent perception, sports science, and human-computer interaction. It includes a data input module, a dynamic modal organization and configuration module, a multimodal feature modeling and fusion module, an indicator-level evaluation and behavior state prediction module, a statistical rule-guided analysis and result correction module, and a structured result generation and output module. These modules work together to form a complete closed loop for motion behavior analysis technology. This invention aims to address the problems in existing motion behavior analysis technologies, such as limited dimensionality of single-modal information, rigid multimodal fusion methods, insufficient stability and interpretability of analysis results, and strong dependence on large-scale manually labeled data.

A control circuit for a power converter includes a first sensing circuit, a reference voltage generating circuit, an error amplifier circuit and a pulse width modulation circuit. The first sensing circuit is coupled to a first output circuit to provide a first current sensing signal. The reference voltage generating circuit is coupled to the first sensing circuit and provides a reference voltage according to the first current sensing signal. The error amplifier circuit is coupled to the reference voltage generating circuit to receive the reference voltage and an output feedback voltage of the power converter to provide an error amplifier signal. The pulse width modulation circuit is coupled between the error amplifier circuit and the first output circuit to receive the error amplifier signal and provide a control signal to control the first output circuit. The reference voltage generating circuit also receives the error amplifier signal and adjusts the reference voltage generated according to the error amplifier signal. The control circuit for the power converter can effectively improve the output stability without affecting the output voltage under long time load.

This invention provides a microgap suspension device and a microgap inverted suspension heat treatment process, comprising the following steps: adding p-aminobenzenesulfonic acid to a solvent, mixing thoroughly, and then adding carbon nanotubes to obtain a carbon nanotube dispersion; stirring the carbon nanotube dispersion under heating conditions to obtain a p-aminobenzenesulfonic acid-modified carbon nanotube dispersion; coating a substrate surface with a lead bromide solution, then coating the lead bromide surface with a cesium bromide solution, then coating the cesium bromide surface with the p-aminobenzenesulfonic acid-modified carbon nanotube dispersion; and finally performing heat treatment through a microgap suspension device to form a photoactive layer film. The microgap inverted suspension heat treatment process of this invention, through controllable height suspension heat treatment, ensures that the film is almost unconstrained by the rigidity of the substrate during thermal expansion and cooling contraction, thus making it suitable for flexible substrates as well. It also avoids direct contact damage to flexible substrates during high-temperature heat treatment.

This invention discloses a sensor for detecting ice, water, and dryness states, comprising a substrate, a first metal line, a second metal line, a third metal line disposed on the surface of the substrate, a variable capacitor, an interdigitated capacitor, and a planar inductor. One end of the variable capacitor is connected to one end of the planar inductor via the first metal line, and the other end of the planar inductor is connected to one end of the interdigitated capacitor via the second metal line. The other end of the interdigitated capacitor is connected to the other end of the variable capacitor via the third metal line. The capacitance value of the interdigitated capacitor changes with the different dielectric constants of the materials between the interdigitated fingers. Since the relative dielectric constants of ice, water, and dryness change at different frequencies, the capacitance value of the interdigitated capacitor also changes. Therefore, this sensor for detecting ice, water, and dryness states has advantages such as simple structure, high recognition rate, small size, and process compatibility.

The invention relates to the technical field of machine learning, and discloses a medical field large language model training method and system based on knowledge graph enhancement, and the method comprises the steps: obtaining a medical corpus and a knowledge graph; performing fine-grained semantic analysis to generate an entity sequence; reasoning and extracting a multi-hop sub-graph by a multi-dimensional association path; embedding the graph into the dynamic injection text based on the dynamic weight to generate an enhanced training sample; parsing the codes into a standardized instruction set; and performing iterative optimization to obtain a target model. Through adaptive knowledge fusion and standardized instruction coding, the training efficiency and professional reasoning ability of the medical big language model are improved.

The invention provides a display panel and a display device. A pixel circuit of the display panel comprises a driving transistor, a data writing module and a threshold grabbing module. The first end of the data writing module is electrically connected with a data signal line, and the second end of the data writing module is electrically connected with the first end of the driving transistor; the first end of the threshold grabbing module is electrically connected with the second end of the driving transistor, and the second end of the threshold grabbing module is electrically connected with the first grid electrode of the driving transistor; a second grid electrode of the driving transistor is electrically connected with the grid voltage control line, and a film layer where the second grid electrode of the driving transistor is located is located between the active layer and the substrate. Wherein in the data writing stage, the time-varying signal transmitted by the grid voltage control line is a high-level signal; in the light emitting stage, the time-varying signal transmitted by the grid voltage control line is a low-level signal. According to the scheme, the display abnormity phenomenon can be weakened or eliminated from the two aspects of improving the data signal writing efficiency and enhancing the output stability of the light-emitting driving current.

A lead-free packaged all-quartz resonant pressure sensor comprises a 3J21 alloy shell cover, the 3J21 alloy shell cover is connected with a 3J21 alloy shell in a sealed mode, and a quartz island film pressure conversion unit, a quartz resonant layer element and a quartz base component which are connected through a vacuum glass frit sealing technology are arranged in an inner cavity formed by the 3J21 alloy shell cover and the 3J21 alloy shell. Glass frit dielectric layers are arranged between the quartz island film pressure conversion unit and the quartz resonance layer element as well as between the quartz resonance layer element and the quartz base part; three quartz layers and two glass frit dielectric layers are connected to form an all-quartz pressure chip; the all-quartz pressure chip, the 3J21 alloy shell and the gold-plated lead column are connected through sintering of glass silver paste, and a chip electrode signal is led out through the gold-plated lead column; according to the invention, the long-term stability of the sensor is significantly improved, the mechanical strength and reliability of electrical connection are enhanced, real-time and homologous sensing of temperature signals is realized, and the compensation precision of the sensor in a full temperature range is effectively improved.

The application discloses a power assisting curve self-adaptive generation method and system based on riding habit learning, relates to the field of intelligent control of electric power assisting bicycles, and comprises the following steps: establishing a riding habit library based on historical riding data of target riders, and storing a pedaling force habit center and a pedaling frequency habit center representing long-term pedaling behavior characteristics of the riders; collecting multi-source real-time sensing data such as pedal torque, pedaling frequency, vehicle driving state and battery state in real time; constructing a comfort envelope model through the pedaling force habit center and the pedaling frequency habit center, and calculating a comfort coefficient; generating comprehensive control indexes in combination with the comfort coefficient, the vehicle driving state and the battery state data, dynamically adjusting the shape parameters of a basic power assisting function, generating a self-adaptive power assisting curve matched with a current riding scene, and then determining a motor power assisting torque instruction and outputting the motor power assisting torque instruction to a motor controller. In this way, the individualized coordination and coupling of man-machine torque aiming at natural pedaling force performance of the riding user habits are realized.

The application discloses a smoothing maintenance method, system, device and storage medium for an extremely low bit quantization language model, and belongs to the technical field of artificial intelligence and natural language processing. The method comprises the following steps: obtaining a large language model to be quantized; performing hierarchical quantization processing on the model; constructing a joint optimization target; and finally generating a quantization model. The application aims at the defects that the existing extremely low bit quantization technology only optimizes the forward fitting error and ignores the model smoothing and gradient propagation characteristics, constructs a joint optimization target containing the forward fitting error term and the gradient maintenance term in the quantization process, ensures the output consistency of the quantization model and the original model through the forward fitting error term, and restricts the input gradient consistency of the model before and after quantization through the gradient maintenance term, so that the smoothing of the model is maintained.

This invention discloses a directional adaptive wave energy generator and its power generation method. In this invention, raft one and raft two oscillate back and forth with the waves. During oscillation, a magnetic coupling transmission device and a one-way bearing drive the drive shaft of the triboelectric nano-power generation mechanism located in the sealed chamber to rotate unidirectionally. The drive shaft drives the FEP friction layer in the rotor of each power generation component to contact and rub against the MF foam friction layer in the stator, generating triboelectric charge. Furthermore, the relative positions between the FEP friction layer and the copper electrodes A and B in the stator periodically change, creating an alternating potential difference between copper electrodes A and B. Electrons flow back and forth between copper electrodes A and B, forming an alternating current, thus achieving power generation. Raft two is equipped with a tail fin, enabling the device to automatically adjust its attitude according to the wave or current direction. This invention can convert low-frequency wave energy into a stable current output for power generation and exhibits strong adaptability to multi-directional waves and complex sea conditions.

A wave energy conversion device, comprising a housing. A water inlet cavity (25) and a water outlet cavity (26) are provided in the housing, and a one-way flow guide grille is mounted on an opening of each of the two cavities; a water turbine is mounted between the two cavities, and the upper part of the water turbine can be connected to a main shaft of a permanent magnet generator (2); the one-way flow guide grilles of the water inlet cavity (25) and the water outlet cavity (26) are arranged in a transverse V-shaped manner along an up-down direction, and the housing is provided with a water inlet and outlet (23) at a V-shaped opening; the water inlet cavity (25) and the water outlet cavity (26) are combined in an asymmetric manner, and the water inlet cavity (25) and the water outlet cavity (26) are respectively provided with a portion connected to a top portion (19) of the housing, and an air discharge opening is disposed on said portion.

The utility model relates to a quick charge adapter circuit, including transformation circuit and synchronous rectification circuit, transformation circuit includes transformer T1, transformer T1 includes first secondary side coil and second secondary side coil, the first end of second secondary side coil is used as the positive pole of direct current power supply VOUT2, synchronous rectification circuit includes NMOS transistor Q1 and rectification controller U4, the second end of second secondary side coil is used as the positive pole of direct current power supply VOUT2. The drain electrode of the NMOS tube Q1 is connected with the second end of the second secondary side coil, and the grid electrode of the NMOS tube Q1 is connected with the control end of the rectification controller U4; the power output end of the rectification controller U4 is connected with the first end of the first secondary side coil, the speed setting end of the rectification controller U4 is grounded through a resistor R75, and the monitoring end of the rectification controller U4 is connected with the drain electrode of the NMOS tube Q1 through a resistor R74. Compared with traditional diode rectification, the synchronous rectification circuit reduces conduction loss and improves rectification efficiency.

The invention relates to the technical field of photovoltaic power generation system operation and maintenance, and provides an open-winding photovoltaic synchronous machine pile power generation system, which comprises a data acquisition unit, a photovoltaic array unit, an open-winding synchronous motor unit, a voltage control unit and an optimization unit, the system monitors and controls the operation data of each winding end of the open-winding synchronous motor in real time, combines a photovoltaic output prediction algorithm and an optimization algorithm, continuously optimizes a power generation control model, realizes stable electric energy output, improves the power generation efficiency and the energy utilization rate, reduces the operation and maintenance cost, and improves the power generation efficiency and the energy utilization rate. And the adaptability and the intelligent operation and maintenance capability of the system are enhanced.

Provided is a circuit board assembly that includes a lithium secondary battery, and is compact, excellent in durability, and high in output stability. The circuit board assembly includes a wiring board, the lithium secondary battery electrically connected to the wiring board, and a wireless communication device electrically connected to the wiring board. The lithium secondary battery includes a positive electrode, a negative electrode arranged to face the positive electrode, and an electrolyte. In the lithium secondary battery, an electrode area (S) and a battery resistance (R) satisfy a relationship of 0.08 ≤ R / S ≤ 1.80 (Ω / cm2), where the electrode area is an area where the positive electrode and the negative electrode face each other.

This invention relates to the field of switching power supply technology, specifically providing an isolated power supply circuit aimed at solving the problems of low integration, poor output consistency, and high cost and energy consumption in existing multi-channel isolated power supplies. To this end, the invention comprises: a power control and drive module, an isolation module, a rectification, filtering, and voltage regulation module, an anti-interference module, and a load module. The power control and drive module receives power, generates a drive voltage signal, and outputs the drive voltage signal to the isolation module, while simultaneously outputting a ground potential voltage signal to the anti-interference module. The isolation module achieves voltage signal isolation output through internal electromagnetic coupling, outputting the isolated voltage signal to the rectification and filtering module. The anti-interference module outputs the filtered, interference-free ground potential voltage signal to the rectification and filtering module. The rectification and filtering module performs rectification and filtering processes, outputting a stable voltage signal to the load module. This invention features high integration and high output consistency.

The invention relates to a high-power green laser synthesis system based on a rotary frequency doubling crystal and multiple beams of infrared pulse laser, and belongs to the technical field of laser. The system comprises a multi-beam pulse infrared laser device, a frequency doubling crystal module, an annular rotating mechanism, a beam combining device, a continuous infrared laser device, a laser frequency regulation and control device and a rotating driving control system. The four beams of pulse infrared laser sources are symmetrically arranged along the circumferential edge, and periodically staggered output is realized through frequency regulation and control; the multiple frequency doubling crystals are distributed along the rotating circular ring at equal intervals and are sequentially aligned with laser pulses under driving of the rotating mechanism, and efficient frequency doubling is achieved. The center continuous infrared laser generates stable green light through frequency doubling of the fixed crystal. Finally, the green light generated by the multiple frequency doubling crystals and the central green light are integrated into a single light beam through a beam combining device to be output. According to the system, the power upper limit and the stability of green laser are remarkably improved through energy sharing of polycrystals, rotary dynamic matching and annular cooling, and the problems that existing green laser is limited in power and serious in heat effect are solved.

The application discloses a kind of plaque three-dimensional parameter atlas reconstruction evaluation methods based on coronary center line constraint, comprising: obtaining and preprocessing coronary CCTA volume data;Using the continuous action deep reinforcement learning model based on Actor-Critic architecture to extract center line and radius value, generate tubular region of interest;Orthogonal section resampling is carried out, section sequence is constructed, and double-coordinate joint representation is formed;Input VM-UNet segmentation network, obtain the segmentation result of lumen, vessel wall and plaque component;Introduce pixel-level contrast learning strategy in the training of segmentation network;From the segmentation result, plaque three-dimensional parameter atlas is reconstructed by back projection;Construct plaque component relationship graph;Input uncertainty perception multimodal fusion network, obtain risk result and corresponding confidence;When confidence result exceeds preset threshold, resample and reconstruct plaque component relationship graph, obtain corrected result.

The application discloses a flood peak prediction method and system, the method comprising: obtaining topographic elevation data of a target area and target rainfall pattern information; inputting the topographic elevation data and the target rainfall pattern information into a pre-trained flood peak prediction model to obtain a flood peak prediction result, the prediction result comprising a maximum water depth spatial distribution of the target area; wherein the flood peak prediction model comprises a generation network constructed based on a conditional generative adversarial network, the generation network introducing a topographic attention mechanism and a multi-scale rainfall encoding mechanism in the process of generating the maximum water depth spatial distribution, and the topographic feature being a feature representation obtained by feature extraction on the topographic elevation data. The application can directly output the maximum water depth spatial distribution in the prediction stage, reduce the dependence on numerical simulation iteration, shorten the result acquisition period, and enhance the adaptability and output stability under different rainfall pattern scenarios.

The invention discloses a material flow self-adaptive control system in a condiment continuous proportioning process, and relates to the technical field of condiment proportioning control, and the material flow self-adaptive control system comprises a main conveying unit used for continuously conveying a liquid basic condiment; the at least one auxiliary material feeding unit is connected with the output pipeline of the main conveying unit in a converging manner and is used for continuously adding solid seasoning auxiliary materials into the liquid basic seasoning; the temperature detection unit is used for detecting the temperature of the liquid basic seasoning in real time; the controller is in signal connection with the main conveying unit, the auxiliary material feeding unit, the pressure detection unit, the flow detection unit, the auxiliary material flow detection device and the temperature detection unit; according to the invention, the rheological state of the main body material is sensed on line through coupling analysis of the pipeline pressure difference and the pump power signal, and according to dynamic feedforward compensation auxiliary material ratio setting, compound control is formed, so that the influence of natural fluctuation of the main body material characteristics on the mixing uniformity can be effectively and adaptively counteracted.

This invention discloses a hybrid high-precision power source control method and device integrating dynamic error cancellation technology, relating to the field of power metering and testing technology. The method first constructs an asymmetric heterogeneous hybrid power stage topology composed of a high-power IGBT inverter main stage and a high-frequency broadband linear auxiliary stage connected in parallel. Then, it utilizes an FPGA high-speed acquisition link to separate the comprehensive error signal, including dead-zone distortion and switching noise, in real time, and introduces an iterative learning control algorithm to establish a dead-zone inverse model reflecting the device characteristics. Subsequently, based on model prediction, a leading inverse cancellation command is generated to drive the linear auxiliary stage to inject a precision compensation current, performing nanosecond-level dynamic shaping and ripple cancellation on the main stage output. Simultaneously, by monitoring the load current amplitude, full-range adaptive operating condition switching is performed, locking the main stage under weak current conditions to avoid nonlinear interference. This invention, through master-slave collaborative control and dynamic error cancellation, effectively overcomes the bottleneck of traditional power sources' difficulty in simultaneously achieving high energy efficiency and high signal-to-noise ratio, completely eliminating zero-crossing distortion, ensuring output stability and high waveform fidelity across the entire range from microamps to hundreds of amps, and providing ideal standard signal support for power metering traceability.

The invention discloses a road state detection method based on zero sample open set learning, and adopts the following innovative scheme: a spatial semantic fusion module is provided, and semantic information can be directly embedded into a network model to enhance the target recognition capability; according to the module, the recognition performance of the model in different scene contexts is remarkably improved, so that accurate road surface state detection can be realized even in an extremely complex environment; according to the process, customized fine adjustment is carried out only for a small part of key parameters in the network, model weight updating can be completed under the extremely low data requirement, the model forgetting phenomenon is effectively relieved, new knowledge can be continuously absorbed, and the adaptability and deployment efficiency of the method are remarkably improved. The bounding box and the pixel-level mask are synchronously output, the mask module takes the bounding box as input, prediction is executed in a limited area, and robustness and output stability in a complex environment are effectively enhanced.

This invention relates to the field of geomagnetic vector measurement technology and proposes an in-situ rapid calibration method for a cubic magnetic gradient tensor measurement array. This invention utilizes a triaxial Helmholtz coil system to generate a constant magnetic field with random orientation and actively compensates for environmental magnetic drift. A hierarchical calibration algorithm is used to sequentially estimate sensor-level inherent errors and array-level alignment errors, and an evaluation framework based on tensor invariants is established to quantitatively analyze the calibration effect. Specifically, this includes: constructing a constant modulus random magnetic field, solving the hierarchical calibration algorithm, and evaluation and verification based on tensor invariants. This invention eliminates the need for mechanical array rotation, achieving in-situ rapid calibration in a static array state. It significantly suppresses pseudo-gradients introduced by channel inconsistencies, improving the stability of magnetic gradient tensor measurement by 3 to 5 orders of magnitude. It is applicable to magnetic anomaly detection and target localization scenarios in fields such as geological exploration, underwater tracking, and space magnetic surveying.

The application discloses a wide working field linear-rotary multi-port generator based on sea conditions and belongs to the technical field of magnetic gears and generators. The application is composed of a field modulation magnetic screw rod and a controllable multi-port generator. The field modulation magnetic screw rod converts low-speed linear motion of waves into high-speed rotary motion, thereby improving the power density of the direct-drive wave generator. By arranging a power winding and a control winding, the axial flux generator and the magnetic gear magnetic circuit are coupled, the air gap magnetic density is improved, the power density of the generator and the instantaneous power transmission capacity of the magnetic gear are increased, and the maximum power transmission capacity of the axial flux generator is improved through electric excitation, so that the wave range that can be captured in the working area of the device is effectively widened.