87 results about "Single scan" patented technology

The invention provides a multi-mode ultrasonic fusion pressure vessel weld defect nondestructive testing method and system, and relates to the technical field of nondestructive testing. According to the method, geometric parameters of a welding seam are obtained through three-dimensional laser scanning, and an optimal scanning parameter set is generated; driving ultrasonic phased array equipment to scan for one time and synchronously acquire shear wave full-matrix capture and longitudinal wave linear scanning data; performing energy flow angular spectrum analysis and envelope analysis on the bimodal data, extracting defect feature parameters and constructing a three-dimensional feature tensor; carrying out multi-dimensional feature fusion by adopting Tucker decomposition, and enhancing a core tensor through physical modeling; generating three types of defect indication diagrams including a defect existence possibility diagram, a defect relative scale diagram and a defect space orientation diagram from the enhanced feature tensor; and the three types of indication diagrams are visually presented for comprehensive interpretation of detection personnel. Through multi-modal data fusion and physical modeling enhancement, the defect identification accuracy and detection efficiency are remarkably improved, the false alarm rate is reduced, and reliable technical support is provided for pressure vessel welding seam safety detection.

The invention relates to the field of three-dimensional vision measurement, in particular to an aluminum alloy CNC product defect detection method and system based on structured light scanning. The aluminum alloy CNC product defect detection system based on structured light scanning comprises an image acquisition and analysis module, a self-adaptive illumination control module, a point cloud reconstruction module, a defect detection module and a report generation module. According to the method, through texture direction perception and matrix type light source dynamic angle modulation, and in combination with a light intensity-wavelength self-adaptive scheme of saturated pixel grading, mirror surface glare of the aluminum alloy high-reflection surface is greatly reduced; in cooperation with multi-exposure gray scale weighted fusion, a stripe image which is uniform in contrast and free of overexposure can be obtained in single scanning; in the same scanning time, compared with a fixed illumination scheme, the point cloud integrity rate can be improved, and a more reliable three-dimensional data basis is provided for subsequent defect detection.

The invention discloses a confocal full-Mueller matrix imaging device and method based on an optical fiber metasurface array, and belongs to the technical field of polarized optical imaging. The device comprises an optical fiber array multi-polarization illumination module, a sample scanning module, a scattered light transmission module, a metasurface array polarization modulation module and a polarized light intensity detection module. The polarization states of four beams of light are regulated and controlled through the optical fiber polarization controller, and four illumination focal spots in different polarization states are generated on a sample plane at the same time; sample scattered light is modulated by a polarization measurement metasurface array comprising four independent metasurface units, and the polarization state of each path of optical signals is projected to sixteen polarized light spots which are spatially separated; and finally, acquiring light spot intensity information by an area array detector, and reconstructing a full-Mueller matrix image of the sample through calculation. According to the invention, full-Mueller matrix information can be obtained through single scanning, and the device has the characteristics of high resolution, compact structure, good compatibility and the like, and can be used for multi-dimensional polarization microscopic analysis of samples.

The invention provides an image global modeling-oriented single-scan Mama feature extraction method and system, and the method comprises the steps: obtaining an input image, and extracting a multi-channel feature map with a channel dimension and a spatial dimension through convolution operation; state space modeling of single-time forward calculation is carried out on the multi-channel feature map so as to model the global dependency relationship between channels, and the state space modeling is achieved by carrying out matrix operation on features obtained after space dimension flattening and a channel interaction matrix built based on state space model parameters; and outputting the feature map after global dependency modeling, and applying the feature map to a downstream vision task. According to the method, redundant calculation caused by multiple times of space scanning is eliminated, the model structure is simplified, and the calculation complexity and reasoning delay are remarkably reduced while the downstream task performance such as image classification is ensured.

The invention discloses a phase-free antenna measurement method, a phase-free antenna measurement system and a storage medium. The phase-free antenna measurement method comprises the following steps: constructing a measurement system comprising an antenna to be measured, a measurement probe, a fixed auxiliary reference antenna and software defined radio; the probe is controlled to move and sample on the scanning plane, and the SDR synchronously collects receiving signals of the probe and the reference antenna; based on the frequency domain transformation result of the two paths of signals, the radiation field amplitude of each sampling point and the relative phase relative to the reference antenna are directly calculated through non-iterative operation, so that complete complex electric field distribution on the scanning plane is reconstructed; and finally, obtaining a far-field directional diagram through near-field-far-field transformation. The fixed reference antenna is introduced to serve as a phase reference, synchronous acquisition and direct calculation are achieved in combination with the SDR, the antenna radiation field can be rapidly and accurately recovered without direct phase measurement or complex iteration in the single scanning plane and single scanning process, and the method has the advantages of being simple in system, high in measurement efficiency and high in signal drift resistance.

This invention discloses a method for automatically and non-destructively extracting soybean plant phenotypes, comprising: acquiring soybean plant images; inputting the soybean plant images into a pre-trained YOLOv5s-S neural network model to identify pod regions and stem regions; obtaining coordinate information of pods and stems; obtaining the number of pods based on the pod coordinate information; and using the trained U... 2 The Net neural network model performs semantic segmentation on soybean plant images to obtain pseudo-color segmentation maps. The soybean plant images are then binarized to obtain binarized images. The pseudo-color segmentation maps and binarized images are superimposed, and an A*-based path search algorithm is used to process the superimposed image to obtain plant height, number of effective branches, and branch length. This invention's method for automatically and non-destructively extracting soybean plant phenotypes can calculate the number of pods, identify all effective branches, and measure plant height and branch length in a single scan, achieving satisfactory accuracy.

A method for determining a magnetic field azimuth angle of a CPT magnetometer by using deep learning establishes spectrum-azimuth angle nonlinear mapping by using an end-to-end training strategy, is beneficial for realizing high-precision determination of the magnetic field azimuth angle, and comprises the following steps: generating elliptical multicolor laser by using a light path system configured on the CPT magnetometer; step 2, scanning the multi-color laser, passing through a gas chamber in a magnetic field, adjusting the azimuth angle of the magnetic field, and collecting an electromagnetic induction transparent EIT spectrum data set with a label; dividing the spectral data set into single scanning EIT spectral data, and performing standardization, data length normalization and label normalization processing to form a preprocessed labeled spectral data set; training a 1D-ResNet deep learning network by using the preprocessed labeled spectral data set, and establishing a nonlinear mapping relation between an end-to-end magnetic field azimuth angle and a spectrum; and inputting a spectral signal of an unknown magnetic field azimuth angle into the trained 1D-ResNet deep learning network to realize measurement of the magnetic field azimuth angle corresponding to the spectral signal.

A scribing method for grain-oriented electrical steel with heat-resistant laser-scribing, comprising: outputting a pulsed laser in burst mode, and forming parallel line-shaped grooves (2) on a surface of a grain-oriented electrical steel sheet (1) by means of a single scan, the grooves (2) having a depth of 15-45 μm and a width of 5-15 μm. The method allows for narrow and deep grooves (2) to be formed on a surface of a steel sheet by means of a single scan, so as to obtain grain-oriented electrical steel having a low core loss and a high magnetic flux density, wherein the core loss P17 / 50 of the grain-oriented electrical steel is less than 0.780 W / kg, the magnetic flux density B8 of the grain-oriented electrical steel is greater than 1.920 T, and a stacking factor of the grain-oriented electrical steel is greater than or equal to 95.5%. The present invention also relates to grain-oriented electrical steel with heat-resistant laser-scribing.

The invention discloses a built-in kerf microstructure inflation actuator based on an electrostatic adsorption film and a preparation method and application of the built-in kerf microstructure inflation actuator. The method comprises the following steps: 1) taking at least two layers of thermoplastic plastic films with electrostatic self-adhesion characteristics, laminating the thermoplastic plastic films together, and enabling the adjacent layers of films to be tightly attached by utilizing electrostatic adsorption force between the films; and 2) placing the multi-layer film obtained in the step 1) on a workbench of a laser cutting machine, controlling a laser beam to perform single scanning according to a preset kirgami paper-cut two-dimensional pattern path, and regulating and controlling laser parameters to synchronously complete cutting of the multi-layer film to form a notch and hot melting welding along the edge of the cutting path to form a sealing welding seam in the single scanning process of laser, and the inflation actuator in an uninflated state is obtained. According to the manufacturing method, a cross-scale film inflation structure with an ultra-narrow edge welding seam and a complex internal paper-cut structure can be manufactured, the sensing function can be seamlessly integrated, and a flexible system with the structure, sensing and driving highly integrated is obtained.

The application discloses a confocal full Mueller matrix imaging device and method based on a fiber super surface array, and belongs to the technical field of polarized optical imaging. The device comprises a fiber array multi-polarization illumination module, a sample scanning module, a scattered light transmission module, a super surface array polarization modulation module and a polarized light intensity detection module. The polarization state of four beams of light is regulated by a fiber polarization controller, and four illumination focal spots with different polarization states are generated simultaneously on a sample plane. The sample scattered light is modulated by a polarization measurement super surface array comprising four independent super surface units, and the polarization state of each light signal is projected onto sixteen spatially separated polarized light spots. Finally, the light spot intensity information is collected by a surface array detector, and the full Mueller matrix image of the sample is reconstructed by calculation. The application realizes the acquisition of full Mueller matrix information in a single scan, has the characteristics of high resolution, compact structure and good compatibility, and can be used for multi-dimensional polarization microscopic analysis of samples.

The invention discloses an off-line navigation system for a flexible afterloading source applicator in a rectum cavity, which comprises data processing equipment and a flexible afterloading source applicator for off-line navigation in the rectum cavity, the source applicator comprises a flexible source applicator main body, a space positioning identifier and a deformation sensing module, and an axial graduated scale and a circumferential reference identifier are arranged on the surface of a flexible shell of the source applicator; and four groups of U-shaped turn-back resistance wire type strain sensors are orthogonally embedded and fixed in the inner circumferential direction of the sensor. The physiological bending and unexpected torsion distortion of the source applicator are accurately decoupled and monitored through the tension and pressure differential signal and the neutral surface resistance change, and the accurate positioning of the source applicator is realized from a physical bottom layer through the physical criterion of a 3% steady-state early warning threshold. Patients only need to be subjected to single-time CT scanning filing during first treatment, and accurate registration can be achieved by means of internal and external feature cross validation of physical dimensions in subsequent treatment. Therefore, the waiting time of single treatment is greatly shortened, accumulated radiation toxic and side effects of patients are remarkably reduced, and the operation load of large-scale image equipment in hospitals is greatly released.

The invention relates to a magnetic resonance imaging method and device. The method comprises the following steps: performing magnetic resonance scanning on a target object according to a preset sampling track to obtain multi-phase original scanning data of the target object; the original scanning data of different periods comprises scanning data of different slice layers of the target object; determining a coil sensitivity graph according to the original scanning data of each phase, and reconstructing the original scanning data of each phase according to the coil sensitivity graph to obtain a multi-phase scanning image of the target object; and performing magnetic resonance imaging based on the multi-phase scanning image. According to the method, the static high-definition imaging requirement and the dynamic high-definition imaging requirement can be met at the same time through one scanning process, and the multi-phase scanning image obtained through reconstruction can be suitable for various different imaging modes, so that magnetic resonance images in different imaging modes are obtained; the magnetic resonance imaging efficiency can be improved, and the magnetic resonance imaging effect can also be improved.

A computer-implemented system, method, and medium of automated milling machine calibration includes receiving a 3D virtual calibration design comprising one or more designed indented regions and a designed curved region; milling the 3D virtual calibration design into a physical block to provide a 3D physical milled calibration block; receiving a 3D virtual calibration scan block of the 3D physical milled calibration block; and determining one or more calibration parameters from the 3D virtual calibration scan block.

This invention discloses a method and terminal for studying the characteristics of low-voltage indicators. The method receives indicators related to low voltage to be analyzed; searches a dataset to find all items containing the indicators, forming an itemset; determines the indicator data corresponding to each indicator in the itemset; and splits the indicator data corresponding to each indicator in the itemset so that the ranges of any two indicator data corresponding to each indicator do not overlap, forming a split itemset; and uses an improved Apriori algorithm to determine indicators strongly correlated with low voltage based on the split itemset. In the improved Apriori algorithm, all candidate itemsets are first determined based on the split itemset, and then support is calculated for all candidate itemsets in a single scan of the split itemset. The accuracy and efficiency of low-voltage indicator correlation analysis are ensured through data splitting and a reduction in the number of adaptive scans.

The invention relates to the technical field of air cylinder maintenance, in particular to an aluminum thin-wall air cylinder barrel maintenance method which comprises the steps that a cylinder barrel is fixed, and a damaged area on the inner wall of the cylinder barrel is cleaned; the damaged area of the cylinder barrel is polished; multiple rounds of flame scanning are conducted on the grinding area, and the single-time scanning time is decreased progressively along with increase of the scanning frequency; cleaning and drying the heating area; the damaged area is coated with a filling agent and cured; and after first-time curing, grinding is carried out through raw abrasive paper till the piston is not blocked in push-pull, after second-time curing, grinding is carried out through fine abrasive paper till the piston is flush with an undamaged area, and after third-time curing, grinding is carried out through water wet polishing abrasive paper till the set roughness range is achieved. The limitation that the thin-wall cylinder barrel cannot be repaired after being damaged and deformed due to the thin cylinder wall is broken through, the maintenance working efficiency can be effectively improved, the maintenance time is shortened, and the maintenance cost is saved.

The application discloses a gas magnetic resonance method for rapid measurement of lung gas exchange function, and utilizes a SA-CSIR pulse sequence to collect hyperpolarized 129 Xe magnetic resonance spectrum data; when hyperpolarized 129 Xe signals exist in three magnetic resonance signals in the lung of a subject, a relationship between signal strength of a plasma signal and exchange time t and a relationship between signal strength of a red blood cell signal and exchange time t are constructed based on a gas-blood exchange model proposed in the application, and finally, gas exchange function parameters of the lung of the subject are extracted through fitting; the application can acquire data of multiple exchange time points in a single scan, significantly shortens data acquisition time, improves sampling speed, and realizes rapid evaluation of lung gas exchange function; compared with a traditional CSSR technology, the application method can obtain a higher signal-to-noise ratio at a small exchange time, thereby improving evaluation accuracy.

This invention discloses a method for detecting internal defects in concrete based on array ultrasonic imaging, belonging to the field of concrete internal defect detection technology. The method includes the following steps: S1, arranging two or more ultrasonic phased array probes on the surface of the concrete structure to be inspected. Each ultrasonic phased array probe contains multiple independently controllable piezoelectric crystal units for omnidirectional measurement of the concrete structure. This method for detecting internal defects in concrete based on array ultrasonic imaging, by employing ultrasonic phased array technology, achieves electronic deflection and focusing of the sound beam without mechanically moving the probe. Combined with full-matrix capture and synthetic aperture focusing algorithms, it can quickly acquire high signal-to-noise ratio, high-resolution two-dimensional / three-dimensional images in a single scan. This not only increases the detection speed by 3-5 times but also effectively overcomes the "forest-like echo" interference caused by aggregate scattering in traditional single-channel ultrasound, significantly improving the detection rate and positioning accuracy of minute defects (such as fine cracks and local segregation).

This invention discloses a method, system, and storage medium for frequent itemset mining. It requires only a single scan of the transaction database, eliminating the need to sort frequent itemsets in descending order of their support counts or to reorder the items in the transaction database. Even after data is added to the database, there's no need to restart; instead, new transaction items are directly inserted into the existing pattern heap using the algorithm proposed in this invention, incrementally constructing a new pattern heap before rule mining. The invention includes: acquiring a database containing at least one transaction, where each transaction contains at least one data item; scanning the database and dynamically generating a database pattern heap based on the transaction's data items and a preset pattern heap; recursively pruning the heap nodes of the database pattern heap based on a preset minimum support to obtain a frequent pattern heap; and determining frequent itemsets based on the frequent pattern heap mining.

The application provides a multi-mode scan unit, a side scan chain circuit and a bidirectional scan chain circuit, and relates to the technical field of digital circuits.The application provides a multi-mode scan unit, which realizes the switching of a function mode, a test mode and a diagnosis mode through different voltage levels of a single scan enable signal.The design uses a method of combining a diagnostic device with a double multiplexer, reduces the demand for global signals, simplifies the control logic, reduces the layout and wiring complexity, optimizes the test and diagnosis efficiency, and improves the accuracy of fault diagnosis.The application also provides a side scan chain circuit and a bidirectional scan chain circuit based on the multi-mode scan unit, optimizes the scan chain structure, and reduces the use of global signals.In particular, the side scan chain is used to realize the transmission of scan data to the side, and the bidirectional scan chain supports the bidirectional loading and unloading of scan data, both of which improve the diagnosis efficiency and accuracy, and enhance the circuit stability and test flexibility.

Provided is a laser processing aid with which, in surface treatment employing a laser beam that is scanned over a workpiece, surface treatment of a peripheral surface of the workpiece is performed efficiently, the laser processing aid assisting the surface treatment employing the laser beam that is scanned over the workpiece, and being provided with a cylindrical main body portion which has one end surface serving as a placement surface and inside which the workpiece can be placed, wherein: an inner peripheral surface of the main body portion is an inclined surface that expands diametrically from the one end surface side toward the other end surface side; the inclined surface is a mirror surface that reflects laser light; and with a single scan of the laser light that is radiated onto the workpiece, it is possible to perform surface treatment of the upper surface side of the workpiece by means of the laser light that is radiated directly at the workpiece, and surface treatment of the peripheral surface of the workpiece by means of the laser light that is reflected by the mirror surface.

This invention discloses a method for characterizing the interface orientation of polycrystalline materials, belonging to the field of crystallography and materials characterization technology. The method involves depositing a protective layer on the target interface using a focused ion beam followed by etching, and acquiring scan images of the sample surface and the etched surface. The angles between the interface traces on the sample surface and the etched surface and the sample coordinate system are measured. After manually tilting and correcting the angle measured on one side, the interface normal is calculated using the cross product of the direction vectors of the traces on the sample surface and the etched surface. This method eliminates the need for multiple sample rotations, acquiring all required data in a single scan, thus significantly improving characterization efficiency. It is suitable for large-scale automated interface orientation measurement, providing strong technical support for the study of the microscopic mechanisms of polycrystalline materials.

The invention discloses a bone mineral density measuring system and method.The bone mineral density measuring system comprises a support module, an X-ray generating module, a detector module and a processing module.The support module is used for carrying a host to move to a target position; the X-ray generation module adopts a PWM mode to control a high-voltage generator to carry out high-low voltage switching, the voltage and current of an X-ray tube are adjusted, X-rays are rapidly output, and the X-rays irradiate and penetrate through the forearm of a patient. According to the bone mineral density measuring system and method, the PWM control high-low energy X-ray rapid switching technology and the large-size detector are adopted, so that the detector can synchronously capture the attenuation difference of the bone to different energy rays in single scanning, the imaging time is shortened, full coverage of a key area at the far end of the forearm is ensured, and the accuracy of bone mineral density measurement is improved. The image resolution and the micro-structure capturing capacity are improved, meanwhile, positioning errors caused by forearm positioning deviation or shaking during shooting are eliminated, and the accuracy and reliability of diagnosis results are improved.

A scan reset control circuit includes a single scan reset input configured to receive a reset signal, a plurality of scan reset outputs configured to be coupled to a plurality of circuit blocks in a one-to-one ratio, a plurality of writable non-scan test data registers including register outputs configured to assert or deassert the reset signal, and a plurality of reset enable circuits coupled to the plurality of scan reset outputs in a one-to-one ratio. Each of the scan reset outputs is configured to simultaneously reset a set of scan flip-flops of the corresponding circuit block. Each of the plurality of reset enable circuits includes an input coupled to the single scan reset input, a selector input coupled to the register outputs, and an output coupled to the corresponding scan reset output.

This invention discloses a dual-laser composite processing system and method for scanning and rotating surface treatment. The dual-laser composite processing system includes a rotating laser processing unit, a laser scanning processing unit, a machine vision inspection unit, a motion generation unit, a vibration generation unit, and a control unit. The control unit is connected to the rotating laser processing unit, the laser scanning processing unit, the motion generation unit, the vibration generation unit, and the machine vision inspection unit. The dual-laser composite processing system and method for scanning and rotating surface treatment provided by this invention utilizes a modulated light spot (such as a linear light spot) to achieve uniform energy intensity distribution within the light spot, while simultaneously performing high-speed scanning. This can be further combined with high-speed rotational motion to achieve high-speed scanning processing using a rotating galvanometer, allowing a large area to be covered in a single scan.

This application discloses a dual-channel image acquisition and processing method and a local on-orbit programming method based on a System-on-Chip (SOC). A first SOC processing unit acquires visible light images, and a second SOC processing unit acquires short-wave infrared images; both undergo preprocessing, target extraction, and JPEG compression. Both processing units utilize heterogeneous SOC chips with integrated RISC-V CPUs and FPGAs, and are independently equipped with DDR3 and SPI NOR Flash. The FPGA integrates connected component labeling and centroid extraction modules, employing a single-scan algorithm for parallel processing and directly outputting centroid coordinates at the end of a single frame scan. Local on-orbit programming uses function-level BIN splitting and CRC comparison, only programming the change modules. JPEG compression adjusts image parameters through configuration registers and automatically reloads the quantization table. This application achieves parallel acquisition of visible and infrared light, real-time centroid extraction, incremental programming, and flexible compression, suitable for aerospace attitude control and remote sensing imaging.

The application provides a single-scan Mamba feature extraction method and system for image global modeling, comprising: acquiring an input image, extracting a multi-channel feature map with a channel dimension and a spatial dimension through a convolution operation; performing state space modeling of single forward calculation on the multi-channel feature map to model the global dependency relationship between channels, wherein the state space modeling is realized by performing matrix operation on the feature after spatial dimension flattening and a channel interaction matrix constructed based on state space model parameters; and outputting the feature map after global dependency modeling, and applying the feature map to a downstream visual task. The application eliminates redundant calculation caused by multiple spatial scans, simplifies the model structure, ensures the performance of image classification and other downstream tasks, and significantly reduces the computational complexity and inference delay.

The application discloses a resident printing method and device based on different concentration curves, equipment and medium, and relates to the field of inkjet printing technology.The method determines the average effective height of a single nozzle according to the number of overlapping nozzles, obtains a first step height according to the average effective height of the single nozzle, determines a first preset concentration curve and a second preset concentration according to the first step height, controls the nozzle group to scan ink along the main scanning direction according to the single scanning image data and the preset concentration curve, moves a distance of the first step height along the sub-scanning direction, and then scans ink along the main scanning direction according to the single scanning image data and the preset concentration curve again.The application splits the image data of each PASS in the resident printing into two times of printing according to different preset concentration curves, which is equivalent to feathering the printing area corresponding to each PASS, especially the splicing area of the nozzle, reduces the splicing path overlapping problem in the resident printing, and improves the image printing quality.

The application discloses a kind of surface defect three-dimensional positioning and visualization method and device based on multi-view fusion;The application realizes the accurate positioning of defect in world coordinate system by the back projection calculation of two-dimensional pixel coordinates and camera pose combination;Secondly, the DBSCAN clustering algorithm is introduced to automatically remove the defect points observed by multi-view, so that the same defect from different angles can be effectively identified and merged, the accuracy of defect counting is improved, and the clustering algorithm does not need to specify the number of clusters in advance, has strong anti-noise interference ability, can improve the clustering accuracy, and can accurately distinguish different defect points;Finally, the application innovatively generates defect distribution model graph and detection coverage display model graph, and carries out visual display;Based on this, not only the real three-dimensional distribution of defect on the surface of object can be intuitively presented, which can assist quality analysis, but also the coverage range of single scanning can be accurately quantified and displayed.

Methods, systems, and software are provided for generating quantitative maps and synthetic parameter-weighted images using time-resolved magnetic resonance fingerprinting. The subject methods simultaneously measure multiple quantitative parameters, including T1, T2, T2*, and proton density along with quantitative susceptibility mapping, and can generate multiple synthetic parameter-weighted images, including T1-weighted, T2-weighted, proton density-weighted, and susceptibility-weighted images from a single scan. Time-resolved magnetic resonance fingerprinting schemes are provided to implement an accelerated echo planar sampling of a hybrid space spanned by the phase encoding dimension and the temporal dimension. T2* quantification is added with minimal extra scan time, which also enables simultaneous quantitative susceptibility mapping and synthetic T2* weighted / susceptibility weighted imaging. Multi-parametric quantification can be acquired from time-resolved magnetic resonance fingerprinting within the time of a single breath-hold of a subject, which greatly reduces the impact of inspiration motion.

The invention relates to the technical field of wire detection, and particularly discloses an X-ray imaging detection device for a four-bundle power transmission line, which comprises a walking mechanism, a first lifting mechanism, a second lifting mechanism, a distance adjusting mechanism and a detection mechanism, the four X-ray emitting devices and the four imaging plates are arranged, full-coverage detection can be conducted on the upper row and the lower row of power transmission lines of the four-split power transmission line at the same time, the detection task which can only be achieved through four times of adjustment of traditional equipment can be completed through single-time scanning, and efficiency is remarkably improved. Through the combined design of the second lifting mechanism and the distance adjusting mechanism, the radiation source and the imaging plate can adapt to power transmission line groups with different heights and distances, and manual repeated calibration is avoided. Besides, the independent working mode of the first detection area and the second detection area not only can realize synchronous detection of upper and lower power transmission lines, but also can perform directional reinspection of a single-row power transmission line by closing part of the radiation sources, and the detection efficiency and the flexibility are both considered.