98results about How to "Guaranteed completeness" patented technology

The invention provides a test method and device, and the method comprises the steps: obtaining a code submission record; determining a code change file based on the code submission record; performing calling relation analysis on the code change file to determine a target interface influenced by code change; wherein the target interface is an externally exposed interface influenced by code change; searching a target test case associated with the target interface from existing test cases; and testing based on the target test case to obtain a test result. According to the method, the interface influenced by the code change is identified based on the code submission record, and the proper test case is searched from the existing test cases based on the influenced interface, so that the comprehensive coverage of the influenced area can be ensured, the test accuracy is improved, and the completeness of the test scene and the test quality can be ensured under the condition that the software complexity is increased.

The invention provides a deep space exploration task level demand analysis method, which comprises the steps of forming a task mission based on strategic planning, domestic and overseas trend development and engineering foundation; stage division and periodic task planning are carried out, benefit-related parties of the task are sorted, appeals of the benefit-related parties for the task are investigated, and a target system of the task is obtained based on task constraints; performing task scene analysis, task scene refinement, task capability analysis and task index analysis, and outputting a task capability system; carrying out capability clustering, capability index construction, system architecture design and system interface design to obtain a system architecture design model and a capability distribution model; and finally obtaining a deep space exploration task flow. According to the method, visual expression and analysis are carried out on deep space exploration mission and demands based on multiple views, initial design of deep space exploration mission tasks and system demands is achieved, then based on analysis of capability demands, a large system architecture is formed, initial logic design is completed, and finally a task-level demand model is formed.

The invention discloses an emergency training platform database dynamic management method and device and a storage medium, and relates to the technical field of database dynamic management, and the method comprises the following steps: carrying out the grading processing of files in a database according to the file size, and carrying out the encryption uplink processing after the grading processing is completed; establishing a user credible value calculation model, and dividing the access control authority; performing access management on the emergency training platform database based on the user credible value, the confidentiality level and the user level; the method and the device are used for solving the problem that in the prior art, files of different sizes cannot be efficiently and safely stored and accessed under the condition that a block chain and a database are combined, and meanwhile, the files can be safely accessed under different demand occasions.

The invention relates to an interrupt monitoring module verification system and method based on UVM verification methodology, an advanced verification platform integrating error injection, collection and check of an interrupt monitoring module is built through a SystemVerilog language, and the system comprises a basic test component, an instantiated peripheral, a Cortex-M microcontroller, a storage unit and the interrupt monitoring module to be verified. A real interrupt service program processing process is simulated through interaction of the peripheral and the Cortex-M microcontroller, so that the verification process of the interrupt monitoring module is more in line with a real use scene, meanwhile, the accuracy and completeness of verification of the interrupt monitoring module are guaranteed through combination of multiple scenes such as high randomness of a test case and error injection, and the verification efficiency of the interrupt monitoring module is improved. The synchronization of the interrupt monitoring module to be tested and the verification environment is realized with low configuration cost, and the verification efficiency of the interrupt monitoring module is greatly improved.

The invention discloses a scene combination-based dynamic diagram adjustment automatic test method and device, and the method comprises the steps: firstly defining a basic test scene, a basic diagram adjustment strategy and an influence condition of the test scene through a configuration file, and then generating an automatic generation test scene based on the basic test scene, the basic diagram adjustment strategy and the influence condition of the test scene. The method comprises the following steps: testing a running diagram, providing a corresponding diagram adjustment strategy for each test scene, taking the test scene and the diagram adjustment strategy as an input file for dynamically adjusting the running diagram, finally analyzing an ATS log based on the input file, analyzing the adjustment condition of the running diagram, and comparing with the diagram adjustment strategy in the corresponding scene to output a test conclusion. According to the method, the most full scene of the running diagram dynamic adjustment and the diagram adjustment strategy in the corresponding scene can be output, the automatic test of dynamic diagram adjustment is completed, and the completeness of the test scene and the test accuracy are ensured.

The invention provides a feeding structure for red copper tube processing, and relates to the technical field of red copper capillary tube processing equipment. A feeding structure for red copper pipe processing comprises a processing box body, a discharging box and a servo motor, the driving end of the servo motor penetrates through the side wall of the processing box body, extends into the processing box body and is fixedly connected with a driving wheel, the outer surface of the driving wheel is fixedly connected with a plurality of driving shafts, and the driving shafts are distributed in an annular array mode. In the initial process of feeding and the tail process of discharging, due to the existence of the buffering soft balls, the feeding roller rotates and oscillates in a small scale, feeding saturability and discharging completeness are guaranteed, machining accuracy is improved, when the feeding amount needs to be adjusted, only the working intensity of the servo motor needs to be controlled, the driving period needs to be changed, and the feeding device is convenient and fast to use.

The invention provides an OPC UA information model automatic construction method based on a knowledge graph and a large language model. The method comprises the steps of obtaining an unstructured industrial text, performing semantic analysis on the unstructured industrial text, and extracting a main body entity, an object entity, a method entity and attribute information thereof according to a predefined hierarchical tuple structure; calling an industrial field knowledge graph in real time to perform semantic enhancement on an extraction result; performing similarity calculation and evaluation on an enhanced result, and performing information fusion and duplicate removal based on a similarity evaluation result to obtain an entity-attribute set; generating a tree-shaped hierarchical structure framework by using a large language model, and calling a knowledge graph to perform structural integrity verification; semantic association between the entity-attribute set and the tree structure framework is analyzed, attributes and methods are mapped to corresponding structure nodes, and a mapping reasoning process is output in a natural language form; converting the mapped model structure into a format of XML (Extensive Makeup Language) grammar, and executing automatic compliance check and repair; by designing a progressive task chain of information extraction, semantic fusion, model construction, interpretable mapping and standardized output, a set of complete understanding-enhancement-construction-verification automation system is constructed.

The invention discloses a 3D point cloud detection algorithm of an embedded computing platform, which relates to the technical field of 3D point cloud detection, and comprises the following steps: S1, data processing; s2, performing pretreatment; s3, feature extraction; s4, hardware acceleration; s5, software optimization is carried out; s6, target detection; s7, post-processing; and S8, outputting and displaying. According to the 3D point cloud detection algorithm of the embedded computing platform, the parallel computing capability acceleration algorithm of the embedded GPU is utilized, the programmability of the FPGA is utilized to realize customized hardware acceleration, the signal processing capability of the DSP is utilized to carry out point cloud filtering and feature extraction, hardware acceleration is realized, information processing is ensured to be more timely, and in addition, through optimization of software, the calculation efficiency is improved. According to the technical scheme, the algorithm operation memory is sufficient, the situation that due to the fact that the memory is large, information processing is not smooth is avoided, in addition, through a voxel-based method, a point-based method and a projection-based method, features are extracted from point cloud data through the three methods, and the completeness of 3D information is ensured.

The invention relates to the technical field of laser cutting devices, in particular to laser cutting equipment for metal pipe fitting production. Comprising a first fixed shell; the double-shaft motor is fixedly connected to the first fixing shell; the multi-stage telescopic rod is rotationally connected to the first fixing shell, a blind hole is formed in the telescopic end of the multi-stage telescopic rod, and a second fixing shell is slidably connected into the blind hole in the telescopic end of the multi-stage telescopic rod; the supporting piece is fixedly connected to the second fixing shell; the rotating shaft is rotationally connected to the supporting piece, and the first connecting rod is provided with a laser cutter; and the plugging block is connected to the second fixing shell in a sliding manner. In the process of fixing the device and the corrugated pipe, the relative positions of the telescopic end of the multi-stage telescopic rod, the second fixing shell and the plugging block are changed, so that the distance between the laser cutter and the inner wall of the corrugated pipe is changed, a laser beam can be correctly focused on a cutting surface, additional measurement is not needed, and the working efficiency is improved. And the cutting efficiency of the metal pipe fitting is improved.

The invention relates to an environment configuration method and device, computer equipment and a readable storage medium. The method comprises the following steps: when version update of an application is detected, analyzing application mirror image version record data to obtain a current version and a dependency relationship of the application; the dependency relationship comprises applications depended by the applications; creating a namespace in the target cluster, and setting a resource quota of the namespace, the quota including a maximum value of a computing resource and a maximum value of a storage resource; and in the namespace, configuring the middleware corresponding to the application based on the current version and the dependency relationship of the application, and generating an application environment of the application. By the adoption of the method, response can be made in time when application version updating is detected, automatic deployment of the application environment is achieved, the efficiency and the accuracy degree of application environment building are remarkably improved, the stability and the synchronization degree of an application development environment are guaranteed, and a reliable data basis is provided for multi-version parallel development of applications.

The utility model relates to novel cow leather pressing and cutting equipment which comprises a machine frame, an adjustable installation frame is arranged on the machine frame, a base plate is fixedly connected to the adjustable installation frame, a pressing and cutting die cutter is arranged on the base plate, and a driving box is fixedly connected to the top end of the machine frame. A driving mechanism used for driving the pressing and cutting die cutter to move up and down is arranged in the driving box, a finished product conveying belt is arranged on the front side of the adjustable mounting frame, and material conveying roller sets are arranged on the portions, on the left side and the right side of the base plate, of the adjustable mounting frame. The cow leather pressing and cutting machine is reasonable in overall structural design, small in occupied area, easy to adapt to production line layout of small and medium-sized enterprises and capable of automatically pressing and cutting cow leather into needed shapes and sizes.

This invention belongs to the field of medical device technology, specifically relating to a nebulized inhalation device for treating pediatric pneumonia. The device includes a main body connected to a spray tube; an oxygen supply section including an oxygen cylinder, the outlet of which is connected to the spray tube; a spray section including a compressor, the outlet of which is connected to a mixing tank, which is connected to the spray tube; a feeding section including a medication cartridge connected to a delivery tube, which is connected to the mixing tank; and an adjustment section including a guide rod with a sealing plug at its lower end, a lifting rod inside the guide rod, and a U-shaped plug fixedly connected to its lower end, positioned above the delivery tube. This invention enables rapid mixing of medication and oxygen with the medication mist, allows for quick assembly and disassembly of the medication cartridge, and allows for flexible control of the dynamic and directional release of a specific medication during treatment, ensuring the comfort of the child during treatment.

The utility model relates to the technical field of laboratory analysis glassware, and discloses a dissolved oxygen bottle which comprises a bottle body, a bottle opening and a bottle plug used for sealing the bottle opening, a water sealing opening communicated with the bottle opening is arranged above the bottle opening, a water sealing belt is formed between the upper portion of the bottle plug and the water sealing opening, and a bottle cap arranged with the water sealing opening in a sealing mode is arranged outside the water sealing opening. The upper end of the bottle plug and the inner wall of the bottle cap are connected into a whole, a rubber sleeve is arranged outside the bottle cap, the rubber sleeve is connected with a lantern ring through a connecting belt, the lantern ring can be sleeved outside a bottle neck of the bottle body, and a water outlet is formed in the top of the bottle cap. The bottle plug and the bottle cap are combined into a whole, the bottle cap is wrapped by the rubber sleeve for protection, the bottle cap is prevented from being broken due to vibration and collision, the rubber sleeve is connected with the lantern ring on the bottle body through the connecting belt, the bottle plug, the bottle cap and the bottle body are guaranteed to be complete, and the problems that the bottle cap is lost and the bottle plug and the bottle cap are easy to use together are solved.

The application relates to the technical field of integrated circuit design, in particular to an RDL information push-down method for chip back-end design, which can filter out to-be-pushed-down information from top RDL information aggregation in a self-defined manner through configuration information, improves the flexibility of RDL information push-down, determines the RDL information content pushed to a target unit in a set graph operation mode, guarantees the completeness and reliability of the RDL information, and the set graph operation mode has higher calculation efficiency, so that the processing efficiency of the RDL information push-down is higher, that is, the reliability and efficiency of the RDL information push-down are improved.

According to the key power distribution signal real-time display and recording method, event driving and polling mechanisms are fused, equipment power distribution signal detection in automatic and manual modes is supported, and the completeness of equipment power distribution statistics is ensured; and constructing an equipment power distribution time data log by adopting the configuration file, counting and displaying accumulated power distribution duration based on a historical state statistical signal, and providing a data driving decision for equipment life prediction and preventive maintenance.

The utility model relates to a die-casting die for an aluminum shell, which comprises an upper die frame, a lower die frame and die feet, the upper die frame and the lower die frame are stacked up and down, an upper die core and a lower die core which are stacked up and down are arranged between the upper die frame and the lower die frame, and a die cavity structure is formed between the upper die core and the lower die core. Mold feet are installed on the lower end face of the lower mold frame, the left end and the right end of the mold cavity structure extend towards the front side to form a butt joint plate forming cavity, a sprue bush is installed at the front portion of the upper mold frame, and a sprue spreader cover plate and a sprue spreader base are installed at the lower end of the sprue bush. The sprue spreader cover plate and the sprue spreader base are arranged in an upper shoe stacking manner, a sprue structure in butt joint with the sprue bush is formed between the sprue spreader cover plate and the sprue spreader base, and two main runners extending to the front end of the mold cavity structure are symmetrically arranged on the rear side of the sprue structure. The utility model has the characteristics that the product quality is ensured, the product completeness is ensured, the molten aluminum channeling phenomenon is avoided, and the like.

The utility model belongs to the enamel technical field, concretely relates to a kind of automatic dip-coating equipment, including the feeding conveyor device, transfer dip-coating device, soaking device and discharging conveyor device sequentially arranged along the conveying direction;Soaking device is equipped with soaking cavity;Transfer dip-coating device includes dry lifting drive mechanism, transfer conveying mechanism and clamping mechanism;Dry lifting drive mechanism is connected to transfer conveying mechanism;Clamping mechanism is connected to dry lifting drive mechanism;The clamping end of clamping mechanism is arranged between soaking cavity and feeding conveyor device;And the clamping end of clamping mechanism is arranged between discharging conveyor device and soaking cavity.The utility model can reduce manual enamel soaking and manual feeding and discharging operation, and is favorable to ensure the completeness of enamel dip-coating;Therefore, it is favorable to improve enamel dip-coating quality and operation efficiency.

The invention relates to the field of food traceability, in particular to a food traceability system based on a block chain, and the system is provided with a feature storage module which is used for storing the packaging features of to-be-transported food; the package analysis module is used for analyzing the damage tendency characterization value of the inclusion in the transportation process based on the package characteristics of the to-be-transported food contained in the single inclusion in combination with the volume of the inclusion, and dividing the damage tendency risk category of the inclusion in the transportation process; the identification module is used for adaptively detecting each inclusion according to the damage tendency risk category; the tracing module is used for judging whether the food in the inclusion needs to be subjected to fragmentation detection or not based on the data label stored in the block chain for each inclusion; and the fragmentation detection module is used for scanning the food contour in the food package, identifying scattered food fragments and judging whether the food meets the fragmentation standard. The food traceability efficiency can be improved, the inclusion with risks can be positioned in time, and the intact degree and quality of the food are ensured.

The invention belongs to the technical field of electric wire use, and discloses an electric power line routing inspection device which comprises a routing inspection machine base assembly, a breaking arm assembly and a routing inspection camera assembly are arranged on the routing inspection machine base assembly, and a carrying follow-up type impact breaking structure is formed on the routing inspection machine base assembly. The breaking arm assembly forms a carrying follow-up brushing cleaning structure on the inspection machine base assembly, the inspection camera assembly forms a follow-up self-cleaning inspection camera shooting structure on the inspection machine base assembly during inspection along a power line, and the bottom of the unmanned aerial vehicle connecting arm is installed on the unmanned aerial vehicle through a bolt and a connecting base. When the inspection tour walks and rolls away, a first-stage impact crushing and second-stage brushing cleaning structure is formed, in this way, the power utilization safety and the power utilization transmission safety of subsequent power cable lines are fully guaranteed, meanwhile, the inspection tour camera assembly achieves self-cleaning of an inspection tour camera, and the inspection tour camera assembly is convenient to use. And on the other hand, continuous shooting inspection of the inspection camera is not blocked.

The present invention discloses a vertical fermentation tank and a method for making koji, including a vertical tank body, a feed inlet and a discharge outlet on the vertical tank body, a drain outlet arranged at the bottom of the vertical tank body, a drain valve installed on the drain outlet, and further including: a middle bottom: used for carrying fermented materials, a collection trough is arranged on the upper surface of the middle bottom, and a plurality of drainage holes are arranged on the collection trough; a screw propeller: used for spirally pushing the fermented materials to the discharge outlet, the screw propeller is assembled in the collection trough; the discharge outlet is arranged on the side wall of the vertical tank body, and is located in the extension direction of the screw propeller; a valve is installed on the discharge outlet. In one embodiment of the vertical fermentation tank of the present invention, full use is made of the three-dimensional space, which is conducive to the factory to upgrade the output based on the original land scale. Using a middle bottom with a collection trough and a screw propeller, it is convenient to take the petal koji, and all the materials can be dug.

The present application discloses a data backup method and system. The data backup method includes: a monitoring step: make morr ir regularly monitors the network load status; a caching step: when the source cluster receives new data and the network load status is high, the new data is cached in the etcd database of the make morr ir; an output step: when the network load status returns to normal, the new data in the etcd database is output to the target cluster. The present invention proposes a data backup method and system, which can automatically detect the network load status at that time through make morr ir, and write the cached data to the mirror etcd cluster after the load network returns to normal. In addition, synchronous replication can ensure the integrity and real-time performance of etcd cluster data, and semi-synchronous lossless replication can solve the problem of high dependence on io during etcd cluster synchronization, and solve the problem of cross-computer room data backup.

The utility model discloses a cutting waste collecting device which comprises a cutting platform, a collecting groove and a cutting assembly, a cross groove is formed in the upper end face of the cutting platform, a fixing frame is fixedly installed on the upper end face of the cutting platform, a rotating groove and an equipment groove are formed in the cutting platform, a screw rod is arranged in the rotating groove, and a screw rod is arranged in the equipment groove. A power mechanism connected with the screw rod is arranged in the equipment groove, the screw rod is sleeved with a nut in a threaded mode, a movable frame is arranged on the nut through an inserting mechanism, and an opening is formed in the movable frame. Through the arrangement of the fixed plate, the movable frame, the screw rod, the cross groove, the nut and the driving motor, the movable frame playing a role in positioning in the device can move after the positioning function is used, so that scraping and collecting operation of waste is achieved, the waste collecting device assembly is in linkage with a cutting equipment assembly, independent arrangement is not needed, and the waste collecting device assembly is convenient to use. And the simplification degree and the practicability of the device are ensured.

This invention provides a method for fisheye camera distortion correction. The method includes: transforming the coordinates of the distortion-free image from the pixel coordinate system to the camera coordinate system; normalizing the coordinates of the camera coordinate system using the absolute value of z; calculating the distance from the optical center of the image to the distortion-free projection point using the normalized coordinates; calculating the angle between the incident ray and the optical axis based on the distance; calculating the distance from the optical center of the image to the distortion projection point based on a model polynomial; deriving the coordinates of the distortion projection point based on similar triangles; and mapping the coordinates of the distortion projection point to the corrected image coordinates to obtain the corrected distortion-free image. The fisheye camera distortion correction method provided by this invention is an improvement on the existing OpenCV fisheye distortion correction model. It achieves the restoration of image information with a field of view greater than or equal to 180 degrees after distortion correction without additional steps or recalibrating intrinsic parameters, thus ensuring the completeness and effectiveness of the image information after distortion correction.

The invention relates to a UVM-based DMA communication UART module verification system and method, an advanced UVM verification platform integrating data sending, processing and checking is established, each integrated AHB and UART protocol component has good transportability, and an integrated UART configuration component is used for randomizing data and configuration and is matched with various test cases, so that the verification efficiency of the UART module is improved. The UART module verification supporting DMA communication based on the UVM verification methodology is realized, the verification completeness and accuracy are ensured, the verification flexibility is improved, the synchronization of the verification environment and the to-be-tested module is realized with relatively low configuration cost, and the verification efficiency is improved; meanwhile, the degree of freedom of the configuration options also improves the randomness of verification, so that the verification is more complete.

The invention relates to a fragment migration method for database middleware and computer equipment. In response to a migration event sent by the management and control node, entering an emigration persistence state, modifying and storing the state of a target fragment of an emigration node as an emigration state; if the emigration state is successfully stored, the state machine enters an emigration state and sends an emigration request to an emigration node, enters an immigration persistence state under the condition that an emigration success event is received, and modifies and stores the state of the target fragment as an immigration state; and if the immigration state is successfully stored, the state machine enters the immigration state, sends a first immigration request to the immigration node, enters a migration ending persistence state under the condition that a first immigration success event is received, and modifies and stores the state of the target fragment as a migration ending state. According to the embodiment of the invention, through the cooperative work of the state machine, the immigration node and the immigration node, the migration of the fragments between the service nodes is completed, the delay of the high-load service node is reduced, and the data access efficiency is improved.

The invention discloses a multilayer rigid-flex board efficient inner layer pad protection process, which comprises the steps of prefabricating an inner layer board and an outer layer board, and performing circuit manufacturing of the inner layer board; a covering film is attached to the outer surface of the inner-layer plate; printing a water-soluble ink layer at the position of a bonding pad of the inner-layer plate; printing a solder resist ink layer at the position of a bonding pad of the inner layer board, wherein the solder resist ink layer covers the water-soluble ink layer; the inner-layer plate and the outer-layer plate are laminated to form a finished product plate; drilling a communicating hole for conducting on the finished board; carrying out copper plating treatment on the finished board; manufacturing a circuit of the outer layer board; and removing the water-soluble ink layer and the solder resist ink layer on the bonding pad. According to the process, the manufacturing steps are simplified, and the manufacturing cost is reduced; a layer of water-soluble ink is used for protecting a bonding pad, then a layer of solder resist ink is printed on the water-soluble ink to guarantee the completeness of the water-soluble ink, finally, the solder resist ink is removed, the water-soluble ink is made to make contact with water and directly fall off, the problems that in the prior art, uncovering is abnormal, and process oil returning is not thorough are solved, and the yield is increased.

The embodiment of the utility model discloses a pole piece feeding mechanism which comprises a feeding linear module, a sliding table air cylinder, a pole piece adsorption assembly and a deviation rectifying assembly, the sliding table air cylinder is arranged on the feeding linear module, the pole piece adsorption assembly is arranged on the sliding table air cylinder, and the pole piece adsorption assembly comprises a rotating air cylinder, a vacuum suction cup and a suction plate A, the vacuum suction cup and the suction plate A are arranged on a piston rod of the rotating air cylinder, the deviation rectifying assembly comprises a cutting air cylinder, a cutter and a suction plate B used for adsorbing the deviated pole piece, and the cutting air cylinder drives the cutter to cut off the deviated pole piece. According to the utility model, the unfolded positive pole piece is adsorbed by adopting an adsorption carrying mode, and the pole piece is flatly carried to the vacuum belt cleaning table by combining various air cylinders and modules, so that the problems of introduction of impurities and oil stains and breakage of the pole piece can be avoided by adopting the adsorption carrying mode; and the smooth and self-cleaning positive pole piece is beneficial to subsequent high-purity recovery of lithium iron phosphate.

The invention discloses a stator coil detection system and method. The detection system comprises an upper computer unit, a power supply unit, a detection unit and a cooling unit, wherein the upper computer unit is used for generating a control signal; the power supply unit is connected with a control signal, and the power supply unit is used for generating a three-phase variable current; the detection unit is respectively connected with a control signal and a three-phase variable current, and the detection unit heats an internal stator coil according to the control signal and the three-phase variable current; and the cooling unit is connected with a control signal and is in heat conduction connection with the detection unit, and the cooling unit is used for cooling the stator coil in the detection unit according to the control signal. According to the stator coil detection system and method, the stator coil is detected at-40 DEG C to 180 DEG C, and the motor stator can be electrified and heated through the three-phase variable current, so that the motor stator is subjected to insulation durability detection in an electrified state, and the detection sufficiency is ensured.

The utility model provides a wireless communication sentry post training device, which belongs to the technical field of sentry post training devices and comprises a sentry post extension set body and a host machine body which are connected with a display screen, an internal telephone, an external telephone, an L-shaped rod, a wireless receiver and a control button. A storage box, a limiting sliding plate and a motor are arranged in the sentry post extension body, the storage box is connected with a supporting sliding strip and teeth, the limiting sliding plate is connected with a movable strip, a shifting block and a connecting block are arranged at the two ends of the movable strip, the connecting block is connected with a locking spring and a locking rod, and an ejector rod and a gear disc are arranged at one end of the motor. The beneficial effects of the utility model are that the integration degree and the intelligence degree of the whole device are ensured, scattered single equipment is avoided, the size is small, carrying and carrying are convenient, the practicability is improved, the relatively independent separation of the sentry body and ammunition is avoided, and the effective monitoring of personnel and guns and ammunition is improved while the effective management of the ammunition is ensured.

The invention provides a harmonic monitoring point distribution method, system and device and a medium, and the method comprises the steps: constructing an initial node observability matrix based on direct observability judgment; taking the observable zero-harmonic injection node as a starting point, and carrying out node indirect observability judgment in an iteration manner until no new observable zero-harmonic injection node exists; carrying out indirect observability judgment on the remaining unobservable zero-harmonic injection nodes, determining a newest node observability matrix, and outputting a final point distribution scheme until all the nodes are observable or reach a set point distribution termination condition; according to the method, on the basis of direct observability judgment, indirect observability judgment is carried out by taking a newly discovered zero-harmonic injection node as a starting point, so that the completeness of an analysis result is ensured, the search efficiency is greatly improved, rapid convergence can be realized, and a decision basis is provided for a subsequent output point distribution scheme; therefore, the harmonic state monitoring of the whole power distribution network covered by the least harmonic measuring devices is finally realized.