63results about How to "Break through the limitations" patented technology

The invention relates to a cascaded neural network-based face recognition method. The method comprises the following steps that: a) a training-used face images set is established; b) key points of each face image are detected; c) key point information is utilized to normalized the images into standard gray-value images; d) the standard face images are subjected to gray value statistics normalization; E) a depth neural network is trained, and input is a pair of images, and outputted 0 indicates that the two images are judged as a negative case pair, and outputted 1 indicates that the two images are a positive case pair; f) all image pairs are inputted into the neural network, and the proportion of negative case pairs which are wrongly judged as 1 is made to be lower than a given proportion; g); the step e) is repeatedly used; f), the total number of networks achieves a predetermined number, the method is terminated; and h) any pair of new face images is given, and an obtained cascaded neural network is utilized to judge whether the one pair of new face images is a negative case pair or a positive case pair. With the cascaded neural network-based face recognition method of the invention adopted, the recognition rate of face recognition can be effectively improved, and wrong recognition rate can be greatly reduced, and the reliability of a security monitoring system can be greatly improved.

The invention provides a space plant culture device comprising a culture box which is partitioned into a left chamber and a right chamber via a longitudinal partition. The left chamber is provided with an upper layer and a lower layer, an azolla moist cultivation tray is arranged on the upper layer, a vegetable moist cultivation tray is arranged on the lower layer, the right chamber is provided with a seedling cultivation tray, an LED lamp panel is arranged above the azolla moist cultivation tray, the vegetable moist cultivation tray and the seedling cultivation tray, and the right chamber is further provided with a bag-type solution collecting box used for providing a culture solution and a peristaltic pump used for driving the culture solution to flow. The space plant culture device is provided with a plant culture solution supply system, an LED illumination system and a monitoring system which are complete and needed for growth of azolla and short small salad vegetables in the whole growth period, on-line parameter setting, automatic record storing and intelligent system controlling can be realized, population, individual photosynthetic efficiency and biological-yield efficient production cycle of the plants as well as change rules in space microgravity environment of the plants can be researched, and requirements on spatial scientific experiments and space station key technology experiments can be met.

The invention discloses a registration information self-help acquisition equipment and a method thereof. The registration information self-help acquisition equipment comprises a frame body, a machine case, a main control plate, a camera device, an infrared sensor, a light module, a payment module, a printing module, a fingerprint collector, a certificate identifier, a touch display screen, a communication module, and a power source. The registration information self-help acquisition method has integrated functions of self-help shooting and printing, accepting information, and remote submitting, traditional photographic service and window registration service are integrated, registration information of photo, fingerprints, and identity information and the like is collected and material is submitted in real time and at a remote distance. Registration information self-help acceptance is completed at one time, the registration information self-help acquisition equipment can be connected with the present registration service as a numeral pre-acceptance terminal and also can be conveniently directly dispaced in public places of a supermarket, subway, a shopping mall, and an E-government service hall and the like as a registration self-help terminal. Limitation that traditional certificate photos have to be taken in a photo studio is broken, and the problem that the masses registration needs to be accepted in a registration hall is solved.

The invention discloses an increment ionosphere refraction error correction method which is applied to a GNSS single-frequency user. The method comprises a monitoring station utilizes ionosphere model parameters broadcasted by a GNSS system itself to calculate ionosphere vertical TEC1, and meanwhile, utilizes double-frequency observation data to calculate ionosphere vertical TEC2, and difference value [delta] TEC between the TEC1 and the TEC2 is obtained; a plurality of monitoring stations transmit the [delta] TECs of themselves to a master control station through a communication link; the master control station receives each [delta] TEC, establishes an ionosphere increment variation model, obtains ionosphere increment variation model broadcast parameters a, b and c in a region, and transmits and broadcasts the a, b and c to the user through a broadcast link; a user receiver receives a navigation signal and the a, b and c, utilizes the ionosphere model parameters broadcasted by the GNSS system itself to calculate TEC <GNSS>, utilizes the a, b and c to estimate optimum estimation value (shown in the specification ) of the ionosphere increment through a common Kriging algorithm, and adds the TEC <GNSS> with the optimum estimation value (shown in the specification ) to obtain TEC ; and the TEC is utilized to calculate ionosphere addition time delay, so that high-precision ionosphere refraction error correction for the GNSS single-frequency user is realized.

The present invention provides an intelligent mobile device-based foresight cognitive function evaluation system. The system comprises a data collection sub-system and a data management sub-system. The data collection sub-system comprises a task unit. The task unit comprises a task creation module for creating a task by a testee and recording basic information and emotion information, a to-be-complete task module for executing an incomplete task by the testee, and a completed task module for executing the completed task by the testee. The data management sub-system comprises a task management unit and a foresight cognitive function evaluation unit. The task management unit comprises a task list module, a task operation statistical module and a prompt clue setting module. The foresight cognitive function evaluation unit comprises a foresight memory capability evaluation module and an emotion prediction capability evaluation module. The present invention further provides an intelligent mobile device-based foresight cognitive function evaluation method.

The invention discloses an accelerated life test-based ammunition storage reliability prediction method. The invention aims to mainly improve the prediction accuracy of the reliability of ammunition storage and solve the problems of large calculation amount and difficulty in guaranteeing the prediction accuracy of small sample data of a traditional prediction method. The method of the invention includes the following planning steps that: an improved global particle swarm optimization-BP neural network model (IGPSO-BP model) is established for an accelerated life test data set, particle positions in a particle swarm optimization algorithm are defined as weights and thresholds in a BP neural network; optimized network weight parameters are obtained through a process of finding optimal particle positions, and the global search ability of the particle swarm optimization algorithm is utilized to the greatest extent, and the local search ability of the BP neural network is fully utilized; and an indirect method is used to predict the reliability of the ammunition storage. With the method of the invention adopted, test time can be shortened, a calculation process is simple, the specific life distribution type of an ammunition product and the specific function relationship of the specific life distribution type are not needed to be analyzed, and limitations of the traditional prediction method can be broken.

The invention discloses a material distributing method and device of micro powder carving of a polished tile. A computer carving machine and a powder screen printer which can be respectively moved above a mold cavity are additionally arranged in a secondary material distributing device. According to the traditional secondary material distributing method, fabrics are arranged in the mold cavity in a distributing mode, line patterns are carved on the fabrics through the computer carving machine, the screen printing technology is then utilized to fill toner materials into carved lines, base backing materials are arranged on the fabrics in a distributing mode, and finally, an adobe is pressed and manufactured in a smooth mode. Due to the fact that the computer carving machine is utilized to carve the patterns, the patterns are accurately positioned, the edges of the lines are clear, and effects of elaboration and lifelikeness are achieved. The powder materials of different colors are filled into the line positions which are carved to be vacant, preset patterns of a screen are meshed with the powder material carving patterns with the screen printing method, therefore, the line patterns of which borders are clear are obtained, the filling quantity of the powder materials can be greatly reduced, raised dust of the powder materials is avoided, and the occupation environment is obviously improved.

The invention discloses a bionic shell-type breathing monitoring friction nano-generator and a preparation method thereof, and relates to the field of energy collection technology, micro-electro-mechanical system and breathing monitoring. The friction nano-generator is arranged as a bionic shell-type structure of which one end is adhered and fixed and the other end swings with the air flow, the driving range of the breathing behavior is enabled to be larger, the sensitivity of breathing monitoring can be enhanced, and self-energizing breathing behavior monitoring can be realized by making fulluse of micro-energy of breathing airflow, Compared with the conventional breathing monitoring sensor, the external power supply system is not required, and the bionic shell-type breathing monitoringfriction nano-generator has the advantages of simple structure, stable output signal, convenient carrying, low material requirement, low processing cost, mass production, easy installation and the like and has great application prospect in the field of breathing monitoring.

The invention relates to the field of manufacturing of a connecting rod, in particular to a manufacturing method of a splitting-type connecting rod. The connecting rod is produced by using a casting process or a casting-forging combined process. In casting, a proper material is arranged at an interface (3) of the large head part of a connecting rod cavity so that the proper material interacts with metal liquid and a splitting interface is formed after cooling; expansion load is applied into a large head hole of the connecting rod so that a connecting rod body (2) and a connecting rod cover (4) are ruptured and split along the prefabricated splitting interface, mutually meshed interlocking structures are formed on the rupture surfaces so that the connecting rod body and the connecting rod cover have excellent meshing performance and resetting characteristic and can be assembled together accurately. The manufacturing method of a connecting rod can break through the limitation in connecting rod materials from the splitting technology, so that the splitting technology can be applied to the manufacturing of connecting rods made of materials such as aluminium alloy, titanium alloy, 40 Cr steel, and the problems existing in the practical splitting technology, such as tearing of the large head of the connecting rod, splitting failure, residue falling and rupture surface deformation, can be improved effectively.

The invention provides an apparatus and method for detecting gas by using modulation absorption spectroscopy based on a broadband infrared light source. The apparatus comprises a constant-current driving module, the broadband infrared light source, a first convex lens, a gas chamber, a gas inlet pipe, a gas outlet pipe, a second convex lens, a pressure controller, a gas pump, a raster module, a PZT, a PZT driving module, a detector, a lock-in amplifier, a data acquisition card and a microcontroller. The method comprises the following steps: subjecting broadband infrared light signals obtainedafter gas absorption to precise light splitting via the raster module; carrying out scanning / modulation type screening on emergent light signals by using the PZT and outputting the screened emergent light signals to the detector; and extracting second harmonic signals by using the lock-in amplifier to characterize gas concentration. The invention also provides an auxiliary device and method for testing and scaling of a normalized output spectrum of the broadband infrared light source. The invention provides a novel solution for developing a low-cost high-selectivity high-sensitivity apparatusfor detecting gas by using modulation absorption spectroscopy based on the broadband infrared light source.

The invention relates to a PCB hole composite machining method. The method comprises two or more PCB hole drilling machining processes; the method is characterized in that a positioning hole is drilled, initial positioning is carried out, a one-time hole is drilled, process conversion is carried out, calibration positioning is performed, and machining is precise. Advantages of laser drilling and mechanical drilling are sufficiently combined, the problems that laser drilling is unilaterally adopted, the hole roundness is insufficient, the hole heat influence area is large, the recast layer is serious, and a conical hole is large in upper and small in lower can be solved, the limitation of laser machining depth is broken through, the problems that due to the fact that mechanical drilling isadopted unilaterally, machining burrs, drilling sewage in the hole, drilling cutting winding and tool breakage are caused can be solved, and limiting of machining of micro holes can be broken through.

The invention discloses a manufacturing method of an instant tofu pudding. Raw materials including soybeans, gluconic acid-delta-lactone, preparing drinking water and a heating bag are required. According to the method, tofu pudding powder is made based on conventional processing technology, the consumption of gluconic acid-delta-lactone, preparing drinking water and tofu pudding powder is optimized, and a tofu pudding powder bag, a gluconic acid-delta-lactone bag and preparing drinking water are heated with the heating bag during consumption. The manufactured tofu pudding is balanced in nutrition, and through the design of a self-heating heating bag, the convenience in a real sense is achieved.

The invention discloses a wind power energy storage and power generation and standby energy storage and power generation device for a base station. The wind power energy storage and power generation and standby energy storage and power generation device comprises a power grid monitoring controller, an uninterruptible power source and a power divider, and further comprises a movement mechanical energy storage unit, wherein the power grid monitoring controller is connected with a power grid and used for monitoring the real-time status of power utilization of electric equipment and controlling a standby power source to be turned on or off, the uninterruptible power source is connected with the power grid and the power grid monitoring controller and controlled by the power grid monitoring controller to be turned on or off, the power divider is connected with the power grid monitoring controller and the uninterruptible power source and controls electricity output from the standby power source to the electric equipment, and the movement mechanical energy storage unit is connected with a wind power device and a generator, then connected to the power divider through the generator, and connected to the electric equipment through the power divider. According to the wind power energy storage and power generation and standby energy storage and power generation device, energy storage is achieved by utilizing the physical method through the mechanical energy storage unit, the limitation of a chemical battery is broken through, and the wind power energy storage and power generation and standby energy storage and power generation device has the advantages of being small in size, low in cost, not high in temperature requirement, easy to maintain, long in service life, efficient and environmentally friendly, and saving energy.

The present invention provides a short message achieving method and application server. The short message achieving method binds the computer terminal and the telephone beforehand, the short message application server process the conversion of the computer terminal and the telephone number to the received message according to the storage binding information, and completing signaling conversion, then transmitting to the object terminal. The achieving method of short message of the invention is beneficial to input or receive of short message by user, making convenient use.

The invention provides a steel tube cargo shipping accessory. A supporting bar of the accessory is hung on the shackle of a supporting bar suspension system; a short suspension system is hung on the suspension centre at the lower part of the supporting bar; two ends of a chain are hung on the shackles of the short suspension system; a slip hook is hung on the chain in a sliding manner; a steel wire lock catch is connected onto the chain through the slip hook; meanwhile, the invention provides an operating method employing the steel tube cargo shipping accessory. The steel tube cargo shipping accessory and the operating method employing the same have the benefits that after cargos are lifted and suspended in the air, stability during the process of operation is guaranteed by employing the method, the problem that the peripheral perimeters of the cargos in each car of a pallet truck are unequal due to unequal diameters of steel tube cargos is solved, the accessory is applied to steel tube cargos with wide specification ranges, time for changing tools due to specification change of the cargos is reduced, the potential safety hazards are reduced, the working performance is improved, the operation is convenient, and the accessory has remarkable application effects at a general cargo terminal which regards 25 tonne portal cranes as main operation machinery.

The invention discloses miniature DNA (deoxyribonucleic acid) bar code for identifying pterocarpus santalinus and pterocarpus tinctorius. The miniature DNA bar code is DNA sequence ndhF-rpl32 or a part of the sequence. The invention also discloses a molecular method for identifying the pterocarpus santalinus and the pterocarpus tinctorius, and application of the molecular method. The miniature DNA bar code for identifying the pterocarpus santalinus and pterocarpus tinctorius and the method provided by the invention have the advantages that the accurate identification of the pterocarpus santalinus and the pterocarpus tinctorius can be realized; the difficult problem that the pterocarpus santalinus and the pterocarpus tinctorius cannot be identified by a traditional wood anatomy means is solved; an efficient and reliable pterocarpus santalinus and pterocarpus tinctorius identifying method is provided for wood production and trade personnel and wood trade supervision and law-executing departments such as customhouse departments and quality inspection and quarantine inspection departments; high application value is realized.

The invention discloses an integrated detection tool for blue light scanning parts. The integrated detection tool comprises a base, a bracket body, a fixed supporting rod and a plurality of target ball positioning columns, the support body is arranged on the base through a rotating shaft and can rotate around the axis extending in the height direction through the rotating shaft. The fixed supporting rod is arranged on the bracket body and is used for clamping and fixing a to-be-tested part; the plurality of target ball positioning columns are arranged at different position points on the vertical plane of the support body and extend outwards from the vertical plane of the support body, the outward extending distances of the target ball positioning columns are different, and a target ball is fixedly arranged at the top end of each target ball positioning column; wherein a plurality of reference point pasters are pasted on the vertical plane of the support body, and the reference point pasters are used for the blue light scanning equipment to identify the position of a to-be-detected part. In addition, the invention further discloses a part quality evaluation method based on the blue light scanning part integration detection tool.

The invention relates to a mixed attention strategy text title matching method based on multi-task learning, and the multi-task learning of a model is embodied in that the model carries out a classification task 1 of an original text category and a classification task 2 of whether the text is a'title type 'article on an input text at the same time. The model is jointly trained through the multi-task learning model, and one task assists the other task in learning better parameters. According to the scheme, model parameters are adjusted by using back propagation of the classification task 1, so that the classification task 2 obtains better performance. According to the invention, key information is extracted from the text and is matched with the title, so that detection of the title type article is realized, and the detection precision and accuracy of the title type are obviously improved. According to the attention mechanism provided by the method, the correlation degree between each element and other elements can be calculated in one step, the calculation amount is small, and the efficiency is high.

The invention relates to a method for optimizing a filling material ratio, and belongs to the technical field of filling mining. The method comprises the following steps: optimizing and searching the filling material ratio based on an NSGA-II (Non-dominated Sorting Genetic Algorithm-II) algorithm thought; limiting a value range of each parameter of the filling material ratio; setting genetic parameters including a population size, a computing algebra, a crossover probability, a mutation probability and the like; setting a pre-set filling body strength value and optimally searching to obtain one non-dominated solution set containing a plurality of groups of solutions; finally, combining a mine conveying condition and selecting one group of solution, which meets filling body strength requirements of a mining method, meets mine conveying requirements and has the lowest cost, as filling material ratio parameters. By adopting the method provided by the invention, the number of times of experiments can be realized, and ratio parameters, which meet different filling body performance requirements, are rapidly recommended; meanwhile, the filling cost can be reduced. and the method is easy to popularize and apply.

The invention discloses a catalog and subject service business collaboration method based on a pre-press catalog. The catalog and subject service business collaboration method based on the pre-press catalog includes steps that (1) using a primary classification center and a secondary classification center of a pre-press catalog organization to decompose subject service tasks and judge the subject service task characteristics; (2) using a pre-press catalog working process to correspondingly match sub-tasks with a secondary subject catalog center; (3) enabling a secondary subject cataloger to confirm subject service types (explicit knowledge service or implicit knowledge service) according to subject service characteristics; (4) enabling the secondary subject cataloger to use the subject speciality to synergistically provide explicit knowledge service or implicit knowledge service according to the subject service types, wherein the service related to interdisciplinary knowledge needs to build a virtual service team; (5) enabling a superior classification department to use the pre-press catalog organization to synthesize the secondary subject service content; (6) cooperating with workers of a subject service center organization to evaluate the service content and create a catalog database for the similar subject users for referencing. The catalog and subject service business collaboration method based on the pre-press catalog smartly uses the subject characteristics to cooperate the catalogs with the subject service business.

The invention discloses an energy-storage standby power generating device which comprises a power grid monitoring controller, an uninterruptible power supply and an electric power distributor. The power grid monitoring controller is connected to a power grid and used for monitoring the real-time power consumption states of power consuming equipment, and controlling a standby power supply to be started or closed. The uninterruptible power supply is connected to the power grid and the power grid monitoring controller, and is controlled to be started or closed through the power grid monitoring controller. The electric power distributor is connected to the power grid monitoring controller and the uninterruptible power supply and controls the standby power supply to output electricity to the power consuming equipment. The energy-storage standby power generating device further comprises a moving mechanical energy storage unit which is connected to an electromotor and an electric generator, and the moving mechanical energy storage unit is further connected to the electric power distributor through the electric generator and is connected into the power consuming equipment through the electric power distributor. The energy-storage standby power generating device achieves energy storage by using a physical method and breaks through the limit of chemical batteries through the mechanical energy storage unit, and the energy-storage standby power generating device has the characteristics of being small in size, low in cost, low in temperature requirements, easy to maintain, long in service life and efficient, saving energy and protecting environment.

The invention discloses a PRP-based cross-three-layer switching parallel redundancy method. A PRP node in a network A learns physical MAC addresses of a three-layer switch C1 and a three-layer switch C2 through a first network card A and a second network card B; and the PRP node stores the sending end MAC address and the message serial number in a redundancy control field, the PRP node updates the destination MAC address of the new message to be consistent with the three-layer switch C1 and the three-layer switch C2, the PRP node in the network B discards one new message with the same sending end MAC address and serial number, and the other new message is received and normally processed. According to the PRP-based cross-three-layer switching parallel redundancy method provided by the invention, parallel redundancy across different networks is realized, so that more networking structures and modes are supported, and greater flexibility is provided for practical application.

The invention discloses a custard matcha mooncake and a preparation method thereof. Condensed milk 20‑50 parts, milk powder 50‑100 parts, matcha powder 30‑40 parts, eggs 60‑80 parts and cooked flour 15‑20 parts. The mooncake combines the tastes of matcha and custard, is sweet but not greasy, soft and delicious, leaves a lingering fragrance in the mouth after eating, breaks through the limitations of traditional mooncakes, and meets the needs of modern healthy food culture; at the same time, the preparation method of the mooncake of the present invention The process parameters are improved, and the invention is simple and easy to implement.

The invention discloses a QPSK signal-oriented all-optical fast pattern matching method and system and application thereof, and the matching system or method divides a to-be-matched sequence into two paths containing different types of phase symbols, and carries out different compression on an optical data sequence composed of input QPSK signals by using phase compression processing, the data sequence is converted into two paths of data sequences only containing two phase symbols and one null symbol, and in the all-optical mode matching unit, each path only needs to identify two of the four phase symbols, so that the symbol processing process is simplified, the limitation of the original binary all-optical mode matching system is broken through, all-optical mode matching is extended to a higher-order modulation format, the processing efficiency and throughput of an all-optical mode matching system can be greatly improved, and mode recognition can be quickly and effectively completed.

Provided is a method for optimizing a quantum information transmission channel. The method comprises the first step of analyzing evolution dynamics of operator particles at an output end in a Heisenberg scenic painting to obtain a direct relation among fidelity of quantum information transmission with bonding force among particles in the channel, applied magnetic field intensity, the number of particles in the channel and system initial states, and adopting the direct relation as a formula (1); the second step of determining the number of the particles in the channel according to the length of the channel, endowing the bonding force and the applied magnetic field intensity with random fixed values, comparing the fidelities obtained through calculating according to the formula (1) under all the possible channel initial states, and selecting the channel initial state which corresponds to the fidelity with the biggest numerical value as a selected channel initial state. According to the method for optimizing the quantum information transmission channel, the fidelities obtained through calculating under all the possible channel initial states can be compared, the channel initial state which corresponds to the fidelity with the biggest numerical value is selected to be the selected channel initial state, the limitation of the initial states is broken through, and the optimizing effect of the quantum channel is better.

The invention discloses an electronic system and an embedded device and a transit device of the electronic system. The system comprises a voice collection device, an embedded client, a transmit device and a server. The voice collection device is connected with the embedded client, and the transit device is connected between the embedded client and the server. The embedded client controls the voice collection device to conduct voice collection and obtain voice data, and the transmit device is used for transmitting the voice data to the server to conduct voice recognition and feeds back a recognition result obtained by the server through voice recognition to the embedded client. The electronic system and the embedded device and the transit device of the electronic system can apply voice recognition technology to the embedded device easily, are low in requirements for the embedded device, can shield changes of the embedded device and the voice recognition server, and enable a general voice recognition engine to be applied to different embedded application systems.

The present invention belongs to an improvement of an evaporative cooling cool supply device with dry air energy as power source, and in particular relates to an evaporative refrigeration water chilling unit. A spraying water distributor and a blower are arranged above a direct evaporative cooling heat exchanger; a water storage pool with a circulating water pump is arranged inside a casing on the lower part of the direct evaporative cooling heat exchanger; an air inlet of the casing is provided with a surface air cooler; a water inlet of the circulating water pump is connected with a water outlet at the bottom of the water storage pool through pipelines; a water outlet of the circulating water pump is connected with an indoor sensible heat cool supply terminal through pipelines; an outlet of the indoor sensible heat cool supply terminal is connected with the surface air cooler through pipelines; a water outlet of the surface air cooler is connected with a spraying water distributor through pipelines. The present invention can realize the effective utilization of the cold energy of cold water, reduces the irreversible loss of heat-moisture exchange, improves heat-moisture exchangeefficiency, ensures that outlet water temperature can approach to the dew point temperature of inlet air, and improves the efficiency of utilizing dry air energy.

The invention discloses a mooncake containing durian and a preparation method thereof. The mooncake is prepared from the following components in parts by weight: 60-80 parts of durian pulp, 50-70 parts of matcha powder, 20-40 parts of white granulated sugar, 30-40 parts of maltose, 50-80 parts of milk, 60-80 parts of starch, 30-50 parts of vegetable oil, 30-50 parts of glutinous rice and 60-100 parts of cooked flour. In the mooncake, durian is rich in nutrition, the durian pulp contains massive starch, sugar, fat, carbohydrate and protein, and further contains multiple vitamins including vitamin B1, B2, C and the like and rich minerals including calcium, iron, magnesium, phosphorus zinc and the like; and the nutritional value of mooncake serving as a snack can be reinforced since durian isadded into stuffing, so that nutrition is supplied while people enjoys delicious mooncake. The mooncake breaks through the limitation of traditional mooncake, and can meet the requirement for diet culture of modern health; and the mooncake preparation method has improvement in the aspect of technological parameters, is simple and feasible, and is easy to implement.

The invention discloses a method and device for reconstructing electron orbit space distribution and an electron beam function, and the method comprises the steps: controlling a mobile electron beam to scan a sample, and obtaining the diffraction intensity of each scanning position of the sample; initializing a sample transmission function and an electron beam function, establishing a forward propagation model containing to-be-optimized parameters according to the diffraction intensity, the sample transmission function and the electron beam function, and calculating a loss function value; the derivative of the loss function about the to-be-optimized parameter is solved, the gradient of the to-be-optimized parameter in the sample transmission function and the electron beam function is obtained, the to-be-optimized parameter is optimized according to the gradient, the loss function value is updated, the iteration process is repeated until the iteration termination condition is met, and the optimized sample transmission function and the optimized electron beam function are output. According to the embodiment of the invention, the resolution of sub-pixel precision can be realized, and parameterized information such as atomic position and electron orbit space distribution can be directly obtained on the basis of keeping the advantages of traditional laminated imaging.

The invention relates to a data acquisition method and system for a wireless network optimization test. The method comprises the following steps: integrating an electronic map display function, a positioning function, a call function and a shooting function by taking user equipment accessed to a network as a carrier; arriving at a specified test point on a specified route according to a pre-planned specified route, and developing a CQT test at the specified test point to obtain CQT test data; simultaneously acquiring location information and image data of the specified test point as well as acquisition personnel information, acquisition time information and acquisition direction angle information of the image data; and enabling the user equipment to transmit the acquired information to background service equipment through the network to perform follow-up data analysis. According to the technical scheme provided by the invention, the professional limitations of the data acquisition workof an original wireless network optimization test in personnel and equipment can be broken.