926 results about "High intensity" patented technology

Provided is an automatic hail identification method based on radar image spatial mapping, including: obtaining a base reflectivity radar image; grading radar echoes using intensity values represented by different colors, and detecting radar center coordinates; performing spatial mapping, and establishing a dictionary for radar echo intensity in a new radar image space; after expanding the dictionary, transforming V-shaped notch and TBSS characteristics behind an original radar strong echo area into a standard rectangle and a triangle behind a strong echo in the new radar image space; determining whether there is a V-shaped notch and TBSS according to whether there is a standard rectangle or a triangle behind the strong echo; and if so, marking in the original radar image and calculating a position where hail occurs. A rapid and accurate method is provided for automation of hail monitoring and early warning and elimination of continuous high-intensity analysis pressure of forecasters.

The invention discloses a video monitoring system and device based on quantum encryption communication, and relates to the technical field of secure transmission of relay chain video data. The video monitoring system and device based on quantum encryption communication comprise the following modules: a data acquisition module for acquiring transmission data through front-end equipment and performing standardized preprocessing on acquired multi-modal data; the quantum encryption communication module is used for evaluating the security of the video data in a transmission process and dynamically adjusting a transmission strategy based on an evaluation result; the relay chain transmission module is used for analyzing the reliability of a relay chain link and optimizing a link load distribution mode; and the parallel chain data processing and collaborative analysis module comprehensively judges the collaborative response capability of the node in the data transmission process and generates an optimization report based on a judgment result. The problem that in the prior art, when high-intensity interference and data hijacking risks exist, the safety and reliability of a transmission link are difficult to guarantee is solved.

The invention relates to the technical field of image enhancement, in particular to a medical image focus recognition method and system based on a neural network, and the method comprises the following steps: setting neighborhood windows of different sizes based on input medical image data, calculating the Shannon entropy value of each neighborhood window, calculating the local energy value, and forming a local energy diagram; and fusing the Shannon entropy value and the local energy map to obtain a fused information entropy energy map. According to the method, neighborhood windows of different sizes are set for medical image data, and the Shannon entropy value and the local energy value are calculated for each window, so that the information complexity and the local pixel active degree of the image in spatial distribution can be fully extracted, and the information entropy energy spectrum formed by fusing the information complexity and the local pixel active degree has higher region sensitivity; high-response areas are screened through the atlas, boundary coordinates of the high-response areas are recorded, and the positioning precision can be improved in high-intensity change areas.

The invention relates to the technical field of new energy power plant construction data processing, in particular to a construction site personnel track recognition system based on a two-dimensional code, which adopts laser etching to dynamically encrypt a two-dimensional code label, and improves the weather resistance of the label in a salt fog environment through a salt-dredging nano coating and antistatic packaging. And a double-fixing structure combining the elastic binding band and the magnetic fastener is suitable for high-strength operation scenes. Industrial-grade scanning base stations are deployed in a construction area in a gridding mode, three-dimensional coordinate data are captured through a multi-base-station cooperative scanning mechanism, high-reflection interference of photovoltaic panels is eliminated through a signal intensity difference algorithm, and a de-noising coordinate set is generated. The closed-loop calibration module corrects scanning angle offset and earth surface reflection weight parameters through a three-level check link, the environment adaptation module triggers an ultrasonic multi-frequency cleaning program to maintain optical performance, and the cooperative control unit adjusts the light supplementing intensity and the data fusion proportion in a linkage mode. Accurate identification of personnel tracks and multi-working-plane dynamic management and control in a complex environment are realized.

The invention discloses a wireless audio frequency band conflict avoidance method in a high-density and high-intensity electromagnetic environment, and the method comprises the steps: monitoring the signal intensity, the frequency band occupation condition and an interference source in the electromagnetic environment in real time, and carrying out the measurement of the signal intensity through a spectrum analyzer or a radio frequency detector; intelligent prediction and dynamic sensing are performed on the spectrum occupation condition by combining a machine learning algorithm, so that the frequency band of audio signal transmission is adjusted in real time, and the current idle frequency band with less interference is dynamically selected for audio transmission based on a spectrum sensing result, so that the conflict with the frequency bands of other equipment is avoided. Through the intelligent spectrum sensing technology, the spectrum use condition in the electromagnetic environment is monitored in real time, frequency band conflicts and interference sources can be efficiently and accurately found, smooth audio data transmission is ensured, transmission delay caused by the frequency band conflicts can be effectively reduced through dynamic frequency band selection and a rapid switching mechanism, and the low delay requirement of real-time audio transmission is ensured.

A pulsed laser source device configured to a plurality of Fabry Perot resonant cavities. The pulsed laser source device provides a frequency, a wavelength, and a phase, each of which is matched with a plurality of laser beams configured, respectively, with the plurality of Fabry Perot resonant cavities to generate a high intensity beam for laser fusion.

The invention provides a focused ultrasound tissue fragmentation system and a use method, and belongs to the technical field of medical instruments. The system comprises a transmitting-receiving integrated focusing ultrasonic probe, a multi-degree-of-freedom moving device and a tissue fragmentation work station. The system acquires an image of a region of interest through the image acquisition device, adjusts the position of the focused ultrasound probe by using the multi-degree-of-freedom moving device, receives and processes the image by the tissue fragmentation workstation, controls the focused ultrasound probe to emit pulses, generates cavitation bubble cloud in a cavitation region, positions the cavitation region, and cavitates tissues in the region of interest. According to the system, the high-intensity focused ultrasound multichannel phased array probe is adopted, the problems of reflection and refraction of ultrasound in tissue can be solved, a focus is accurately focused on a tissue fragmentation area, accurate treatment of target tissue is achieved, and the treatment effect and safety are improved.

The invention discloses an intelligent groundwater storage variable prediction system based on multi-source data fusion and parameter optimization, and relates to the technical field of groundwater storage change prediction, and the system comprises a data collection module, a hydrological sensor connected with the Internet of Things, a satellite remote sensing data interface and a meteorological data interface. According to the intelligent groundwater storage variable prediction system based on multi-source data fusion and parameter optimization, the problem of prediction time lag caused by data updating lag, data spatial-temporal scale inconsistency and parameter stiffness of a groundwater storage change evaluation system is solved by constructing a double-circulation collaborative architecture of a real-time assimilation ring and a parameter evolution ring. High-frequency assimilation is used for fusing multi-source real-time data, and it is ensured that model input is synchronous with a real environment state; the prediction system continuously tracks the transient process of an underground water system, and the timeliness and reliability of underground water storage volume change prediction under the scenes of extreme rainfall, extreme drought, high-intensity mining and the like are effectively improved.

The invention discloses a lightweight transmission and loading optimization method for cloud rendering of a high-precision three-dimensional model, belongs to the technical field of network transmission, and aims to solve the problems of large data volume, high transmission delay and slow loading of cloud rendering of the high-precision three-dimensional model. Carrying out importance evaluation on the rendering primitives, constructing a feature matrix and a weight vector, and determining important data points through matrix multiplication; important data points are subjected to lightweight coding and preferential transmission, and non-important data points are subjected to high-strength compression or delayed transmission. At the client side, client importance re-evaluation is carried out on received rendering data blocks, a client feature matrix and a weight vector are constructed, high-priority loading data are determined through matrix multiplication, and decoding, loading and rendering are preferentially carried out. According to the invention, lightweight transmission and rapid loading of the high-precision three-dimensional model are realized, and the user experience and the resource utilization efficiency are remarkably improved.

The invention relates to the technical field of semantic processing and knowledge maps, and provides an AI-based intelligent question-answering method and system, and the method comprises the steps: collecting a knowledge map of an intelligent question-answering library, and obtaining an inquiry text of a user; performing word segmentation on the inquiry text to obtain a plurality of vocabularies; obtaining a reply design scale of the inquiry text; determining the number of analysis queues and establishing a plurality of analysis channels; obtaining the semantic intensity of each marked vocabulary and obtaining a high-intensity semantic vocabulary sequence; quantizing the analysis contribution of each mark vocabulary at each moment and the initial analysis limit at each moment, and further obtaining the buffer semantic integrity retention degree at each moment; judging and establishing a buffer space in real time, adjusting an analysis process, and finally outputting a semantic weight of each vocabulary; and screening a plurality of core vocabularies, obtaining a relation path in combination with the knowledge graph, and further generating a reply text. The invention aims to solve the problem that semantic weight acquisition is inaccurate due to word order interference in text keyword analysis.

The invention discloses an approaching rainfall forecasting method and system based on attention mechanism and frequency domain fusion, and belongs to the technical field of weather forecast, and the method comprises the steps: constructing a radar echo sequence sample data set; constructing an approaching rainfall forecasting model; a radar echo sequence sample data set is adopted to train an approaching rainfall forecasting model; and performing radar echo data prediction by adopting the trained approaching rainfall forecasting model, and converting the radar echo data into rainfall data so as to realize rainfall forecasting. According to the method, the generation and elimination evolution rule of the radar echo can be effectively reflected, the forecasting accuracy of the high-intensity value of the radar echo is improved, the situation that a previous model is insufficient in severe convection forecasting accuracy is effectively improved, and the method has great significance in effectively preventing various losses caused by severe convection weather.

Various implementations include a light bar system for a steering wheel of a vehicle that includes a high intensity light source, a light diffusing layer, and an outer lens. For example, in certain implementations, the light diffusing layer is disposed between a plurality of high intensity light emitting diodes (LEDs) and an outer lens, and the light diffusing layer causes the light from the LEDs to appear as a continuous stream of light across a length of the lens and provides sufficiently bright lighting to warn or communicate with the driver in various ambient lighting conditions. In certain implementations, the outer lens is colored to blend in with the rest of the steering wheel when the LEDs are not activated.

The utility model relates to the technical field of cutting pick cylindrical drills, and discloses a cutting pick cylindrical drill with a function of preventing cutting picks from falling off, which comprises a cylindrical body, a connecting piece is fixedly connected to the top of the cylindrical body, a fixing piece is fixedly connected to the bottom of the cylindrical body, a connecting shaft is arranged in the fixing piece, a drill bit is fixedly connected to the bottom of the connecting shaft, and the drill bit is fixedly connected to the bottom of the connecting shaft. And a handle is slidably connected into the fixing part, a clamping assembly is arranged on the middle side of the outer wall of the handle and used for fixing the connecting shaft, and locking assemblies are arranged on the two sides of the outer wall of the handle and used for locking the handle. According to the utility model, the problem that the falling risk of the cutting pick is increased due to the fact that the cutting pick cylinder drill is easy to cause gradual loosening of a fixing device in high strength and long time is solved, and the purposes of preventing the cutting pick from loosening or falling off in high-strength work and reducing the potential safety hazard in the operation process are achieved, so that the construction quality and precision are improved.

The invention relates to the technical field of dam safety monitoring, and discloses a multi-source remote sensing data deep learning dam slope monitoring method, which comprises the following steps: resampling each mode to a common ground grid, and calculating robust statistics and a time stability agent on grid and block scales; determining a reference image according to the block-level robust score, and adaptively setting a local displacement search range with a high-intensity centroid difference; evaluating the discrete candidate displacement in a grid neighborhood by using a median absolute difference to obtain a local displacement field and a residual error; three types of subitems are constructed based on robust noise, time stability and registration residual errors, and pixel-level reliability weights are adaptively synthesized through logarithmic variance proportions among modes; analyzing and solving local linear mapping in a neighborhood by using a weight-weighted observation matrix, and calculating a weighted residual error according to the local linear mapping; a binary and probability anomaly graph is generated with a robust threshold.

The invention belongs to the technical field of medical instruments, and provides a multi-modal focused ultrasound treatment system which comprises an image acquisition device and a multi-angle focused ultrasound treatment system, and the multi-angle focused ultrasound treatment system comprises a transmitting-receiving integrated focused ultrasound probe, a multi-degree-of-freedom moving device and a multi-modal treatment workstation. The system acquires an image of a region of interest through the image acquisition device, adjusts the position of the focused ultrasound probe by using the multi-degree-of-freedom moving device, receives and processes the image by the multi-modal treatment workstation, controls the focused ultrasound probe to emit various wave band pulses, generates a cavitation bubble cloud in a cavitation region, positions the cavitation region, and transmits the cavitation bubble cloud to the multi-modal treatment workstation. And performing cavitation / ablation / treatment on the tissue of the region of interest. The system adopts a high-intensity focused ultrasound multi-channel phased array probe, has a multi-mode phase control function, can overcome the reflection and refraction problems of ultrasound in tissues, accurately focuses a focus on a treatment area, realizes accurate treatment of target tissues, and improves the treatment effect and safety.

The invention relates to the technical field of radio navigation and countering, and particularly discloses an unmanned aerial vehicle interference system and device based on phased array radar direction finding. The system comprises a phased array radar direction finding module, an environment electromagnetic propagation characteristic modeling module, an interference beam dynamic planning module and a digital beam forming interference module. Through constructing a three-dimensional electromagnetic propagation model and based on propagation loss and a multipath effect predicted by the model, a beamforming weight used for pre-compensating environmental influence is optimized and calculated, and finally an interference antenna array is driven to radiate an intelligent beam subjected to environmental pre-compensation, so that high-intensity interference is formed at an actual physical position of a target unmanned aerial vehicle, and the target unmanned aerial vehicle is subjected to environmental pre-compensation. Direction finding errors are overcome, and interference efficiency and electromagnetic compatibility are improved.

The invention relates to the technical field of plasma ignition, in particular to a split type plasma ignition device and ignition system for passivating gunpowder, which comprises an ignition tube assembly and an oscillation control assembly, the ignition tube assembly comprises an ignition tube, gunpowder and a hollow resonance coil; the oscillation control assembly comprises a coil support, an excitation coil and an oscillator circuit module. The excitation coil on the coil support is used for being matched with an insulation tube in an ignition tube in an inserted mode. An ignition pulse excites an oscillator circuit module to generate a high-frequency excitation signal, the high-frequency excitation signal is released by an excitation coil and coupled to a hollow resonance coil in an electromagnetic induction mode to form LC resonance, the LC resonance enables a discharge part to generate a high-intensity electric field, the high-intensity electric field excites plasmas on the surface of gunpowder to ignite the gunpowder, and ignition is completed. The device breaks through multiple limitations of a traditional ignition mode, and intrinsic safety and high reliability of passivation agent ignition are achieved.

The invention discloses a path and focal nucleus variable high-intensity self-focusing ultrasonic transducer, and relates to the technical field of ultrasonic treatment, the path and focal nucleus variable high-intensity self-focusing ultrasonic transducer comprises an upper seat device and a sliding device, the upper seat device comprises multiple sets of focusing units, and the multiple sets of focusing units define a paraboloid structure along the same axis; the sliding device is arranged along the central axis of the paraboloid structure and can reciprocate along the central axis, when the sliding device moves into the paraboloid structure, the focusing unit slides outwards along the paraboloid to be unfolded, and when the sliding device moves away from the paraboloid structure, the focusing unit slides inwards along the paraboloid to be folded; according to the invention, by adjusting the unfolding or folding of the focusing unit, the dynamic adjustment of the size and shape of the focal nucleus is realized to adapt to tumors with different sizes and shapes, and the problems that the focal nucleus of the traditional ultrasonic transducer cannot be adjusted and the treatment adaptability is poor are solved.

The utility model relates to the technical field of pressure transmitters, and discloses a pressure transmitter capable of preventing pressure impact, which comprises a pressure transmitter body, the bottom of the pressure transmitter body is in threaded connection with a connecting pipe, the inner wall of the connecting pipe is provided with a buffer mechanism, and the top of the buffer mechanism is provided with a shielding mechanism. Through the buffer mechanism, when high-strength air flow enters the pressure transmitter body through the connecting pipe, the high-strength air flow passes through the circular leakage plate, and the circular leakage plate is used for shielding and buffering the high-strength air flow, so that the high-strength air flow cannot directly enter the pressure transmitter body, and the circular leakage plate is influenced by the buffer to relieve the impact effect; therefore, the damage caused by impact of high-strength airflow on the circular bushing plate is reduced, the direct action of airflow pressure impact on key parts in the pressure transmitter body is reduced, the risk of damage to the parts is reduced, and the overall service life of the pressure transmitter body is further prolonged.

The embodiment of the invention discloses a zoom camera infrared control method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of cameras, and the method comprises the steps: obtaining a current expected gain value of a camera; comparing the expected gain value with the intensity adjustment threshold value to obtain a comparison result; when the comparison result is that the expected gain value is greater than or equal to the low-intensity threshold value, controlling the infrared lamp to improve the intensity; when the comparison result is that the expected gain value is smaller than or equal to the high-intensity threshold value, controlling an infrared lamp to reduce the intensity; and when the comparison result is that the expected gain value is less than the low-intensity threshold value and greater than the high-intensity threshold value, controlling the intensity of the infrared lamp to be unchanged. Therefore, multi-target balance of exposure accuracy, image quality protection and power consumption optimization is achieved, the method is suitable for scenes which are complex in illumination condition and need long-time stable operation, and the robustness and user experience of equipment in a non-ideal environment are effectively improved.

The invention discloses a comprehensive oral diagnosis and treatment system, which relates to the technical field of oral medicine and medical instruments and comprises a tooth movement monitoring module, a low-intensity pulsed ultrasound module, a high-intensity focused ultrasound module, a blood flow monitoring module, a control module, a wireless communication module and a terminal module. According to the invention, comprehensive monitoring and treatment of tooth movement, periodontal tissue health, temporomandibular joint function and oral cavity related muscle dynamics of a patient can be realized. Meanwhile, the equipment integrates advanced low-intensity pulsed ultrasound and high-intensity focused ultrasound technologies, and has the functions of periodontal tissue repair, muscle relaxation and joint soft tissue treatment. Besides, through the wireless communication module and the terminal module, the system can provide real-time health data monitoring and personalized diagnosis and treatment schemes, and is widely suitable for patients with orthodontics, periodontal diseases, temporomandibular joint disorder and other related oral dysfunctions.

The application discloses an AAC security steganography algorithm and system based on a masking effect. The human ear hearing masking effect can cause some audio signals with low intensity to be masked by signals with high intensity, and there is space for hiding secret information. Therefore, the application analyzes a quantization process of MDCT coefficients in AAC coding, records the masked audio signals as modifiable positions, and combines an STC adaptive steganography framework to realize embedding of secret information. Experimental results show that the algorithm can achieve a maximum embedding capacity of 13.61 kbps, can guarantee auditory concealment of speech, and has good security.

The invention discloses an AOI back inspection reflection inhibition method based on black flannelette pasting, and relates to the technical field of AOI detection, and the method comprises the steps: placing a to-be-detected silicon wafer on a silver gray aluminum material carrying platform; starting the AOI equipment to collect a background image; black flannelette is selected as a reflection inhibition material; black flannelette is attached to the center detection area of the silver gray aluminum material carrying table, and the light source perpendicular incidence area is of a double-layer structure formed by combining a bottom-layer reflective sticker and surface-layer black flannelette. After surface mounting is completed, the background image is collected again; and performing defect identification on the acquired background image, and outputting a detection report. According to the invention, through the physical light absorption characteristic of the black flannelette, the average gray value of the reflection area of the carrying platform is reduced, the high-intensity mirror reflection interference is effectively eliminated, the difference between the background gray level and the edge gray level of the silicon wafer after mounting is obvious, image analysis software can realize accurate edge searching by setting the minimum identification gray level threshold, and meanwhile, the edge searching precision is improved. The black flannelette can improve the background gray scale stability and reduce the interference of gray scale fluctuation on a threshold segmentation algorithm.

The invention provides a petal-shaped homogeneous phase nonlinear rotating beam generation method based on phase regulation and control. By designing a phase distribution function with spiral symmetry and combining dynamic regulation and control of morphological parameters and transmission distance, petal-shaped light beams with different petal numbers, rotation angles and energy distribution can be generated. The light beam shows a homogeneous phase characteristic, high directivity and a stable vortex structure in propagation, is especially suitable for the field of optical tweezers, forms a high-intensity focusing area by adjusting spiral symmetrical phase distribution, and can stably capture micron-sized particles.

The invention discloses a platform private corpus unvarnished transmission method based on syntactic tree matching and reversible hash encryption. The method comprises the following steps: S1, generating a structured private corpus; s2, performing syntactic analysis on the structured private corpus by adopting a natural language processing technology, and constructing a complete syntactic tree model of the private corpus; s3, generating syntactic structure verification information according to the syntactic tree model, forming structure fingerprint data, and constructing an unvarnished transmission data packet; s4, transmitting the unvarnished transmission data packet between heterogeneous platforms; and S5, after the structural verification is consistent, under the condition that a legal authorization condition is met, performing data restoration on the ciphertext private corpus in the unvarnished transmission data packet by adopting a preset reversible Hash decryption operation, and restoring the original structured private corpus. According to the invention, high-strength and low-redundancy private corpus encryption transmission is realized.

An acoustic rotary liquid processor coupled with high-intensity ultrasonic vibration, rotary stirring, and melt surface stabilizing is described. The processor can be used for the preparation of slurry containing a small fraction of non-dendritic solid particles for semi-solid material processing.

The invention discloses a method for restoring flame shielding imaging based on a large model and a polarization frequency domain network, and the method is characterized in that the method comprises the following steps: 1, building a flame shielding target imaging system, and shooting a clear image of a target object without flame shielding; respectively shooting polarization images of the target object under the conditions of low flame shielding rate, high flame shielding rate and high-intensity flame shielding, and obtaining a low flame shielding rate data set, a high flame shielding rate data set and a high-intensity flame shielding rate data set; according to the restoration method provided by the invention, the problem of serious image degradation caused by strong radiation of flame and scattering of internal particles is effectively solved, and clear imaging of a target behind non-uniform flame shielding is realized. The method is based on an innovative double-branch deep network, and a polarization frequency domain branch accurately separates and extracts submerged target detail information by utilizing the difference between a target and flame in polarization characteristics and combining frequency domain analysis.

The utility model provides medical auxiliary equipment which comprises a first supporting adjusting structure and / or a second supporting adjusting structure, the first supporting adjusting structure comprises a first supporting body and a first adjusting assembly, the first supporting body is used for supporting the head, and the first adjusting assembly is connected with the first supporting body and used for adjusting the height of the first supporting body; the second supporting and adjusting structure comprises a second supporting body and a second adjusting assembly, the second supporting body is used for supporting the trunk, and the second adjusting assembly is connected with the second supporting body and used for adjusting the height of the second supporting body. According to the medical auxiliary equipment provided by the utility model, the height of the shoulders and / or the head can be conveniently adjusted, and the thyroid lesion area can be completely exposed, so that the accuracy of treating the thyroid lesion area by high-intensity focused ultrasound can be improved.

Some embodiments provide a method including applying high-intensity focused ultrasound energy to a skin treatment area with simultaneous movement of the transducer body across the skin treatment area to form a pattern of treatment lines in tissue at a first depth below the surface of the skin. For example, the pattern of treatment lines may be formed by the movement of the transducer body during one or more treatment cycles. A preferred pattern of treatment lines includes treatment lines that intersect. Furthermore, the method may further include applying the high-intensity focused ultrasound energy to the skin treatment area with simultaneous movement of the transducer body across the skin treatment area to form a second pattern of treatment lines in tissue at a second depth below the surface of the skin and a third pattern of treatment lines in tissue at a third depth below the surface of the skin.

The invention discloses a method for preparing wave-absorbing integrated SiC / Si3N4 composite ceramic with high strength and toughness in a short period. Silicon nitride, silicon carbide, a sintering aid and other powder are mixed and dispersed for a short time through high-strength mechanical vibration, and the high-strength and high-toughness wave-absorbing composite ceramic is prepared after direct sintering. According to the preparation process, the preparation steps of ball milling, drying, sieving and the like are avoided, the preparation process period of the SiC / Si3N4 composite ceramic can be shortened from 1 week to 1 day, and the labor intensity is reduced; according to the preparation process, an organic solvent and a grinding medium do not need to be introduced, and pollution to samples and the environment is avoided; more importantly, the preparation process can effectively disperse the nano-powder and the whiskers, avoids the damage of a grinding medium to the powder such as particles and the whiskers, and enhances the strength and toughness of the ceramic material. The bending strength of the prepared SiC / Si3N4 composite ceramic can reach up to 1007 MPa, the fracture toughness reaches 11.63 MPa.m < 1 / 2 >, the minimum reflection loss of electromagnetic waves is-27 dB, and the wave absorbing bandwidth is 2.28 GHz.