12results about How to "Realize localization" patented technology

The present application relates to a kind of computing method for realizing wide range dynamic noise map system fast update, comprising the following steps: using the data information of system database, based on existing day and night period and city road grade, simplify the structure of traditional road sound level mechanism model;Using big data technology, using hybrid modeling method, regression each grade road sound source (day and night) sound level contribution amount prediction model;Road noise fast calculation method based on sound level contribution amount prediction model is constructed, the fast update of dynamic noise map is realized.Compared with prior art, while ensuring the calculation precision, the operation and update efficiency of noise map system is greatly improved, and the technical constraints of foreign core computing software are broken, the localization of noise map core computing technology is realized, which provides technical support for wide range deep development of noise map.

The invention discloses an ultrahigh pressure air valve component unit performance test device and method, and the device comprises an ultrahigh pressure compression closed circulation system which comprises an ultrahigh pressure air cylinder, a plunger and an ultrahigh pressure air valve test component, and ultrahigh pressure air enters an air cylinder compression cavity through an air inlet pipeline along an air inlet channel; ultrahigh-pressure gas in the gas cavity compression cavity is exhausted to the ultrahigh-pressure pressure relief device through an exhaust channel, the ultrahigh-pressure pressure relief device is connected to the gas inlet pipeline through a bypass pipeline, and a cyclotron is arranged on the gas inlet pipeline, prepares the ultrahigh-pressure gas into radioactive gas and introduces the radioactive gas into the ultrahigh-pressure cylinder; a scintillation detector array is arranged outside the ultrahigh-pressure cylinder, covers the whole ultrahigh-pressure cylinder and is used for capturing the flowing range of radioactive gas in the ultrahigh-pressure cylinder. The device has the functions of accurate ultrahigh-pressure gas loading, adjustable cycle frequency, working performance monitoring and the like, so that effective experimental means and technical guarantee are provided for localization of key parts.

The invention provides a titanium-zirconium alloy wire for a high-strength annealed implant and a processing method of the titanium-zirconium alloy wire, and belongs to the technical field of titanium-zirconium alloy wire processing. According to the titanium-zirconium alloy wire for the high-strength annealed implant, the titanium-zirconium alloy wire for the high-strength annealed implant is prepared by adopting deformation distribution combining three times of VAR smelting, roller die hot drawing and cold drawing and a specific heat treatment process, the room-temperature tensile property is stable, the consistency is good, the tensile strength is larger than or equal to 1000 MPa, the hardness is larger than or equal to 270 HV, the grain size is smaller than or equal to 4 microns, and the hydrogen content of the finished wire is smaller than 0.002%. The titanium-zirconium alloy wire for the high-strength annealed implant, provided by the invention, has the characteristics of reducing the use of bone increment surgery and relieving the pain of a patient, and truly realizes localization in the field of new oral implant materials.

The invention provides a distributed VDES system-level test platform and method, the system takes IEC 62320-1-2015 and other international standards as the basis, takes a computer as the core, and controls a high-performance test and signal generation instrument and environment auxiliary test equipment to execute corresponding actions according to the requirements of test detection software through a switch, a serial port and other communication interfaces; various parameters are measured according to process requirements of test detection software embedded in a computer, automatic execution and control of the whole calibration process are completed, program control switching of a high-performance test and signal generation instrument and environment auxiliary test equipment is achieved, recording and storage of calibration data are completed, and test results of all detection items are calculated.

The present invention relates to a marine heterogeneous data acquisition system and method based on a domestic platform. The acquisition system is formed by adopting a data acquisition layer, a data transmission layer, a data processing layer and a data storage layer of a domestic chip. The DeltaOS system is used as the software operating system. The software application layer is divided into a host system software, an alarm display software, an internal memory software, an external memory software, an Ethernet acquisition software, a sound acquisition software, an image and video acquisition software, a serial port data acquisition software and a power control software. The software and hardware of the present invention are 100% domestically produced. The host adopts a platform based on a Loongson processor and an embedded system. Through loosely coupled configuration management and a hybrid data acquisition model, hybrid scheduling acquisition and data processing of heterogeneous data are realized, and the processed data are backed up and stored. The system also develops a running display function based on the QT graphics development framework of the Loongson platform, which can monitor the system running status, acquisition status and storage status in real time.

The utility model discloses a two-way server based on a SW WX 3231 processor, which comprises the SW WX 3231 processor, the SW WX 3231 processor is electrically connected with a Feiteng X100 bridge chip, the SW WX 3231 processor is electrically connected with a slave CPU (Central Processing Unit) processor, and the slave CPU processor is electrically connected with a BMC (Baseboard Management Controller) network card. According to the two-way server based on the SW Weixin 3231 processor, the SW Weixin 3231 processor and the Feiteng X100 bridge chip are innovatively combined, the SW Weixin 3231 processor is responsible for central data processing, and the Feiteng X100 bridge chip is responsible for expansion of peripheral interfaces and has the functions of USB, SATA, display and the like; the network interface of the server mainboard realizes localization of the network interface through a domestic network WX1860 network interface chip, thereby thoroughly solving the problem of independent and controllable intellectual property realized by a peripheral interface of the SW WX 3231 processor, and enabling the server mainboard to have completely independent and controllable intellectual property.

The invention discloses a multi-mode intelligent analyzer based on an FPGA, and the analyzer comprises a signal input unit which is used for carrying out the filtering processing of two paths of inputted analog signals; the analog-to-digital conversion unit is used for performing analog-to-digital conversion processing on each path of filtered analog signal to obtain a corresponding time domain signal; the wireless communication module is used for receiving a preset parameter threshold value set by a user; the FPGA main control unit comprises two parallel signal processing assembly lines which are used for carrying out frequency domain transformation on the received two paths of time domain signals in parallel to obtain frequency domain signals; the intelligent judgment module is used for performing parameter analysis on the frequency domain signal to obtain parameter characteristic data, and judging a preset parameter threshold value and the parameter characteristic data to obtain a judgment result; the display information fusion module is used for fusing the time domain signal, the frequency domain signal, the parameter characteristic data and the discrimination result to obtain a fused video data stream; and the display unit is used for displaying the fused video data stream and realizing multi-modal data display on the same screen.

The application provides a modular radio frequency receiving front end with fast power-on capability. The modular radio frequency receiving front end comprises a filtering limiting front end, a switch filtering amplification circuit, a power division circuit, a large dynamic SDLVA circuit and an SDLVA power supply circuit, and is connected with each functional module through an SMP joint to realize modular design, detects the performance of each circuit through multi-stage self-checking, increases the isolation degree between the SDLVA chip and the rear-stage operational amplifier circuit through an operational amplifier, and provides the power supply voltage of the ns level rising edge for the SDLVA detection module, so as to reduce the complexity of the radio frequency signal interconnection and the power supply control wiring of the multi-channel receiving front end, and has the characteristics of modular design, high sensitivity, high reliability, strong universality and the like.

This invention provides a high-temperature wear-resistant, oil-free lubricating metal-ceramic composite mold core material for producing antibiotic vials, made from the following raw materials in the indicated mass fractions: molybdenum 3%–6%, titanium 0%–2%, tungsten carbide 6%–10%, titanium carbide 20%–25%, hexagonal boron nitride 1%–5%, nickel-coated graphite 2%–4%, with the balance being nickel. The method for preparing the metal-ceramic composite mold core material is as follows: hexagonal boron nitride powder is dispersed in anhydrous ethanol and ultrasonically treated; then, powdered molybdenum, titanium, tungsten carbide, titanium carbide, nickel-coated graphite, and nickel are mixed; after wet mixing, a composite slurry is obtained; the composite slurry is dried and then placed into a graphite mold lined with graphite paper for hot pressing and sintering; after cooling, the high-temperature wear-resistant, oil-free lubricating metal-ceramic composite mold core material for producing antibiotic vials is obtained. The process of this invention is simple and controllable, and the prepared mold core material exhibits excellent self-lubricating and wear-resistant properties at high temperatures, making it suitable for use in the pharmaceutical industry for producing mold cores for controlled antibiotic vials.

The invention discloses a low-power-consumption high-precision positioning method based on an intranet RTK technology. The method comprises the steps that S1, a base station network and a service platform are deployed, and a terminal collects, formats, compresses and uploads Beidou original observation data; s2, the platform collects data of the terminal and the base station, constructs a differential processing model, generates high-precision differential correction information in real time, and issues the high-precision differential correction information to the terminal through an internal network; s3, differential data are received and analyzed, data preprocessing, Kalman filtering, ambiguity fixing and fixed solution verification algorithm processes are sequentially executed in combination with self observation values, and centimeter-level accurate position coordinates are finally solved; s4, low-power-consumption operation is realized through a dynamic power management strategy and a time-triggered sleep wake-up mechanism, and the stability, precision and update frequency of positioning are maintained in a high-speed and high-interference dynamic scene by using adaptive Kalman filtering and a fast convergence algorithm; the method has the advantages of high positioning precision, low use power consumption, wide application range and safe and reliable data.

The utility model belongs to the technical field of inspection and assay, in particular to an extensometer synchronizing device applied to a tensile testing machine, which comprises a fixing device main body, a synchronizing shaft is rotatably connected onto the fixing device main body, and two ends of the synchronizing shaft extend to two sides of the fixing device main body and are fixedly connected with bearings. According to the fixing device, the fixing device body is arranged on the stand column of the tensile testing machine in the sleeving mode through the mounting hole, the rotary knob is rotated to drive the connecting rod to move through the lead screw, the connecting rod drives the corresponding second clamping plate to move at the same time, the second clamping plate moves towards the corresponding first clamping plate, and the stand column is clamped and fixed through the first clamping plate and the second clamping plate; the bearings are installed at the two ends of the synchronizing shaft on the fixing device body, finally the belt wheels are fixed at the two ends, the purpose that the belt wheels on the two sides can rotate synchronously is achieved, the structure is simple, the equipment failure rate is reduced, localization of imported spare parts is achieved, and cost is saved.

The present invention provides a rotating slip torque testing device and method, including a base, support frames fixedly provided on both sides of the base, a hinged loading cylinder provided on the top of the support frame, a rotating slip bottom fixedly provided in the middle of the base, a core shaft fixedly provided inside the rotating slip, a torque connecting plate fixedly provided on the core shaft, and both ends of the torque connecting plate hinged to the piston rod end of the loading cylinder; a hydraulic control system is also provided, and the hydraulic control system is used to provide the required hydraulic pressure for the loading cylinder and the rotating slip cylinder. The size of the load provided by the rotating slip cylinder is controlled by adjusting the pressure of the proportional relief valve; the test finds out the relationship between the rotating slip pressure and the torque it bears, and adjusts the appropriate pressure of the rotating slip cylinder according to the torque required for the operation to achieve a better clamping state, which effectively improves the operating efficiency of the equipment, eliminates safety hazards, and also increases the service life of the equipment.