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40results about How to "Reduce R&D Risk" patented technology

High-spectrum image dimensionality reduction chip

The invention provides a high-spectrum image dimensionality reduction chip, which belongs to the field of image processing. The chip mainly completes the real-time dimensionality reduction processing on a large amount of high-spectrum image data. The chip is completed by adopting the VHDL speech, and is realized through being based on an in-site programmable gate array. The system chip manly comprises five parts: a system control module, a self correlation module, a feature value solving module, a feature value extracting module and a dimensionality reduction realization module. The invention can complete the real-time dimensionality reduction processing of the high-spectrum image data, and has the advantages of short development period, low design cost and low development risk.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

FPGA-based binary synchronization communication protocol controller

ActiveCN105515926AEnables unmodified portingGet rid of dependenceForward error control useBus networksBinary Synchronous CommunicationsParallel computing
The invention discloses an FPGA-based binary synchronization communication protocol controller comprising a processor interface module, a data sending cache module, a data receiving cache module, a sending channel module, a receiving channel module and a baud rate generation module. The data sending cache module, the data receiving cache module, and the baud rate generation module are connected to the processor interface module; the sending channel module is connected with the data sending cache module; and the receiving channel module is connected with the data receiving cache module. The sending channel module and the receiving channel module carry out state indication interaction.
Owner:THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Method for transmitting data file between computer and mobile terminal

InactiveCN101030864AEasily port or even use directlyGood module independenceData switching networksFile systemData file
The method comprises: when the files in the computer is transmitted to the mobile terminal, in the first, an initialization is executed; selecting a source file to be transmitted to the computer; the communication thread of computer uses signal mechanism to make real-time task communication with the mobile terminal; creating a target file used for writing data in, and opening the target file; the communication thread reads data from source file and packaging it into the writing file signals, and then packages the signals into the data frame in link layer, and sends the data frame to the mobile terminal through serial port; after confirming that the data is successfully written in, the remaining data is transmitted out using same way; after completing the transmission, the computer informs the file system of the mobile terminal to close the target file and to release the serial port and each relevant thread.
Owner:宋颖明

Dual Linux core processing device and method for starting core of Linux system

The invention relates to a method for starting a core of a Linux system and a dual Linux core processing device. An extra simplified Linux core instead of a bootstrap executes an auxiliary function. The starting method comprises the following steps of: starting the bootstrap; performing initialization operation by using the bootstrap; and detecting a request of starting the auxiliary function so as to load and start a first core for executing the auxiliary function, or starting a second core for executing a main function if the request for starting the auxiliary function is not detected, wherein the auxiliary function consumes less system resources relative to the main function.
Owner:LEADCORE TECH

Unmanned aerial vehicle task architecture rapid verification platform

The invention discloses an unmanned aerial vehicle task architecture rapid verification platform. The unmanned aerial vehicle task architecture rapid verification platform comprises an airborne platform and a ground platform, wherein the airborne platform comprises a flight platform unit (101), a differential GPS unit (102), a stability augmentation holder unit (103), an airborne image / data transmission unit (104) and a task load unit (105); and the ground platform comprises a ground image / data transmission unit (106), a video acquisition unit (108) and a ground control unit (109). According to the invention, in case of different task scenes and demands, through opening typical load interfaces on an airborne flight platform, rapid replacement of task loads is realized, and the conflict between diversity of the task loads and light weight of a four-rotor load is solved.
Owner:CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST

Portable measurement and control device for carrier rocket flight control system

The invention provides a portable measurement and control device for a carrier rocket flight control system. The portable measurement and control device for a carrier rocket flight control system comprises a touch screen and a board card, wherein the board card includes a main control board card, a plurality of function board cards and a transfer board; the plurality of function board cards are connected with the main control board card through a connector; a measurement command is sent to the main control board card through the touch screen; the main control board card converts the measurement command into a corresponding measurement excitation signal; the excitation signal is modulated as a signal which means carrier rocket electronic equipment is available through the signal transfer board; and the carrier rocket electronic equipment performs the corresponding motion. The portable measurement and control device for a carrier rocket flight control system realizes generalization, miniaturization and portability of measurement equipment, and can reduce the cost of the measurement equipment.
Owner:NO 32 RES INST OF CHINA ELECTRONICS TECH GRP

Image map-based urban monitoring system

The invention provides an image map-based urban monitoring system comprising a data acquisition module, a coordinate conversion module, at least one monitoring terminal, a monitoring processing module, a displaying module and a user interface; the data acquisition module is used for capturing map data of other map systems; the monitoring terminals are used for collecting information of a site under monitoring; the monitoring processing module is used for processing the information collected by the monitoring terminals; the displaying module is used for loading a map image and the monitoring terminals and displaying the map image; the user interface is used for interaction with users. Preferably, the data acquisition module captures the map images one by one and their longitude and latitude ranges under each map scale and generates different scale layers. The image map-based urban monitoring system allows map displaying to be achieved with no need for original vector map data, leading to lower development costs of non-online vector E-maps, shorter development cycle thereof and lower development expenditures thereof.
Owner:SHANGHAI AVCON INFORMATION TECH

Hyperspectral image anomaly detection system based on FPGA (Field Programmable Gata Array)

The invention relates to a hyperspectral image anomaly detection system based on an FPGA (Field Programmable Gate Array). The hyperspectral image anomaly detection system comprises a data input module, a covariance matrix solving module, a generalized inverse solving module and a result solving module; the data input module is used for equalizing window matrix data; the output end of the data input module is connected with the input end of the covariance matrix solving module; the output end of the covariance matrix solving module is connected with the input end of the generalized inverse solving module; the generalized inverse solving module is used for solving the generalized inverse of a covariance matrix; and the output end of the generalized inverse solving module is connected with the input end of the result calculating module. By adopting the hyperspectral image anomaly detection system based on the FPGA, the high-speed real-time processing of hyperspectral image data can be realized, hardware can be updated as requirement, and thus the requirement of high performance can be realized.
Owner:HANGZHOU DIANZI UNIV

Earphone plugging detection circuit, earphone detection device and audio equipment

The invention provides an earphone plugging detection circuit, an earphone detection device and audio equipment. Through the arrangement of an earphone detection circuit unit that is mainly composed of a biasing module and a low-pass filtering module, the purpose that the type selection of earphone sockets and earphone detection chips is not limited when designing related products can be achieved,that is, the research and development personnel do not need to consider whether the earphone detection chips support the negative voltage and whether the earphone sockets can be compatible with the normal-level and high-level audio output when designing the related products, and thus more selections, more flexible design and lower costs can be realized.
Owner:LEADCORE TECH +1

Work flow based on XML and Flash technology stack engine

The present invention relates to a workflow based on XML and Flash technology stack engine, comprising the following steps: writing a process module according to business requirements and publishing it to a process library; assembling the process module into a complete process script using an XML data structure; parsing the process script and Find the corresponding process module from the process library; when the workflow engine runs a new business, the process module parsed by the process script is dynamically loaded into the engine to provide business flow services, and the present invention can not change the code and logic of the existing system Under the condition of meeting the digital training and digital management of positions with standardized processes in various industries. Adopting the present invention can reduce the development cost of industrial software and reduce the risk of research and development. When the actual business changes, it is not necessary to change the software code, and the update of the IT system is promoted through data changes, so as to realize efficient and rapid software system iteration.
Owner:上海幻鱼信息科技有限公司

Mobile communication simulation system

The invention discloses a satellite mobile communication simulation system. The system is used for transferring calls of a calling user, calling a called user, performing terminal user management, forwarding and temporarily storing short messages and realizing the timed and repeated broadcasting of digital broadcast information, and comprises a network communication management server, a channel management server, a user management server, a short message management server and a digital broadcast management server. The simulation system provided by the invention can highly efficiently and rapidly simulate the whole simulation process, and helps to shorten a research and development cycle and reduce research and development risks.
Owner:CHENGDU LINHAI ELECTRONICS

Two-way reciprocal single longitudinal mode fiber ring cavity laser

The invention discloses a two-way reciprocal single longitudinal mode fiber ring cavity laser. The two-way reciprocal single longitudinal mode fiber ring cavity laser comprises a rare-earth-doped fiber (101) which is subjected to torsion processing, a first polarization controller (102), a first polarization converter (103), a narrow-band filter (104), an output coupler (105), a two-way line polarizer (110), a fine filter (112), a wavelength division multiplexer (113), a second polarization converter (114), a second polarization controller (115), a pump laser (111), a first isolator (106), a second isolator (109), a third polarization controller (107) and a fourth polarization controller (108). The two-way reciprocal single longitudinal mode fiber ring cavity laser can effectively eliminate the spatial hole-burning effect, reduce the usage of circularly-polarized light, reduce the systematic research and development risk, and reduce the influence of polarization state disturbance caused by environmental changes on the system stability, thereby improving the performance of the two-way reciprocal single longitudinal mode fiber ring cavity laser.
Owner:UNIV OF SCI & TECH OF CHINA

Method for determining in-vitro dissolution of felodipine sustained-release tablets

ActiveCN112526055AOvercome cohesionEnsure physiological temperatureComponent separationDissolutionPharmaceutical Substances
The invention belongs to the technical field of pharmaceutical analysis, and discloses a method for determining in-vitro dissolution of felodipine sustained-release tablets, wherein the method comprises the steps: dissolving out felodipine sustained-release tablets by using a two-chamber model experiment device, dissolving out a pH 6.8 phosphate buffer solution of which the medium is 0.3% lauryl sodium sulfate, and putting the felodipine sustained-release tablets into a rotating basket at the rotating basket rotating speed of 100 rpm; filtering the dissolution solution by a filter membrane, continuously extracting the dissolution solution, and measuring the concentration of the felodipine in the dissolution solution at the extraction speed of the dissolution solution and the supplementingspeed of a dissolution medium of 5-12 mL / min until the dissolution of the felodipine sustained-release tablets is completed; and determining the average dissolution concentration of the felodipine inthe dissolution solution at different time points by adopting a high performance liquid chromatography. According to the in-vitro dissolution method, the in-vivo absorption process is simulated, so that the accuracy of the in-vitro dissolution experiment is guaranteed, the consistency of a dissolution curve measured by the in-vitro dissolution experiment and the in-vivo absorption process is realized, and a guarantee is provided for realizing good prediction of the bioequivalence of a human body.
Owner:HUNAN HUIZE BIO PHARMA CO LTD

Method for measuring in-vitro dissolution rate of nifedipine controlled release tablets

The invention belongs to the technical field of medicine analysis, and discloses a method for measuring the in-vitro dissolution rate of nifedipine controlled release tablets, which comprises the following specific steps: (1) a dissolution medium enters a dissolution container from a liquid inlet, the nifedipine controlled release tablets in the dissolution container are dissolved out, and a dissolution liquid dissolved with nifedipine is output to a sampling device to complete sampling; and (2) the concentration of nifedipine in the collected sample is measured by using a high performance liquid chromatograph, an average differential dissolution curve graph between the concentration of nifedipine and the dissolution time is drawn, and a cumulative dissolution curve graph between the cumulative dissolution mass fraction and the dissolution time is obtained according to the differential dissolution relation. According to the method, the dissolution concentration of the nifedipine controlled-release tablets is measured by simulating the dynamic continuous process of in-vivo dissolution and absorption, different nifedipine controlled-release tablets are distinguished by quality, so that the BE experiment passing rate of the nifedipine controlled-release tablets is improved, and the research and development risk is reduced.
Owner:HUNAN HUIZE BIO PHARMA CO LTD

In-vitro dissolution method of mirabegron sustained release tablet

PendingCN114858986ADistinguish quality differencesDistinguish process differencesComponent separationTesting medicinal preparationsProlonged-release tabletPhysical chemistry
The invention belongs to the technical field of pharmaceutical analysis, and particularly discloses an in-vitro dissolution method of mirabegron sustained release tablets. A flow cell method is adopted, a dissolution medium is conveyed to a dissolution container through a constant flow pump, the medicine is continuously pumped out of the dissolution container along with the dissolution medium at the same constant flow speed in the swelling and erosion processes, and sampling is conducted at intervals at a fixed time point; and detecting the mirabegron sample concentration at each time point by using a high performance liquid chromatograph to obtain a mirabegron dissolution curve and an in-vivo and in-vitro correlation curve, and predicting the bioequivalence of the tested preparation and the reference preparation. The dissolution method adopted by the invention can truly simulate in-vivo release and absorption processes, realizes in-vivo and in-vitro correlation of drugs, and combines f2 factors to doubly analyze preparation differences, so that quality differences and process differences between a reference preparation and different tested preparations can be effectively distinguished, and similarity and quality consistency evaluation of mirabegron sustained release preparations is realized.
Owner:HUNAN HUIZE BIO PHARMA CO LTD

Method for quickly screening saccharification and/or ageing resisting substances

The invention provides a method for quickly screening saccharification and / or ageing resisting substances. The method comprises the steps of feeding fruit flies of 1-3 days old with a cane sugar aqueous solution containing potential active substances to be tested, besides, using the fruit flies only fed with a cane sugar aqueous solution as a control group, then performing hungry treatment on thetwo groups of the fruit flies, finally, performing feeding with pyruvic aldehyde, and counting the death quantity of the fruit flies at intervals until the two groups of the fruit flies are dead completely; and when the mortality rate of the fruit flies in the control group is 40%-60%, performing statistics on the survival condition of the fruit flies in the experiment group, judging whether the potential active substances to be tested can prolong the survival time of the fruit flies or not, and if yes, determining that the substances are saccharification and / or ageing resisting substances. Within a 7-day experiment period, compared with a conventional cell model and other animal models, at an extremely low economy cost, whether one substance has activity of resisting saccharification andageing can be determined, and a prominent platform is provided for large-scale high-throughput screening of active substances for resisting diabetes and resisting ageing relevant diseases.
Owner:上海普佑生物医药有限公司

Multifunctional display platform of direct-drive A/C-axis double-angle numerical control universal milling head

A multifunctional display platform of a direct-drive A / C-axis double-angle numerical control universal milling head comprises a pedestal, a stand column and a head body, wherein the pedestal is welded; the stand column is a hollow pipe, and the lower end of the stand column is connected with the pedestal through a bolt while the upper end thereof is abutted with the head body through axle hole clearance fit; a wire groove communicated with the inner hole of the stand column is arranged on the pedestal corresponding to the mounting position of the stand column; a rectangular groove is arranged at the side of the pedestal; and the head body is a hollow welded cubic structure or a regular trigone column assembled by a welding bracket, a protection piece and a connection piece. The multifunctional display platform of the direct-drive A / C-axis double-angle numerical control universal milling head has the following advantages of: (1) replacing the machine tool, independently displaying the functions of the functional components, and saving the cost; (2) being convenient for assembly and transportation because the stand column and the pedestal are fixed through a bolt, and the stand column and the head body are combined through a joint and reducing the time and cost; (3) shortening the development period and reducing the development risk; and (4) occupying small area, wherein three or four multifunctional display platforms of the direct-drive A / C-axis double-angle numerical control universal milling head can be arranged in the area occupied by one machine tool.
Owner:SHENYANG MACHINE TOOLGRP RES & DESIGN INST CO LTD SHANGHAI BRANCH

LCOS chip resolution conversion method based on time color mixing

The invention discloses an LCOS (Liquid Crystal On Silicon) chip resolution conversion method based on time color mixing, which comprises the following steps of: firstly, manufacturing an LCOS chip tape-out which is not covered with a color filter film, then decoding and converting an input VGA (Video Graphics Array) signal through an A / D (Analog to Digital) module, and then differentiating the decoded and converted VGA signal into three frames of independent RGB (Red, Green, Blue) signals through an FPGA (Field Programmable Gate Array), and three frames of independent RGB signals are successively sent to the LCOS chip according to a subfield driving time sequence, and finally the differentiated frames are synthesized into high-resolution video signals. According to the invention, the conversion from the CF mode LCOS chip with lower resolution to the CS mode LCOS chip with higher resolution can be realized on the premise of not changing the existing production process flow, the tape-out cost of the chip is reduced, the research and development risk is reduced, and the obtained chip is high in aperture ratio, high in pixel resolution, good in color rendition degree and high in production yield.
Owner:CHENGDU JIUTIAN HUAXIN TECH CO LTD

Method for determining the in vitro dissolution of felodipine sustained-release tablets

ActiveCN112526055BOvercome cohesionEnsure physiological temperatureComponent separationProlonged-release tabletDissolution
The invention belongs to the technical field of drug analysis, and discloses a method for measuring the in vitro dissolution of felodipine sustained-release tablets. The felodipine sustained-release tablets are dissolved using a two-chamber model experimental device, and the dissolution medium is 0.3% sodium lauryl sulfate. pH 6.8 phosphate buffer solution, felodipine slow-release tablets are placed in the rotating basket, the rotating speed of the rotating basket is 100 rpm, the stripping solution is continuously extracted after the stripping solution is filtered through the filter membrane, and the extraction speed of the stripping solution is the same as that of the dissolution medium. The replenishment rate was 5-12 mL / min to measure the concentration of felodipine in the dissolution liquid until the dissolution of the felodipine sustained-release tablet was completed; the average dissolution concentration of felodipine in the dissolution liquid at different time points was measured by high performance liquid chromatography . The in vitro dissolution method of the present invention ensures the accuracy of the in vitro dissolution test by simulating the in vivo absorption process, realizes that the dissolution curve determined by the in vitro dissolution test is consistent with the in vivo absorption process, and provides guarantee for realizing good prediction of human bioequivalence.
Owner:HUNAN HUIZE BIO PHARMA CO LTD

Single-chip microcomputer control circuit with built-in high-voltage-resistant charging management and motor driving circuit

The invention discloses a single-chip microcomputer control circuit with a built-in high-voltage-resistant charging management and motor driving circuit. Comprising a single-chip microcomputer kernel, a high-voltage-withstanding charging management circuit, a direct-current motor forward and reverse rotation driving circuit, a digital-to-analog conversion circuit, a timer, an internal RC oscillating circuit, an I / O port control circuit, a static data memory, a program memory and a low-voltage reset / watchdog circuit. A three-in-one single-chip microcomputer chip solution integrating a high-voltage-withstanding charging management circuit, a motor forward and reverse rotation driving circuit and a control circuit is mainly applied to a sound wave electric toothbrush powered by a lithium battery and other products, wireless induction charging and a USB interface 5V charging mode are supported at the same time, and an external charging management chip and a direct-current motor forward and reverse rotation driving chip are not needed. According to the invention, a circuit architecture of a fully-integrated single chip of a chip scheme of a similar electronic product is realized.
Owner:深圳联合辉腾科技有限公司

A method for determining the energy of electric vehicle power battery under cycle conditions

ActiveCN106202972BSolve the problem that the cruising range is difficult to meet the design requirementsReduce R&D RiskInformaticsSpecial data processing applicationsPower batteryEngineering
The invention relates to a method for determining energy of a power battery of an electric automobile under circulating working conditions. The method comprises the following steps of breaking down each circulating working condition of the pure electric automobile into a uniform speed working condition, an acceleration working condition and a brake working condition; respectively determining the energy requirements under each of the uniform speed working condition and acceleration working condition; determining the driving energy consumption of the whole automobile under the uniform speed working condition and acceleration working condition, so as to obtain the energy requirement of a power battery pack. The method has the advantages that in the early design period of the pure electric automobile, the energy of the power battery is calculated according to the endurance mileage requirement under the circulating working condition, the endurance mileage requirement of the whole automobile is guaranteed, the research and development risk of a project is decreased, and the defect of low calculation accuracy of energy of power battery according to endurance mileage requirement under the uniform speed working condition is overcome.
Owner:芜湖泰瑞汽车有限公司

Vehicle sound insulation performance analysis method, system and medium

ActiveCN113255060BAccurately evaluate the sound insulation levelImprove work efficiencyGeometric CADSustainable transportationSound sourcesEngineering
The invention discloses a vehicle sound insulation performance analysis method, system and medium, and relates to the technical field of vehicle sound insulation detection, comprising the following steps: collecting a sound source imaging map and a sound source spectrum map of a vehicle to be tested in a preset state; collecting the The sound insulation contribution of the vehicle to be tested; obtain the weak position of the sound insulation of the vehicle to be tested according to the sound source imaging map and the sound source spectrum; obtain the mapping table of the sound insulation contribution and the sound insulation requirement; according to the sound insulation contribution Quantities and the mapping table to obtain the sound insulation requirement level of the part. The present invention is carried out in a noise-absorbing environment, which avoids most of the sounds caused by the influence of the vehicle glass from being injected into the vehicle through the glass. The package analyzes the contribution of sound insulation, with high work efficiency and good detection accuracy, which realizes lightweight products, low-cost research and development, and ultimately shortens product development cycles and reduces research and development risks.
Owner:DONGFENG MOTOR GRP

Product model construction method and device, electronic equipment and medium

The invention provides a product model construction method and device, electronic equipment and a medium. The method comprises the steps of receiving a query request, wherein the query request comprises model features of a to-be-developed product model; in response to the query request, obtaining associated information matched with the model features from the service architecture; generating full-process information of the to-be-developed product model based on the associated information; and constructing a to-be-developed product model based on the full-process information.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Multifunctional display platform of direct-drive A/C-axis double-angle numerical control universal milling head

A multifunctional display platform of a direct-drive A / C-axis double-angle numerical control universal milling head comprises a pedestal, a stand column and a head body, wherein the pedestal is welded; the stand column is a hollow pipe, and the lower end of the stand column is connected with the pedestal through a bolt while the upper end thereof is abutted with the head body through axle hole clearance fit; a wire groove communicated with the inner hole of the stand column is arranged on the pedestal corresponding to the mounting position of the stand column; a rectangular groove is arrangedat the side of the pedestal; and the head body is a hollow welded cubic structure or a regular trigone column assembled by a welding bracket, a protection piece and a connection piece. The multifunctional display platform of the direct-drive A / C-axis double-angle numerical control universal milling head has the following advantages of: (1) replacing the machine tool, independently displaying the functions of the functional components, and saving the cost; (2) being convenient for assembly and transportation because the stand column and the pedestal are fixed through a bolt, and the stand column and the head body are combined through a joint and reducing the time and cost; (3) shortening the development period and reducing the development risk; and (4) occupying small area, wherein three or four multifunctional display platforms of the direct-drive A / C-axis double-angle numerical control universal milling head can be arranged in the area occupied by one machine tool.
Owner:SHENYANG MACHINE TOOLGRP RES & DESIGN INST CO LTD SHANGHAI BRANCH

Camera module radio frequency interference test system

The embodiment of the invention provides a camera module radio frequency interference test system. The camera module radio frequency interference test system comprises a lighting device, a probe and aspectrum analysis device, the probe is connected with the spectral analysis device, and the probe is movably arranged close to the lighting device; the lightening device is used for installing a camera module to be tested and driving the camera module according to a preset lightening condition; the probe is used for collecting a radiation signal of the camera module; and the spectrum analysis device is used for analyzing the radiation signals. The camera module radio frequency interference test system can effectively and accurately test the radio frequency interference of the camera module monomer.
Owner:KUNSHAN Q TECH CO LTD

Method for determining etomidate emulsion injection in-vitro release curve

The invention relates to a method for determining an etomidate emulsion injection in-vitro release curve, which comprises the following steps: pumping a release medium with the temperature of 36-37.7 DEG C into a flow cell; adding an etomidate emulsion injection into a dialysis bag, and placing the dialysis bag in the flow cell; taking a sample outside the dialysis bag at different time points to obtain a drug release solution, and detecting the drug release solution to obtain the concentration of the etomidate emulsion injection; and calculating the release degree of the etomidate emulsion injection, and drawing a release curve. According to the method, the distribution and absorption process of etomidate in blood can be objectively simulated, the quality of etomidate emulsion injections of different prescription processes can be distinguished, the etomidate BE test passing rate is increased, and the research and development risk is reduced.
Owner:WUHAN DOCAN PHARMA
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