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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.