35results about How to "Conducive to design and development" patented technology

The invention discloses a method and a device for realizing hardware level verification. The device comprises a basic development and verification board and an extended development and verification board which are connected with each other through an AMBA bus of a high-quality microprocessor bus framework, wherein the basic development and verification board reads and writes a CPU register through an EJTAG interface of a reinforced joint test action group and executes CPU IP verification, and the basic development and verification board and the extended development and verification board execute the CPU IP verification and SOC (system on a chip) verification through the AMBA bus. The method and the device have the advantages that: firstly, structures of the basic development and verification board and the extended development and verification board not only can conveniently realize design and development and functional verification of an SOC but also can complete the development and verification work of IP and particularly CPU IP; secondly, the cost can be reduced; and thirdly, system correction and extension are easier and realization is flexible and convenient.

The invention discloses an electronic replacement part technology state automatic detection system based on a PXI bus. The replacement part technology state automatic detection system based on the PXI bus comprises a controller with automatic detection system software, a PXI system, a VPC connector, an adaptor, a keyboard connected with the controller and a displayer, wherein the PXI system is formed by a PXI case and more than two PXI modules inserted into corresponding inserting grooves of the PXI case; the adaptor comprises a system self-test adaptor; the controller is connected with the PXI case through the PXI bus; signal ends of all PXI modules are connected with the self-test adaptor or a special test adaptor through the VPC connector; the system self-test adaptor comprises a standard current source, a standard resistor R, a reference source circuit, a square-wave generator, a signal route N1, a signal route N2, a signal route N3, a first copper foil short-circuit wire, a second copper foil short-circuit wire, a third copper foil short-circuit wire, a fourth copper foil short-circuit wire and a fifth copper foil short-circuit wire. The replacement part technology state automatic detection system based on the PXI bus has the advantages that due to the adoption of the adaptor, separating performance of an electronic replacement part to be tested and a PXI port is good, the system has good universality and expansibility, polytypic signals can be tested, and detection automation degree is high.

The invention relates to a method for adding comments to a comment list of an event, and an evaluation system. The method comprises the steps of receiving comment information of the event, and generating a comment ID for the comment information, wherein the comment information comprises comment contents and a user name; storing the user name and the comment contents, wherein a key name of the user name consists of the comment ID, an object name of the comment information and/or an attribute name of the user name, and a key name of the comment contents consists of the comment ID, the object name of the comment information and/or an attribute name of the comment contents; and storing and creating the comment list of the event, and storing the comment ID in the comment list added to the event. According to the method and the system, the readability of the key name can be improved, and early design development and later maintenance are facilitated, so that the development and maintenance costs are reduced.

The invention relates to an ARM based embedded integrated display simulation instrument. The ARM based embedded integrated display simulation instrument is composed of an ARM processing board, a display module, a control module, an audio module, a power supply module, an interface module, display simulation instrument software and the like. Interconnection of a plurality of integrated display simulation instruments is realized through instrument simulation software architecture. The ARM based embedded integrated display simulation instrument has the characteristics of low cost, high reliability, timeliness, simple interface, convenient debugging and the like, can improve the design and development efficiency of a flight simulator, and reduces the debugging and maintenance difficulty. Meanwhile, the ARM based embedded integrated display simulation instrument has an embedded software and hardware environment, not only can provide functional verification for a POP design, but also can provide verification for performance indexes, data interfaces and the like.

The invention discloses a microwave medium ceramic with a low dielectric constant and a low loss and a preparation method thereof and belongs to the technical field of a microwave medium ceramic material. The microwave medium ceramic has the characteristics of low dielectric constant, low loss, high temperature stability, continuously adjustable dielectric constant and high machining property. The composition of the microwave medium ceramic is expressed by a general formula: (Zn1-xLi2x)O.ySiO2+a weight percent of TiO2, wherein x is more than or equal to 0 and less than or equal to 1; y is more than or equal to 0.5 and less than or equal to 1; a is more than or equal to 0 and less than or equal to 20; and a is mass percentage in (Zn1-xLi2x)O.ySiO2. The microwave medium ceramic is prepared by the following steps of: 1) confecting zinc oxide, lithium carbonate and silicon dioxide according to the general formula (Zn1-xLi2x)O.ySiO2+a weight percent of TiO2, mixing and pre-burning the mixture to synthesize a main component and crushing the main component into powder; 2) putting powdery TiO2 into the main component and mixing to obtain a powdery mixture; and 3) blanking and sintering the powdery mixture. A specific tau f modifier TiO2 is selected, so the material has a dielectric constant of between 7 and 9, a high quality factor value of Q*f0 and adjustable frequency temperature coefficient tau f. Simultaneously, the material has the advantages of simple preparation process, no special requirement on equipment and workshop environment and contribution to batch production, application and popularization.

The invention provides a system for integrating product design and environment influence evaluation in a CAD system environment. The system comprises a product model importing module which imports a target product model from a CAD system, a product life cycle integrated modeling module which performs characteristic-based product state-process operation modeling to realize life cycle data integrated management, a product environment influence analysis module which is connected with the product life cycle integrated modeling module and performs product life cycle evaluation to generate an environment influence quantitative analysis result, and a product environment influence analysis result output module which is connected with the product environment influence analysis module and displays an environment influence analysis result in multiple forms. Meanwhile, the invention provides an integrating method of the integrating system. According to the system and method, integrated management of product design information and process design information is realized, product concurrent development is supported, and product design and development efficiency is improved; and integration of product design and environment influence evaluation is favorable for design and development of environment-friendly products.

The invention relates to the technical field of radar electromagnetic simulation, in particular to an automobile bumper electromagnetic characteristic simulation analysis and evaluation method. The method comprises the steps: performing structural analysis on a designed bumper, obtaining structural parameters and material parameters of an electromagnetic window corresponding to the millimeter-waveradar, inputting the material parameters into electromagnetic simulation software, setting simulation boundary conditions and excitation conditions to simulate an electromagnetic wave to irradiate the electromagnetic window, extracting simulation data, and evaluating the designed bumper according to the simulation data. The electromagnetic wave simulation experiment is carried out on the designedbumper in the simulation software, whether the bumper meets the requirement or not can be accurately evaluated without physical experiment operation, bumper design evaluation is facilitated to a great extent, the cost is low, and great popularization value is achieved.

An embodiment of the invention discloses a tab processing method and a tab processing device. The tab processing method applied to a browser of an electronic device includes acquiring a preset smart background configuration file after detecting a new tab building instruction; running the smart background configuration file to execute the following steps of acquiring an identifier corresponding to smart background data to be utilized currently, judging whether the acquired identifier is the same with or different from an identifier which is selected to ignore by a user and saved locally in advance, if different, then acquiring the smart background data to be utilized currently; rendering the tab which is requested according to the new tab building instruction according to the smart background data to be utilized currently so as to display the background of the new tab on the basis of the smart background data to be utilized currently. According to the scheme, the background of the tab is configured smartly on the basis of requirements of the user, and accordingly user's experience is improved.

The invention provides an ultra-high-speed photoelectric camera system test platform for shooting high-frequency collisions of a mechanical transmission system and relates to the field of high-speed photography. The ultra-high-speed photoelectric camera system test platform comprises a triggering module connected with a high-speed camera. When the mechanical transmission system performs the high-frequency collisions, the triggering module sends a triggering signal to the high-speed camera according to the strain force changes of collision objects of the mechanical transmission system or the displacement changes between the collision objects or the currents between the collision objects to control the high-speed camera to shoot the high-frequency collisions.

A Switch drive method based on a universal model belongs to the field of constructing Switch universal models, so as to solve the problems that the existing switch drive modules cannot drive multiple switch structures. The method comprises the following steps: step 1-1, determining the variety and the quantity of switches; step 1-2, allowing each end of each switch to be a channel; obtaining the channel number of all the switches based on the variety and the quantity of the switches; determining connection relationships among each channel, and naming all the channels for constructing an equivalent channel name list; using all the named channels respectively as row items and column items of the equivalent channel name list; constructing a model matrix by the space encircled by the row items and the column items of the equivalent channel name list; filling corresponding values in the model matrix based on the connection relationships among each channel, thereby finishing establishing the universal matrix model; step 2, driving the Switch by using the established universal matrix model. The Switch drive method based on the universal model is used for driving the switches.

The invention discloses a three-dimensional spacer fabric with hidden type ambient lamps. The three-dimensional spacer fabric comprises a spacer layer. At least one light-emitting body is inserted inthe spacer layer. The two sides of the spacer layer are each provided with a fabric layer, and at least one fabric layer on one side has a light-permeable effect. The three-dimensional spacer fabric is designed in the scheme and is a fabric which is formed in a tatting mode, a warp knitting mode, a weft knitting mode or other knitting mode and has a three-dimensional structure and the spacer layer, the light-emitting bodies are embedded in the spacer layer in a warp insertion or weft insertion mode so as to be protected, and abrasion is reduced. The light-emitting bodies are distributed in a customized mode according to demands of customers, the personalized requirements of the customers can be quite well met, and the designing and developing by design engineers and the producing and machining in a production workshop are facilitated.

The invention provides a downhole instrument wrecking blade connecting structure which comprises a first assembly, a second assembly and a connecting nut used for connecting and fixing the first assembly and the second assembly, four bosses are distributed at one end of the connecting nut in the circumferential direction, and the diameter of the connecting end of the first assembly is smaller than or equal to the inner diameter of the connecting nut. The outer wall of the connecting end of the first assembly is provided with step grooves used for clamping the bosses in the circumferential direction, and the outer wall of the connecting end of the first assembly is further provided with installation grooves corresponding to the four bosses and connected to the step grooves, and one end of the connecting nut is connected into the installation grooves of the first assembly in a sleeved mode through the bosses. The connecting end of the second assembly is provided with an external thread and is fixedly connected with the other end of the connecting nut in a threaded mode. The problems that an existing structure is complex, and inconvenience is brought to follow-up product design and instrument maintenance are solved. Belongs to the technical field of downhole instruments.

The invention discloses a real-time tone mapping method based on an accumulative histogram. The method comprises the following steps: carrying out histogram smoothing processing to obtain a smoothed histogram; setting a brightness offset coefficient and a contrast factor to adjust the smoothed histogram; calculating a cumulative histogram according to the adjusted smoothed histogram; performing transformation through the cumulative histogram to obtain a global mapping curve; a unique histogram smoothing algorithm is adopted, the histogram is effectively processed in all dimensions, the histogram is protected to be processed in the horizontal direction and the vertical direction, the wide dynamic effect is achieved without depending on a single frame of a multi-frame image, the overall occupied calculation amount is extremely low, the real-time performance is achieved while the wide dynamic effect is guaranteed, and the real-time performance is achieved. And the smoothing algorithm does not use a complex calculation process and excessive parameters, so that resources are greatly saved, and the operation efficiency is improved.

The invention discloses an automobile fluid pump dynamic parameter time domain testing and analyzing method. A fluid pump comprises a rotor, a blade, a cylinder block, a clutch armature connected witha rotor long shaft and a belt pulley; and a compressing cavity is formed in the pump. The automobile fluid pump dynamic parameter time domain testing and analyzing method comprises the following steps: S1, calibrating feature position information points of the fluid pump, wherein the feature position information points comprises an internal feature position information point and an external feature position information point; S2, collecting position signals: adopting a photoelectric sensor to carry out time domain triggering and conversion of a photoelectric signal, transmitting the dynamic parameter information of the fluid pump to a high-speed data acquisition instrument for real-time recording, by combing with recording of an external photoelectric time domain signal and synchronization of a dynamic parameter time domain signal, and precisely quantizing and recording the rotary performance of the fluid pump; and S3, carrying out dynamic parameter time domain analysis on the featureposition information points, in specific, S3 comprising S31 rotary performance analysis and S32 rapidly positioning and analyzing a failure part. The automobile fluid pump dynamic parameter time domain testing and analyzing method mainly solves the problem that when a rotator of the fluid pump operates and works, the time domains of an excitation response signal is not corresponding to that of astructural rotation position signal.