The hardware includes chip selection, schematic design, PCB layout, plate made, welding, hardware debug and test and so on.
硬件部分包括芯片选型、原理图设计、PC B布板制版焊接、硬件调试与测试等。
In this part, the paper mainly discusses the operation principle of SDRAM, chip selection, the diagram of design, the internal module designs in FPGA and the parameter of the board.
主要介绍了SDRAM的工作原理、FPGA芯片选型、总体设计框图、FPGA的内部设计模块以及性能参数等。
Following the hardware design the main function of the system including CPU module, audio and video, the bus network, was discussed in detail from the chip selection to the circuit design.
继而从芯片选型到电路设计详细论述了系统CPU模块、音视频、总线网络等主要功能部分的硬件设计。
The selection principle of bus interface chip and solution of bus conflict are introduced, together with its concrete hardware circuits and software block chart are given.
分析了总线接口芯片选择原则和总线冲突解决方案，给出了系统实现的硬件接口电路和软件实现详细框图。
A phase selection PLL is adopted to adjust the phase of the recovered clock, and the chip area of the recovery circuit is greatly reduced without sacrificing the noise performance of the system.
设计了一个数字时钟数据恢复电路，采用相位选择锁相环进行相位调整，在不影响系统噪声性能的前提下大大降低了芯片面积。
Dry chip percentage was domantly performed in additive genetic effect, which made it possible to predict the results from phenotype combining, but breeding selection potential was low.
薯干率加性效应遗传占绝对优势，高薯干率育种一般从表型组配亲本组合可获预期效果，但育种选择潜力较低。
Sensors selection infrared sensors, because the sensor launch part adopts two 555 chip realization, relatively simple.
传感器选用红外线传感器，因为该传感器的发射部分采用两个555芯片实现，较为简单。
Type selection and design of control chip.
控制芯片的选型与设计。
It is an efficient solution that transmitting wireless data in short distance by system of chip, which is also a good selection to design low cost system of wireless communication.
采用射频片上系统进行无线通讯设计，为短距离无线传输数据提供了较好的解决办法，是开发低成本、低功耗无线通讯应用系统的较好选择。
The major influencing factors for experimental design, based on the test, focusing on circuit design and motor selection, air-cooled chip design and design automation.
针对主要影响因素进行了试验设计，在试验的基础上，着重对电路系统的设计及电动机的选择，风冷片的设计和自动化控制的设计。
The implementation of the phase selection unit based on direct logic enables a higher speed and saves area on the chip.
根据控制逻辑来实施相位选择单元使得能够获得更高的速度并节省芯片面积。
Task of the subject is to complete the design and implementation Modulator, which is an important equipment of cable digital vedio broadcasting, with the core chip FPGA device selection.
本课题目的是完成有线数字电视广播系统的重要设备——调制器的设计和实现，核心器件选用FPGA芯片。
Against each parameter, expounded the selection and fixing measure of relevant sensors, and the modulation of the sensor signals and the design of the interface circuit that based on single-chip.
针对每个参数，都详细阐述了相应的传感器的选型和安装措施，传感器信号的调理整形及其与单片机接口电路的设计。
An electric actuator based on single chip computer AT89C2051 is introduced. The hardware selection for controller, criteria of software design and block diagram of program are given.
介绍了一种基于单片机at89 C2 0 5 1的电动执行机构，给出了控制器的硬件选用、软件设计原则和程序框图。
We have accomplished a primary explore of the checkout system, such as, the design of imaging optics road, the calculation and selection of sensor, the selection of digital processing chip.
本文完成了该检测系统的初步探索：根据几何光学原理，设计了成像光路的方案； 完成所需图像传感器分辨能力的计算和型号的选择；
We have accomplished a primary explore of the checkout system, such as, the design of imaging optics road, the calculation and selection of sensor, the selection of digital processing chip.
本文完成了该检测系统的初步探索：根据几何光学原理，设计了成像光路的方案； 完成所需图像传感器分辨能力的计算和型号的选择；
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