- 连续信息向离散信息的转换
- 模 数转换
- 模拟 数字转换
- 模拟数字转换
- 模数转换
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analog digital conversion中文什么意思
例句与用法
- It provided not only some control signals that measure circuit need but also counters used for analog digital conversion . the calculation of data is accomplished by means of the application software
在硬件电路方面，本课题采用专用接口芯片pci9054实现测量板与计算机pci总线的接口，采用cpld芯片isp2128实现测量仪的数字控制部分功能。 - Secondly , basing on single channel if sr receiver mathematic model , this thesis has designed if sr receiver subsystem and brought forward its design project and system circuit principle diagram , and explained the system working principle . furthermore , this thesis introduces the working principles and respective applications of wideband high - speed adc ad6640 , ddc ad6620 and high - speed dsp tms320c6713 according with the if sr receiver subsystem high - speed analog digital conversion department , digital down conversion department and high speed digital signal processing department . thirdly , the thesis emphatically demonstrates the software realization department of the if sr receiver subsystem , which including ad6620 ' s inner parameter software setup , tms320c6713 data transmission and processing and the quadrant demodulation algorithm program realization
其次，基于单通道中频软件无线电接收机数学模型，本文设计了中频( if ， intermediatefrequency )软件无线电接收机子系统，给出了中频软件无线电接收机子系统的设计方案和系统电路原理图，说明了系统工作原理，并分别对应系统中的高速模数转换部分、数字下变频部分、基带数字硕士学位论文软件无线电理论研究及中频软件无线电接收机子系统设计信号处理部分，介绍了高速adcad664o ，数字下变频器( ddc ， digitaldownconverter ) ad6620 ，高速数字信号处理器( dsp ， digitalsignalproeessor ) tms320c6713的工作原理，以及它们在中频软件无线电接收机子系统中的应用。 - The thesis includes the design of hard circuit , pcb ( printed circuit board ) , driver and application soft involving a / d board and d / a board . the detailed functional modules consist of multiplex signals select module 、 analog digital conversion module 、 digital analog conversion module 、 pci protocol conversion module 、 driver and magnifying module 、 control logic 、 clock circuit and configuration circuit . the importance of the thesis is a / d board
本课题包括硬件电路、印刷电路板( pcb ) 、驱动程序和应用软件的设计，涉及a / d板和d / a板两大块部分，具体的功能模块包括多路信号选择模块、模数转换模块、数模转换模块、 pci协议转换模块、驱动放大模块、控制逻辑、时钟电路和配置电路，其中重点是a / d板部分。
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