在70年代早期，大多数电话交换机还是机电模拟转换器。
In the early 1970s, the majority of telephone exchanges were still electromechanical analog switches.
此后，将波形序列输入到数字模拟转换器中（100），其中该波形序列具有在边界处的零偏移。
Thereafter a waveform sequence is input into the digital-to-analog converter (100), wherein the waveform sequence has a zero offset at the boundary.
一个或多个数字信号处理器(DSP)耦合起来可以构成速度很快的模拟-数字转换器(asc)，用来执行信号获取、预处理、触发器生成等操作。
One or more digital signal processors (DSPs) coupled to fast analog-digital converters (ADCs) perform the signal acquisition and pre-processing, trigger generation, and so forth.
近几年，我的主要的Web浏览器就一直在模拟环境中运行(更不用提字处理器、文档转换器，甚至信用卡处理软件)。
For a few years, my primary Web browser was running under emulation (to say nothing of word processors, document converters, and even credit-card processing software).
可以把数据直接输入到模拟数字转换器和计算机进行处理。
The data can be entered directly into analog digital converters and computers for processing.
通常，要求的输出信号为另一个模拟输出信号，这就需要数模转换器。
Often, the required output signal is another analog output signal, which requires a digital to analog converter.
“满刻度”是指转换器可能达到“数字过载”之前的最大可编码模拟信号电平。
"Full scale" refers to the converter could reach the "digital overload" maximum before the encoding analog signal levels.
可操作的连接到模拟到数字转换器(370)的信号处理器(108)处理数字接收信号。
A signal processor (108) operably coupled to the analogue to digital converter (370) processes the digital received signal.
该转换器的实现原理是，为每一份量值为输入模拟电压除以的电压提供一个内部参考电压。
This is accomplished by providing internal voltage reference for each of the quanta into which the analog voltage range is divided.
本人在毕业设计期间参加了CMOS图像传感器系统架构设计和从感光电路到模数转换器的整个模拟链的设计工作。
During my graduate design term, I have taken part in design of CMOS image sensor system and analog chain from pixel to analog to digital convertor.
作为模拟电路与数字电路的接口电路，高性能的模数转换器对整个设计系统的实现非常重要。
As a special interface connected with analog and digital circuits, high performance analog-to-digital converter is much more important in whole system design.
所以模拟信号数字化是信息技术的发展趋势，而A／D和D／A转换器在其中扮演着重要角色。
So digitalizing analog signal is the trend of information technology, in which A/D and D/A plays an important role.
就模拟输入而言，使模数转换器不能区别其变化的超范围的绝对电压值。超载值对于正输入和负输入可能不同。
For analog inputs, any absolute voltage value above which the analog-to - digital converter cannot distinguish a change. The overload value can be different for plus and minus inputs.
模数转换器是模拟电路和数字电路的接口，是手持终端中不可缺少的组成部分。
Analog to digital Converter is the interface of analog and digital circuit; it's an necessary part in the portable system.
同时，为了实现系统测量快速性的需要，选用流水线型模数转换器ads800进行压力模拟信号的数字化转换。
At the same time, in order to meet the need of fast measurement, pipeline analog-to-digital converter ADS800 is selected to convert analog signal of pressure.
数模转换器、模拟集成滤波器、基准电压源和高驱动能力运放等电路是通信系统中不可缺少的基本电路。
Digital to analog converter, analog integrated filter, bandgap reference and high drive capability operational amplifier are indispensability basic circuit of communication system.
模拟音乐通过模拟数码转换器转换为数码信号。
Analog music is converted to a digital signal via an analog-to-digital converter.
然而，过采样转换器的模拟部分可以使用简单和对误差不敏感的器件实现。
In contrast, oversampling converters can be implemented using simple and high-tolerance analog components.
模数转换采用了14位，四通道A／D转换器MAX1325，实现了自整角机四路模拟数据的同时、快速采样。
The 14-bit, four-channel A/D converter MAX1325 is employed to sample the analog input and output voltage of the synchro and then converted them into digital.
一种用于将数字信号转换为模拟信号的数模转换器(DAC)，包括第一温度计解码器和第二温度计解码器。
A digital-to-analog converter (DAC) for converting a digital signal to an analog signal includes a first thermometer decoder and a second thermometer decoder.
这些记录包括内置的16位转换器和较低成本(低性能)为多轨道模拟录像机的替代。
These recorders included built-in 16-bit converters and were low-cost (and low performance) replacements for multi-track analog recorders.
软件无线屯的设计思想之一是将A／D转换器尽可能靠近天线，即把A／D从基带移到中频甚至射频，把接收到的模拟信号尽早数字化。
One of the important conceptions of Software Radio is to make A/D converter close to antenna, we should convert IF analog signal even RF analog signal into digital signal.
数字系统与模拟系统之间需要有一个转换器，以便使两种系统相互理解。调制解调器的作用就在于此。
Digital and analog systems need an interpreter in order to understand each other. and that's where the modem (short for Modulator DEModulator) comes.
为了要抑制噪声效应，它包括量子化噪声，积分仪和模拟-数字转换器要求宽动态范围，高增益和良好的分辨率。
Wide dynamic range, high gain and fine resolution are required of integrators and Analog to Digital Converters in order to limit the effects of noise, including quantization noise.
视频采集部分采用模拟PAL制摄像头，配合高精度视频A/D转换器得到数字图像。
Video collection part adopts simulation PAL video camera, cooperate with precision the A/D converter get digital image.
数模转换器(DAC)将离散的二进制数字信号转换成与该数字信号成正比的模拟信号。
Digital to analog converter (DAC) can convert a discrete binary signal into an analog signal directly proportional to the value of the binary signal.
基准源模块广泛的应用于模拟和混合电路中，如A/D、D/A转换器，电压调谐器，电压表，电流表等测试仪器以及偏置电路。
Reference sources are widely used in analog and mix-mode circuits, such as A/D, D/A converters, voltage regulators, measurements, instrumentation circuits, and bias circuits.
搭建数模转换器的数字码输入-模拟值输出的测试系统；
The method comprises the steps of: constructing a testing system which inputs digital codes and outputs simulated values of the analog-digital converter;
任一变化在励磁电压的结果是由模数转换器在模拟输入电压。
Any change in the excitation voltage results is a change in the analog input voltage seen by the ADC.
任一变化在励磁电压的结果是由模数转换器在模拟输入电压。
Any change in the excitation voltage results is a change in the analog input voltage seen by the ADC.
应用推荐