机顶盒也把数字信号转换为模拟信号，所以一个旧电视可以显示程序。
The set-top box also converts the digital signal to an analogue signal so an older television can display the programs.
信号采样是模拟信号向数字信号转换的第一步，为数字信号处理奠定基础。
All-optical sampling is a fundamental part in the structure of the analog-to-digital conversion (ADC) processing, which is necessary for digital signal processing.
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.
利用计算机产生精确的数字信号，再将数字信号转换成模拟信号，以获得准确的反应堆周期电流信号。
An accurate digital signal is generated by computer and converted to analog, then precise reactor current signal is acquired.
所述前端电路包括用于将所接收的数字信号转换为多个模拟网络中被选择的一个的多个可编程信道电路。
The front end circuits comprise a plurality of programmable channel circuits for converting received digital signals into selected one of a plurality of analog network.
若要对模拟电视信号启用播放，卫星电视接收器需要将数字信号转换为标准电视可以识别和播放的模拟格式。
To enable playback on an analog TV signal, the satellite TV receiver converts the digital signal into an analog format that a standard television can recognize and playback.
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.
在需要回放时，再由单片机控制提取RAM中的数据，通过D/A转换器将数字信号转换为模拟信号，通过功率放大器将语音信号还原后回放出来。
When this system needs to playback, data is gotten from RAM, and it transforms into the analog signal through the D/A switch. Moreover through the power amplifier, the voice signal can be recovered.
但目前来看，美国人可能会主要转向购买低成本的转换盒，用在现有电视上接收数字信号。
But now, Americans may turn more heavily to purchases of low-cost converter boxes that can be attached to existing TVs to pick up digital signals.
2012年，英国将完成模拟信号向数字信号的转换，这就意味着几乎每家每户都可自由选择多种频道。
The switchover to digital signal by 2012 means that multichannel choice will soon be available to almost all households.
同样，数字电视转换后的一段时期，播出的数字信号也未必理想。
Also, in the days following the switchover, the digital signals being broadcast are unlikely to be up to snuff.
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.
调制解调器是在模拟和数字信号之间进行转换的设备。
A modem is a device that converts between analog and digital signals.
计算机兼容数字磁带(CCT)转换记录装置的功能是把多通道模拟信号高速地转换为数字信号。
The function of CCT (Computer Compatible Tape) conversion record apparatus is to convert multichannel analog signals into digital ones at high speed.
数一模转换，将数字信号(二进制)转换成与原信号相似的连续可变(模拟)信号的处理过程。
DIGITAL-TO-ANALOG, the process of converting a digital signal (binary) to a continuously variable (analog) signal that is a close approximation of the original signal.
汇编语言编写的模拟信号到数字信号的转换程序，测试成功。
Assembly language prepared by the analog signal to digital signal conversion, testing success.
声表面波(SAW)传感器能将被测量转换成容易检测的频率信号，即一种准数字信号的输出。
The surface acoustic wave (SAW) sensor can transform the measured object into frequency output, viz a kind of digital signal output.
移位电流被放大，转换成为电压，作为部分复合视频信号或者数字信号输送给外部世界。
The displacement current is amplified, converted to a voltage, and fed to the outside world as part of a composite video signal or digitized signal.
拟信号被转换为数字信号，并用DVD压缩标准压缩，然后传递到DVD上储存起来。
Analog signal is converted to a digital signal and compressed using DVD compression standards, then stored for transfer onto the DVD.
数据采集卡是一种把外界模拟信号转换成数字信号，并把数字信号输入到计算机系统的一种AD接口卡。
Data acquisition card is the AD interface card, which converts the analogy signal to the digital signal, and transfers the digital signal to the computer.
它需要一个精确的了解光能量被转换成数字信号，它需要一个审美直觉。
It requires a precise understanding of how light energy is converted into digital signals, and it requires an intuitive aesthetic.
鉴于此，本文提出了基于空气、冰与水的电容特性差异，通过电容值到数字信号的直接转换来测量冰层厚度的新方法。
In view of this, a new method based on the capacitance characteristics differences among air, water and ice is propounded, which converts capacitance value to digital signal directly.
调制解调器是一间转换装置，模拟和数字信号。
A modem is a device that converts between analog and digital signals.
包括焦平面阵列驱动电路、温度稳定电路、数据采集、数字信号处理、数据转换、视频合成等功能模块。
Which include drive circuit, temperature stabilizer, data sampling circuit, signal-processing circuit, data conversion, and video synthesis circuit.
本文介绍了高速模数转换器ads803的性能、引脚和工作方式，并给出了它与数字信号处理器TMS320 LF 2407的接口设计方案。
In this paper, the features of high speed digital-to-analog converter ADS803, pins and working way are introduced, and the interface design with digital signal processor TMS320LF2407 is given.
本文主要研究过抽样转换及其数字信号处理的原理，设计和应用。
This thesis mainly focused on the principle, design and application of the digital signal processing which was based on oversampling converter.
例如，输入传感器向信号转换器输入一个正确的模拟信号，但是错误的信号转换可能向CPU输入错误的数字信号。
For example, an input sensor may be feeding an accurate analog reading to a signal converter, but a faulty signal converter may be sending the CPU an inappropriate digital signal.
阐述了激光扫描系统的工作原理、信号提取过程中的信号转换及数字信号处理方法，并对客观评价的可行性进行了验证。
The operating principle of laser scanning system, signal conversion and processing method during signal extracting process are described. The feasibility for objective evaluation is demonstrated.
探讨了用DSP(数字信号处理器)和采样adc(模数转换器)实现数字锁定放大器的一种方法。
A method of implementing digital lock in amplifier with DSP (digital signal processor) and sampling ADC (analog digital converter) is discussed.
探讨了用DSP(数字信号处理器)和采样adc(模数转换器)实现数字锁定放大器的一种方法。
A method of implementing digital lock in amplifier with DSP (digital signal processor) and sampling ADC (analog digital converter) is discussed.
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