adc轮询模式什么意思
ADC：模数转换器 (ADC: Analog-to-Digital Converter)
ADC is an abbreviation of "Analog-to-Digital Converter".
ADC是“模数转换器”的缩写 。
An analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts a signal of analog, such as a sound pulled out up by a microphone or light inwardly bounded towards a digital camera, into a digital signal in the field of electronics. An ADC may also make available an inaccessible measurement such as an electronic device that converts an input analog voltage or current to a digital number symbolizing the magnitude of the voltage or current. Normally the digital output is a two's complement binary number that is proportional to the input; however, there are further prospects or chances.
模数转换器 ( ADC，A / D或A-D )是一种可转换模拟信号的系统，例如麦克风发出的声音或向内朝向数码相机的光线，在电子领域变成数字信号。 ADC还可以使诸如电子设备之类的不可访问的测量可用，该电子设备将输入的模拟电压或电流转换成表示电压或电流的大小的数字。 通常，数字输出是与输入成比例的二进制补码二进制数。 但是，还有更多的前景或机会。
There are quite a lot of ADC architectures. Due to the complication and the requirement for accurately corresponding modules, the entirely however the mainly specialized ADCs are put into operation as integrated circuits (ICs).
ADC架构很多。 由于复杂性和对精确对应模块的需求，整个主要是专用的ADC作为集成电路(IC)投入使用。
A digital-to-analog converter (DAC) carries out the reverse function task; it converts a digital signal into an analog signal.
数模转换器(DAC)执行反向功能任务； 它将数字信号转换为模拟信号。
ADC应用 (ADC Applications)
Music recording:
音乐录音 ：
In the 2000s era of music, Analog-to-digital converters are very vital to music reproduction technology and digital audio workstation-based sound recording. In progress, the up to date crop of analog-to-digital converters made use of in music can sample at rates up to 192 kilohertz.
在2000年代的音乐时代，模数转换器对音乐再现技术和基于数字音频工作站的声音记录至关重要。 正在进行中，在音乐中使用的最新模数转换器可以以高达192 kHz的速率进行采样。
Digital signal processing:
数字信号处理 ：
ADCs are essential to process, accumulate, or convey virtually any analog signal in digital form. TV tuner cards, for example, make use of rapid video analog-to-digital converters.
ADC对于处理，累积或传输几乎任何数字形式的模拟信号都是必不可少的。 例如，电视调谐卡使用了快速视频模数转换器。
Scientific instruments:
科学仪器 ：
Digital imaging systems generally use analog-to-digital converters in digitizing pixels. Several radar systems generally use analog-to-digital converters to convert signal strength to digital values for succeeding signal processing.
数字成像系统通常在将像素数字化时使用模数转换器。 几种雷达系统通常使用模数转换器将信号强度转换为数字值，以进行后续的信号处理。
Rotary encoder:
旋转编码器
A range of non-electronic or only partially electronic devices, such as rotary encoders, can also be regarded as ADCs. Normally the digital output of an ADC will be a two's complement binary number that is proportional to the input.
一系列非电子或仅部分电子的设备(例如旋转编码器)也可以视为ADC。 通常，ADC的数字输出将是与输入成比例的二进制补码二进制数。
Testing:
测试 ：
Testing an Analog to Digital Converter needs an analog input source and hardware to send control signals and take into control digital data output. A range of ADCs also needs a precise source of the reference signal.
测试模数转换器需要模拟输入源和硬件来发送控制信号并接受控制数字数据输出。 一系列ADC还需要精确的参考信号源。
The main factors to test a SAR ADC are:
测试SAR ADC的主要因素是：
DC offset error
直流偏移误差
DC gain error
直流增益误差
Signal to noise ratio (SNR)
信噪比(SNR)
Total harmonic distortion (THD)
总谐波失真(THD)
Integral non linearity (INL)
积分非线性(INL)
Differential non linearity (DNL)
差分非线性(DNL)
Spurious free dynamic range
无杂散动态范围
Power dissipation
功耗
翻译自: https://www.includehelp.com/dictionary/adc-full-form.aspx
adc轮询模式什么意思