模拟电信号

插入式DAQ设备测量DC信号的操作类同于模数转换器（ADC），将模拟电信号转化成计算机可识别的数字值。

The plug-in DAQ device that measures DC signals operates as an analog-to-digital converter ( ADC ), which converts the analog electrical signal into a digital value for the computer to interpret .

首先选用合适的CMOS图像传感器和闪烁材料设计出了X光相机面板，完成了X光到可见光再到模拟电信号的转换。

In X-ray camera panel , we select the appropriate CMOS image sensor and a scintillating screen to convert X-ray to visible light , and then , we change the visible light into simulating electric-signal .

全光模数转换利用光子技术实现对模拟电信号的采样及量化，可以在实现超高采样率的同时，得到高量化精度，是突破电子ADC瓶颈的有效手段。

All optical analog-to-digital conversion makes use of photonic technologies to sample and quantize the electrical analog signal , which has the potential to realize high sampling rate and high resolution at the same time . It is a promising technology to break through the bottleneck of electronic ADCs .

很多输入和输出设备的操作都是通过发送/接收模拟状态下的电信号完成。

Many input and output devices operate by issuing / receiving electrical signals which are in analog form .

测量电路部分给出了将传感器采集来的模拟信号转化为电信号的测量方法，并设计了测量电路。

On the part of the measurement current , the method of change the collection simulation signal to electricity signal is proposed , and design the measurement circuit .