The first essential step in analog-to-digital conversion is to sample an analog signal.
模数转换关键性的第一步是对模拟信号进行采样。
Each data point (represented by a square) on the sampled signal in Figure 10.23 represents one analog-to-digital conversion.
采样信号上的每一个数据点(一个小方块)图10.23代表这一次模数转换。
System design mainly includes the addition circuit, A/D analog-to-digital conversion module, serial communication module, PC display module, etc.
系统设计主要包括加法电路，A/D模数转换模块，串口通信模块，上位机显示模块等部分。
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.
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。
The invention relates to a precise time measuring method, consisting of a waveform conversion module, an analog-to-digital conversion module, a counting module and a central processing module.
本发明涉及一种精密的时间测量方法，它由波形转换模块、模数转换模块、计数模块和中心处理模块构成。
The basic elements of a control system using a digital computer consist of the data-gathering devices which perform analog-to-digital conversion on data form the system which is to be controlled;
由在数据上执行模拟数字的转化的设备形成将被控制的系统的集合数据使用一台数字的计算机的一个控制系统的基本的元素组成；
Hardware is designed to provide a platform for the realization of temperature gathering to achieve this goal, which is divided into control module, analog-to-digital conversion module, display module.
硬件部分的设计是为温度采集的实现提供平台，为达到该目的将其分为控制模块、数模转换模块，显示模块。
Assembly language prepared by the analog signal to digital signal conversion, testing success.
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。
The function of CCT (Computer Compatible Tape) conversion record apparatus is to convert multichannel analog signals into digital ones at high speed.
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 analog signals must be converted to voltage signals suitable for conversion to digital form.
模拟信号须转换成适合于变换到数字形式的电压信号。
As most physical signals in the nature are analog signals, the conversion from analog signals to digital signals has become the key step in the process of signal processing and analysis control.
但是自然界中大多数物理信号却是模拟信号，因此，将模拟信号转化成数字信号是进行信号处理和分析的首要前提。
A twice modulation is designed:, CVSD was adopted to realize conversion between analog and digital voice signals, 2DPSK was used as the digital modulation mode.
设计出了二次调制系统：采用连续可变斜率增量调制（CV SD）实现模拟话音信号与数字编码的转换，采用二进制相对相移键控（2DPSK）作为数字调制方式。
Indicating a conversion from analog information to digital form.
表示模拟信息到数字信息的转换。
When the input signal has a wide dynamic range, the system throughput is limited by the conversion rate of the high-resolution analog-to-digital converters (ADC).
当输入信号动态范围比较大时，系统性能通常被高精度模数转换器(adc)所限制。
The conversion speeds and results of ADC0809 analog-to-digital converter are accurate tested and analyzed by using multi-master clock pulse with different frequency and pulse width.
使用多组不同频率和不同脉宽的工作时钟，定量测定分析ADC0 80 9模数转换器的转换速度和转换结果。
It is thus possible to provide an improved analog to digital converter having an improved signal to noise ratio whilst substantially maintaining conversion throughput.
因此，有可能提供一种改善的模数转换器，其具有改善的信噪比，同时基本上保持转换吞吐量。
A voltage-to-time based windowed analog-to-digital converter (ADC) can have programmable reference voltage, conversion time, and accuracy of voltage regulation.
一种基于电压至时间的加窗模数转换器(adc)，可以具有可编程的基准电压、转换时间以及电压调节的精度。
Thus, each transistor of the current mirror (100) defines a step of the digital to analog conversion circuit, and the ratio between adjacent steps is substantially constant.
因此，电流镜(100)的每个晶体管限定数字模拟转换电路的步，相邻步之间的比率实质上是常数。
Complete with the ADC0809 analog to digital signal conversion.
用adc 0809完成模拟信号到数字信号的转换。
In this instrument, the micro-power and powerful processors, high-speed analog-digital conversion chip and reasonable software design are adopted to improve measurement accuracy and timeliness.
该修正仪采用微功耗、功能强大的处理器，高速模数转换芯片以及合理化软件设计，提高了流量测量的实时性和准确度。
However, extending the upper frequency of such function signal generator is limited by the read-out time of the memory and the conversion rate of the digital-to-analog converter.
可是，这种信号发生器的上限频率的提高受存储器的读取时间和数模转换器的转换速度的限制。为了提高数字法函数信号发生器的上限频率，我们提出了用分布存储式数字法生成函数信号。
The composite video, YC component analog video signals such as AD conversion to obtain digital image signals, to extract the synchronization and clock signals. (2) Embedded Systems PCB drawing.
将复合视频、YC分量等模拟视频信号进行AD转换以获取图像的数字信号，同时提取其中的同步和时钟信号。
In the signal into the A / D converter analog to digital conversion, the final processing of data into the microcontroller, then the output is displayed, and determine whether there is a gas leak.
在把信号送入A/D转换器进行模数转换后，将最后的数据送入单片机进行处理，随后输出显示，并且判断是否有煤气泄漏。
If the analog value is in the upper half of the analog to digital conversion range, then the bit Cm will be kept otherwise it will be discarded.
如果模拟值在模数转换范围的上半部分中，则将保持位Cm；否则，丢弃它。
If the analog value is in the upper half of the analog to digital conversion range, then the bit Cm will be kept otherwise it will be discarded.
如果模拟值在模数转换范围的上半部分中，则将保持位Cm；否则，丢弃它。
应用推荐