Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.
设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。
Based on the construction of experiment teaching websites for analog electron and digital electron in University of Guangzhou, we discuss the construction pattern of the experiment teaching websites.
文章结合广州大学对电子信息工程专业的《模拟电子》、《数字电子》的两门实验教学的辅助学习网站的建设对实验教学网站的建设模式进行探讨。
First, based on the analysis of the original analog design, the author has participated in the improving of this hydraulic automatic gauge control system from analog control to digital control.
首先，在分析原模拟厚度控制系统的基础上，作者参与了该系统从模拟闭环控制到数字闭环控制的改造。
The cellular digital packet data(CDPD) system is a wireless packet communication system based on analog cellular telephone networks.
蜂窝数字分组数据（CDPD）系统是基于模拟蜂窝电话网的无线分组数据通信系统。
Analog regression method is suggested in this paper based on the theory of digital analogy in order to solve the curve fitting of the pipe cost.
本文基于数值模拟原理，运用模拟相关分析方法解决了管线造价的曲线拟合问题。
Based on the analysis to signal detection theory of FOG, the analog demodulation circuit and digital logic circuit etc were designed, and prototype test was carried out.
在对光纤陀螺信号检测理论分析的基础上，设计了模拟解调电路、数字逻辑电路等，并进行了样机测试。
Aiming at the disadvantages of analog frequency estimation in traditional receiver, this article proposes an algorithm of digital frequency discrimination based on distributed arithmetic.
针对传统接收机中模拟鉴频方法的缺点，提出了一种基于分布式算法的数字鉴频方法。
To free-axis RLC measuring lower precision caused by adopting analog phase discriminator, a measuring method based on digital phase discriminator is adopted.
针对自由轴法RLC测量中因使用模拟鉴相器导致测量精度低的问题，提出采用一种基于数字鉴相的测量方法。
Computer analog-based digital monitoring system of production dispatching is composed of data network collecting system and upper level computer monitoring and processing system.
基于计算机模拟技术进行监控的数字化生产调度监控系统由数据网络采集系统和上位机监测处理两部分组成。
The hardware components of the measurement and control system based on industrial personal computer consist of the analog input channel and the digital output channel.
测控系统以工控机作为硬件基础，分为模拟量输入通道和数字量输出通道两部分。
Two kinds of PAD, based on analog and digital I/Q demodulator respectively, have been constructed and tested in both laboratory and the klystron gallery of BEPCII linac.
基于模拟和数字I／Q解调器，构建了两种PAD，并分别在实验室和速调管长廊进行了测试。
This design construct an sinusoidal signal generator based on DDS(Direct Digital Frequency Synthesis), completed by MCU AT89S52 and necessary analog circuit.
本设计采用AT89S52单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术（DDS）的正弦信号发生器。
To reduce the power dissipation and chip size of digital calibration circuits of pipelined analog-to-digital converter (ADC), a new statistics-based background calibration technique is presented.
为了降低流水线模数转换器中数字校准电路的规模和功耗，提出了一种新的基于信号统计规律的后台数字校准技术。
This paper presented an analog to digital convert system based on AD1674, and introduced the hardware and software of the analog input channel, signal process and data display.
本文详细介绍了基于AD 1674的数据采集系统，对系统中的信号输入通道、信号处理、数据显示等从硬件和软件两个方面进行了阐述。
This paper introduces a time-domain extracting arithmetic based on signal range feature. The digital signal can be extracted from digital and analog mixed-signal exactly.
介绍了一种基于信号幅度特征的时域提取算法，可以准确地从数模混合信号中提取数字信号。
For example, the entertainment industry is moving its content production, distribution and consumption model from analog-based formats to digital.
例如，娱乐行业正在将其内容制作、发行和消费模式由基于模拟的方式转为数字模式。
Methods based on Walsh Function for calibrating analog-to-digital convert-ers(ADCs) at the bit level are presented in this paper.
本文提出了基于沃尔什函数的模数转换器（ADC）位检定方法。
The transition from analog to digital rf technology has generated the need for high-performance rf test tools and has fueled the demand for digital as well as PC-based oscilloscopes or digitizers.
从模拟到数字射频技术的转变产生了对高性能射频测试工具的需求，同时也为启动了对基于PC的示波器和数字化仪的需求。
A single chip Liquid Crystal Display (LCD) driver chip is developed based on dynamic scanning, which is a high voltage CMOS digital and analog mixed signal IC.
文章介绍了一种基于动态扫描原理的液晶显示(LCD)驱动芯片，该芯片为高压CMOS数模混合集成电路。
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。
The structure and performance of 16 bits analog-to-digital converter MAX195 is briefly described, and based onwhichtwo applications inMCUsystem includinghardware and software designs is discussed .
简要介绍了16位模数转换器MAX195的结构和性能，详细讨论了MAX195在单片机系统中的两种应用，并分别给出了硬件电路和软件程序设计。
Two approaches are developed:one based on a D flip-flop loop and the other based on a time-division multiplexing digital-to-analog converter (DAC).
为此提出了基于D触发器环路的相控阵信号发生技术和基于时分复用数模转换器（DAC）的相控阵信号发生技术。
Two approaches are developed:one based on a D flip-flop loop and the other based on a time-division multiplexing digital-to-analog converter (DAC).
为此提出了基于D触发器环路的相控阵信号发生技术和基于时分复用数模转换器（DAC）的相控阵信号发生技术。
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