查询词典 analog computer

The tole rance and nonlinearity in analog circuit make its fault diagnosisic difficult. In order to solve this problem, this paper presents an analog circuit fault diagnosis method based on Rough Sets-Neural Network.

文章针对目前模拟电路故障诊断中存在的容差和非线性特性所带来的诊断难点，提出了一种基于粗集－主成分分析的模拟电路故障诊断的方法。

Via the function simulation of analog cell and application circuit, the structure of this type of field programmable analog array has been shown to reach the expected goal.

通过相关模拟工具对单元电路和应用电路功能的仿真，表明这种结构的现场可编程模拟阵列基本达到了预期目标。

Analog part includes sample and hold circuit, current comparator and digital analog convert.

类比部份为：取样保持电路、电流比较器、数位类比转换器。

Based on the iso/iec 18000-6c standard, the analog circuit of the ultra high frequency passive transponder ic is designed, according to the design requirements of analog circuit.

基于iso/iec 18000-6c标准，以设计出符合标准的标签芯片为设计目标，超高频无源电子标签芯片模拟电路被提出。

First of all, the circuit output waveform in the case of losing it by measuring the input voltage and output voltage in order to detect amplification of analog circuits, and then by adjusting the frequency of AC voltage source to reduce the output gain make 3db analog circuits in order to measure the maximum cut-off frequency, pass band can be obtained.

本电路首先在输出波形不失真的情况下通过测量输入电压和输出电压从而测出模拟电路的放大倍数，然后通过调节交流电压源的频率使得输出增益减少3db从而测量出模拟电路的上限截止频率，即可求出通频带。

Doesn't be processed and direct is adopted analog-to-convert,the dyn amic range of analog-to-digital converterin data acquisition circuit can't match the need of GPR system and the problem will affect the exploration depth and resolution of GPR.

探地雷达回波信号具有动态范围大、频带宽等特点，如果不对回波信号进行处理直接进行A／D转换，则会出现动态范围不匹配的问题，严重影响雷达的探测深度和分辨率。

, [Chapter 5 of analog-digital conversion and digital-analog conversion], Chapt...

[第4章单片机功能应用]，[第5章模数转换与数模转换]，[第7章人机接口技术]，[第8章通信接口技术]。

It is a network terminal which is connected with digital television; it is used for transforming digital signals to analog signals. After decoding the digital constringent video and audio signals, it will engender analog video and audio signals. Consequently, it can provide high quality television program for audiences.

它是一种与电视机连接的网络终端设备，用于将数字电视信号转换成模拟信号，它通过对数字化压缩的图像声音信号进行解码还原，产生模拟视频和声音信号，以提供给观众高质量的电视节目。

Aim at the question of measurement inaccurateness for the causes of disturbances and temperature excursion in the PLC multi-analog signals measure system,a kind of analog calibration method least square algorithm based is put forward.

针对工程实际应用中，PLC多模拟量测量系统在干扰和设备温度漂移等多种因素的影响下，测试的不准确问题，提出了一种基于最小二乘法回归数学模型的PLC模拟量标定方法。

The working principle of a novel short st roke linear DC motor wit h permanent magnet s is presented. Mixed digital - analog cont rol approach based on DSP ( TMS320L F2407A) is proposed. Displacement detecting and cont rol technique are discussed. Displacement detecting circuit s , digital - to - analog converter (DAC7641) expanded circuit s and cont rol software are given.

阐述了一种新研制的短行程永磁直流直线电机的工作原理，提出了基于DSP ( TMS320L F2407A)的短行程直流直线电机数、模混合伺服控制系统方案，重点对直线电机的位置检测及控制技术进行了研究，给出了DSP 控制器的位置检测接口电路、16 位双极性数模转换器(DAC7641)的扩展电路和控制软件的实现方法。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。