失真仪

一种高准确度超低频电压测试标准&8801超低频电压及失真测试仪

A type 8801 measuring standard of ultra-low frequency signals voltage and distortion

本课题研究的数字化失真度仪采用了数字信号处理的技术和方法。

The paper discusses digital signal distortion meter with the technology and method of digital signal processing .

包络延迟失真测量仪

Envelope delay distortion meter

论文的绪论部分简要介绍了各种失真测试仪的测量原理、分类并给出了数字式失真度测试仪的设计方案；

In this paper , the introduction part introduces detection principle and classification of kinds of distortion meters and introduces the design of digital distortion meter .

8801超低频电压及失真测试仪是一种采用单片计算机、A/D变换器的采样-计算式仪器，它可以测试超低频信号的周期、电压、失真和谐波等各种参数。

A type 8801 measuring standard of ultra-low frequency signal 's voltage and distortion is a sample calculating instrument in which the A / D convertor and microprocessor are used . It can measure ultra-low frequency signal 's period , voltage , distortion and harmonic .

基于PC104的失真度测量仪设计与实现

Design and Realization of Signal Distortion Measurement Instrument Based on PC 104

介绍了基于PC104的失真度测量仪的数字化测量原理、硬件设计方案和软件流程。

The digitized measurement principle , hardware scheme and software flowchart of PC 104-based distortion measurement instrument are introduced in this paper .

GB/T15472-1995失真度测量仪通用技术条件和测试方法

Generic specification and test method for distortion meters

计量逻辑学中的近似推理与二值逻辑中命题的条件真度理论GB/T15472-1995失真度测量仪通用技术条件和测试方法

Approximate Reasoning in Quantitative Logic and the Theory of Conditional Truth Degree of Formulas in Classical Logic ; Generic specification and test method for distortion meters

移相式谐波失真度测量基于FFT的低频谐波失真度测试仪

Phase & shift harmonic distortion measurement The design of instrument of distortion measuring

文章介绍了汽车后视镜失真率的测试原理，针对国内目前测试方法存在的问题，提出了新的测试方法，并据此设计了新型汽车后视镜失真率测试仪。

The testing principle of rear vision mirror distortion , rate is introduced . According to the existing problems in present testing method , the new testing method is raised .