noise meter

Based on the requirements of noise test of safety test standard on toys,the method of noise test and defined position of measurement point were described.

基于欧洲玩具安全标准中玩具噪声测试要求,按玩具类型对其噪声测试方法、测试点位置的确定进行论述,并对玩具噪声测试自动定位装置的机构设计、控制原理、硬件配置和应用进行重点的阐述,指出该定位装置解决了声响玩具噪声测量中测试点位置确定这个关键问题。

In view of the environment characteristic of solid rocket motor ground ignition test and the former noise test system foundation, a new noise testing method of solid rocket motor ground ignition test is proposed.

针对固体火箭发动机地面点火试车试验的环境特点,在研究了以往固体火箭发动机噪声测试系统的基础上,提出了一种能够消除混响干扰的固体火箭发动机地面点火试车试验噪声测试方法。

Secondly,research development of noise control is analyzed and theory research of noise radiation,noise measurement and noise resource diagnosis,CAE,research of numerical value and visual analysis,noise active control are .

接着,分析噪声控制工程的研究进展,提出噪声辐射理论研究,噪声测试与声源诊断,CAE、数值化与可视化研究,噪声的主动控制技术。

The development techniques and applications of the virtual instrument for noise measurement & analysis on CY6140 engine lathe based upon NI LabVIEW 7 full development platform are briefly discussed.

介绍了基于NILabVIEW 7Express开发平台设计开发适于机电设备噪声测试虚拟仪器的实现技术及其在CY61 40普通车床噪声的测试实验 。

To enhance the efficiency of noise measurement instrument and shorten the testing circles,a detailed configuration of the noise measurement hardware platform and a program of its relevant software are given.

为了提高噪声测试仪器使用效率,缩短测试周期,给出了一种噪声测试硬件平台的具体搭建方式及其配套软件的编写过程。

transistor low-frequency noise-meter

晶体管低频噪声测试仪

Noise Measurement and Reduction of Motorcycle Abroad

世界各国摩托车的噪声测试方法及降噪措施(1)

Test method for noise emitted by copying machine

GB/T10157-1988复印机械噪声测试方法

Rumble measurement test record

GB/T3320.4-1982转盘噪声测试唱片

A Noise Testing System Used for Engine Based on Virtual Instrument;

基于虚拟仪器的发动机噪声测试系统

Noise Analysis of Dual Fuel Engine and Diesel Engine

双燃料发动机及柴油机噪声测试分析

The Implementation Of Phase Noise Measurement Using a Spectrum Analyzer

直接频谱仪法在相位噪声测试中应用

Study on Phase Noise Test of Radiation Hardened Integrate Circuits

抗辐射加固IC电路相位噪声测试研究

Research on Shot Noise Measurement for Short-channel MOSFET Devices

短沟道MOSFET散粒噪声测试方法研究

Application of CAT technology on gearbox noise measurement

CAT技术在变速箱噪声测试中的应用

Noise Testing and Analysis of Automotive Engine Timing Chain

汽车发动机滚子链的噪声测试与分析

Application of Order Tracking in Automobile Running Noise Measuring

汽车车内行驶噪声测试的阶次跟踪法

Measurement of Image Noise for Philips Large Bore CT-Simulator

PHILIPS大孔径CT模拟机噪声测试研究

A Study on Automobile Engine Noise Measurement and Psychoacoustic Evaluation System;

汽车发动机噪声测试及心理声学评价系统研究

An investigation of background noise measurement technology in aeroacoustic wind tunnel

低速航空声学风洞背景噪声测试技术研究

Application of DAMAS Method of Microphon Array for Measurement of Airplane Noise

传声器阵列反卷积法在飞机噪声测试中的应用

The Test System Design for the Noise of OCDs and Study on Analysis Approach of 1/f Noise;

光电耦合器件噪声测试系统设计及其1/f噪声分析方法研究

Noise measuring analysis on the ground test of solid rocket motor

固体火箭发动机地面试验的噪声测试分析(英文)