noise source

Analysis of the measurement method and the measurement uncertainty for microwave noise source;

微波噪声源定标方法及不确定度的分析

Detection and recognition of the main noise source of tractors using sound intensity based on virtual instrument;

基于虚拟仪器技术的声强法识别拖拉机噪声源

Identification and analysis of surface noise sources of marine diesel engine;

船用柴油机表面噪声源识别分析

The problems of identifying noise sources of the vehicle by the partial coherence analysis;

用偏相干分析方法识别车辆噪声源中几个问题的研究

Surface noise sources of S493Q diesel engine are identified.

利用复声强法测量内燃机表面噪声场分布 ,对S493Q柴油机表面辐射噪声源进行了识别 ,在找出主要噪声源之后 ,采取了相应的降噪措施 ,达到了很好的降噪效果。

The noise sources of drilling production are analysed.

本文对钻井生产的噪声源进行了分析,同时也对正常钻井作业时的主要岗位点的噪声进行了调查。

The noise from the centrifugal fan is measured and analyzed.

通过对离心风机噪声源的分析，进一步确认空气动力性噪声最强。

This paper introduces the common methods in identifying vehicle noise, and gives a introduction of the method of acoustic holography which has been extensively applied now.

作者介绍了识别汽车噪声源的常用方法 ,并对其中得到广泛应用的声全息法进行了较详细的论述。

On the basis of the analysis about noise sources of the air compressor,it shows that air dynamic noise is primary one.

通过对空压机噪声源的分析，确认空压机噪声源中的空气动力性噪声为最强；由流体流场的声学理论，建立空压机动力性噪声源的力学模型，它表明声功率与其它参数的关系；并知空压机的空气动力性噪声呈低频特性，这为噪声及振动控制提供了可靠的依

The analysis based on theory of angle tracking indicates that single pulse radar can track the target through tracking source of noise.

自卫式噪声干扰机装载于被保护平台,因此噪声与目标回波来自同一方向,从角跟踪原理分析,单脉冲雷达可以通过跟踪噪声源达到跟踪目标的目的。

Dynamic Current Testing on Power Supply Noise;

面向电源噪声的动态电流测试

A gate level maximum power supply noise(PSN) model is defined that captures both IR drop and di/dt noise effects.

实验表明,利用这种模型进行电源噪声估计,可以比传统模型提高5。

The Wide Aperture Temperature Adjusted Noise Source in 10GHz～90GHz

10GHz～90GHz宽口径变温噪声源

The Origin of Noises from Vehicle Transmissions and the Measures how to Lower Them

汽车变速器总成的噪声源及降噪措施

(1) "Noise emission" means emission of noise from the source to the living environment of the neighbourhood.

（一）“噪声排放”是指噪声源向周围生活环境辐射噪声。

Noise Distribution of Single Cylinder Diesel Engine and Exhaust Noise Control;

单缸柴油机噪声源识别及排气噪声控制

Identified Noise Sourse and the Optimized Design of Shell Components on the Low Noise Structure of YC6113 Disel Engine;

YC6113柴油机噪声源识别及薄壁件低噪声结构优化

Noise Measure and Control of Gas-steam Combined Cycle Power Generator

联合循环发电机组的噪声测量与噪声源识别

Indentifying and suppression of low frequency noise from the rotary compressor

旋转压缩机低频噪声源识别及噪声抑制

Study of Noise Source Identification and Noise Control of IC Engine

内燃机噪声源识别与噪声控制技术研究

Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using a reference sound source

GB/T16538-1996声学声压法测定噪声源声功率级使用标准声源简易法

Interior noise evaluation and noise source identification of a fuel cell vehicle based on psychoacoustic parameters

基于心理声学参数的燃料电池轿车车内噪声评价及噪声源识别

Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound source

GB/T4129-1995声学噪声源声功率级的测定--标准声源的性能要求与校准

Acoustics--Determination of sound power levels of noise sources--Precision methods for anechoic and semi-anechoic rooms

GB/T6882-1986声学噪声源声功率级的测定消声室和半消声室精密法

Physically, the resistor is effectively the source of noise.

从物理上来说，电阻器等效于噪声源。

W is a zero mean white noise source.

W是一个零均值的白噪声源。

Application of the Partial Coherence Function on the Noise Identification of Cars

偏相干法在识别轿车噪声源中的应用

Identifying Research on Noise Sources of Rotary Vane Compressor

旋叶式汽车空调压缩机的噪声源识别

Simulation Research on Noise Identification Based on Microphone Array System;

传感器阵列系统识别噪声源仿真研究

Research on Noise Source Identification and Control of Engine;

发动机噪声源识别及其控制技术研究