Application of noise measurement by using sound intensity for automobile air-conditioner;
声强测量法在汽车空调噪声测量中的应用
Question of noise measurement for low-noise electric power plant;
低噪声电站噪声测量问题
Source-driven noise measurements are simultaneous measurements of and randomly-pulsed neutron,which provide measured quantities related to the sub-critical neutron multiplication factor.
252Cf源驱动噪声测量是对Rossi-α和随机脉冲中子同时进行测量,这种方法能测量与次临界中子增殖因子相关的量。
Observer Design for Descriptor Systems with Unknown Input and Measurement Noise;
含有未知输入与量测噪声的广义系统观测器设计
In deeply integrated MSINS/GPS navigation system based on pseudorange and it’s rate, the measurement noise matrix R according to pseudorange and it’s rate is important to performance of the kalman filter;and it changes with circumenstance,and star position.
在MSINS/GPS深组合导航系统中,伪距、伪距率噪声对应的量测噪声阵R随环境、卫星位置的改变而改变,它对卡尔曼滤波器的性能影响很大。
The calculation of measurement noise covariance(R)is added to the normal Kalman filter.
提出在Kalman滤波中引入系统量测噪声协方差阵 (R)的计算 ,并对其加权 ,从而影响滤波增益 ,抑制发散。
In order to identify structural damage locations and extents, a two-stage damage detection method by using measured displacements is presented and the effect of measurement noise on damage detection performance is studied.
为了解决测量噪声下的损伤定位和定量识别问题,提出了基于测量位移的两阶段识别方法和基于统计理论的损伤敏感度分析方法。
Some factors,such as incomplete measurements,measurement noise,are main difficulties confronted in damage identification method for application.
测试信息不完备、测量噪声等因素是制约结构损伤识别方法应用的主要难点。
Measurement noise of sensor in guidance system is the main cause of degradation of guidance performance.
研究存在相对速度测量噪声时的鲁棒制导问题 ,根据一类变结构制导规律 ,分析了相对速度测量噪声、制导参数对导引收敛性的影响 ,以弹道收敛为准则 ,给出了实现鲁棒制导的条件 ,研究结果对设计先进的雷达制导系统具有重要意义。
Code for measurement of noise in industrial enterprises
工业企业噪声测量规范
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
Error Analysis in Radiated Noise Measurement Due to Acoustic Focusing of Typical Sound Sources
典型声源声聚焦引起辐射噪声测量误差的分析
Measurement for noise on platform of subway station
GB/T14228-1993地下铁道车站站台噪声测量
Method of measurement of current noise generated in fixed resistors
GB/T7016-1986固定电阻器电流噪声测量方法
Measurement of aircraft noise around airport
GB/T9661-1988机场周围飞机噪声测量方法
Measurement of noise in engine room of diesel locomotives
GB/T7182-1987铁路内燃机车动力室噪声测量
Measurement of noise emitted by electric tools-Engineering method
GB/T4583-1995电动工具噪声测量方法工程法
The Research of Digital Communication in Low Noise Testing System;
低噪声测量系统数字传输技术的研究
noise figure measuring set for microwave equipment
微波噪声指数测量仪
Measurement Technique of Noise Acoustic Intensity Based on Vector Hydrophone
基于矢量水听器的噪声声强测量技术
Study on Noise Detection and Sound Quality Evaluation of Machine Tool;
机床的噪声检测与噪声质量评价的研究
The Algorithm on Processor Noise Estimate with Colored Measurement Noise
有色测量噪声下的输入白噪声估计算法
Acoustics-Measurement of noise emitted by passenger cars under conditions representative of urban driving.
声学市区行驶条件下轿车噪声的测量.
The measurement of distribution of extericr wind noise of automobile by acoustic mirror
声学聚焦镜测量汽车车外风噪声分布
Conduct the displacement, pressure, temperature, strain, vibration& noise measurement.
进行位移、力、度、变,振动和噪声的测量。
measuring set of noise figure of TWT
行波管噪声指数测量装置
Research on the Noise Performance Mearsurement for Microwave BJT&FET Devices;
微波BJT/FET器件噪声特性测量的研究