By means of the investigation and analysis of environmental noise level in the northeast industrial district of Shijiazhuang city, the statistical characteristics, the distributive rule and the countermeasures of enviromental noise level in the industrial district are explored.
通过对石家庄市东北工业区环境噪声的调查和分析,探索工业区环境噪声的统计特性和分布规律及其防治对策。
The statistical characteristics of DFT algorithms for synchronous sampling and asynchronous sampling under stochastic condition are studied.
研究随机环境下DFT算法在同步采样和非同步采样2种情况下的统计特性,DFT算法包括普通DFT算法和加窗DFT算法,统计特性包括均值、方差和相关性等。
The statistical characteristics of the four earthquake ground motion models are compared with each other.
比较了Kanai Tajimi模型、Clough Penzien模型和改进的Kanai Tajimi模型和改进的Clough Penzien模型的统计特性。
An Experimental Observation and Study of the Abnormal Effect on photon Counting Characteristics
光子计数特性反常效应的实验观测与研究
counting rate-voltage characteristic
计数率-电压特性曲线
ROBUST ESTIMATION OF ILLUMINANT DIRECTION AND ALBEDO FROM SHADING INFORMATION
照明方向及反射特性参数的鲁棒估计
Analogue counting ratemeters characteristics and test methods
GB/T4861-1984模拟计数率表特性和测试方法
Analysis of the Properties of Complex Rotary Code for Computer Network
计算机网络用复数旋转码的特性分析
Characteristic Simulation of Hydraulic Damper and Its Parametric Design;
液压减振器特性仿真及其参数化设计
The Study on the Feature of the Random Field of Soil Parameter and the Best Estimation;
岩土参数随机场特性及最优估计研究
Computations of Unsteady Aerodynamic Characteristic of Rotor Airfoil at Low Mach Numbers
旋翼翼型低Ma数动态失速特性计算
Systematic Dynamic Characteristic Digital Simulation of Computer Control System in CNC Machine Tools;
数控机床计算机控制系统动态特性的数字仿真
Calculation and Simulation Design of Linear Induction Motor Electromagnetic Performance;
直线感应电机电磁特性数值计算与仿真设计
Parameter Estimation and Its Convergence of a Special Linear System Model;
一类特殊线性系统模型的参数估计及其收敛性
Numerical Calculation of Kerr Effect and Magnetoresistance for Nanomagnetic Materials;
纳米磁性材料磁光和磁电阻特性的数值计算
Numerical Study of the Dispersion and Nonlinear on Optical Transmission;
光纤传输中色散与非线性特性的数值计算研究
The Parameter Design of the Sticky Liquid Speed Regulating Brake and its Peculiarity;
液体粘性调速离合器及其特性参数设计
IF Amplifier with Linear and Logarithmic Characteristics
用线性和对数特性实现中频放大电路的设计
Numerical calculation of nonlinear dynamic characteristics for labyrinth seals
迷宫密封非线性动力特性的数值计算方法
Large Eddy Simulation of Turbulent Statistical and Transport Properties in Stably Stratified Flows
稳定分层流动中湍流统计特性和输运特性的数值研究
The Econometric Analyses on Outliers and Volatilities in Chinese Macroeconomic Data Series:1953~2001;
中国宏观经济统计数据异常性和波动性特征的计量检验:1953~2001
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