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。
Statistical properties analysis of dynamic speckles produced by a rotating cylindrical surface;
旋转柱面产生动态散斑的统计特性分析
Numerical stimulations of startup and statistical properties of SASE FEL;
SASE自由电子激光起振问题及统计特性的数值模拟
First-order statistical properties of ultrasonic speckles back-scatteredfrom a kind of weak scattering interface;
一类弱散射界面背向散射超声散斑一阶统计特性
Research on breakdown-voltage improvement and statistical property of vacuum interrupters with multi-breaks;
多断口真空开关击穿电压增益与统计特性研究
The statistical property of electrical breakdown in vacumm interrupters under impulse stress is experimentally studied.
本文实验测取了实际真空灭弧室在雷电冲击电压下的静态击穿统计特性。
The concept of statistical property transformation is discussed according to the situation in which channel input is stationary and non-identically independent distribution(i.
在此基础上针对输入信号为平稳非独立同分布且有已知自相关函数的情况,引入统计特性变换,导出了变换阵的闭式解。
The Statistical Characteristic Analysis of the Ocean Return Signal from the Spaceborne Ocean Altimeter;
星载海洋高度计海面回波信号的统计特性分析
The energy and statistical characteristic、space-time distribution and people subjective reaction for the traffic noise from Haikou roads are analyzed in this paper.
以海口市为例,剖析了典型南方城市交通噪声的能量特征、时空分布、统计特性和居民主观反应。
The flexural strength of an advanced ceramic tool material and its statistical characteristics have been studied experimentally in this paper, according to which hot pressing parameters are optimized and the fracture feature is also analysed.
研究了一种新型陶瓷刀具材料的抗弯强度及其统计特性，并据此优化了热压工艺参数，分析了其断裂特征。
Studies on the modeling and statistic characteristic of compound clutter under the coastal environment;
近海岸复合杂波建模及其统计特性研究
The pitching and heaving motions of a catamaran are calculated with the STF method, as well as the statistic characteristics of motion in the irregular waves.
采用STF方法计算船舶的纵摇和垂荡运动及船舶在不规则波中的统计特性 ,计算与试验相比较 ,结果令人满意。
So, in the paper, the statistic characteristics such as probability curve and gray mean variance ratio .
散斑噪声为一种乘性噪声 ,高斯噪声则为一种加性噪声 ,这两种噪声哪种占据主要地位对于图像噪声抑制噪声模型的建立具有重要的意义 ,分析了受到散斑噪声和高斯噪声污染图像的概率曲线及灰度均值方差比等统计特性 ,找出在两种噪声分别作用下的不同统计特性 ,以此为判别标准 ,对激光主动成像系统图像进行分析 ,得出了此图像所受噪声的主要成分为散斑噪声的结论。
Pseudo-random number generator based on TD-ERCS chaos and its statistic characteristics analysis;
基于TD-ERCS混沌系统的伪随机数发生器及其统计特性分析
The effects of manufacturing error onthe statistic characteristics of the target function are systematically studied in this paper,by theuse of the theory of random perturbation,and an example is given to reveal the application of thisprocess.
本文应用随机摄动理论系统地研究了设计变量的误差对目标函数统计特性的影响。
In this paper,a new robust digital audio watermark- ing algorithm against desynchronization attacks is proposed, in which the audio statistic characteristics and synchronization code are utilized.
结合数字音频时频域统计特性及同步码技术,提出了一种可有效抵抗去同步攻击的混合域数字音频水印嵌入算法。
Statistical Properties of PAPR for NC-OFDM Signals
NC-OFDM的PAPR统计特性分析
Blind Multi-input Multi-output System Identification Based on Second-order Statistics;
基于二阶统计特性的MIMO系统盲辨识
A Shadow Detection Algorithm Based on Statistical and Edge Properties
基于统计特性与边缘特性融合的阴影检测方法
INFLUENCE OF THE SAMPLE COMBINATIONS ON THE STATISTICAL PERFORMANCE FOR X CONTROL CHART
样本组合对X控制图统计特性的影响
Analysis of Statistical Characteristics for EM Scattering from Rough Surface and Target
粗糙面与目标电磁散射统计特性分析
Investigation on Breakdown Probability of Series-Connected Vacuum Gaps;
串联真空间隙冲击击穿统计特性研究
Statistical properties of the volatility of China stock index in Shanghai;
我国上证综指波动率的统计特性分析
Image Resampling Detection Based on Statistic Features in DCT Domain
DCT域统计特性的图像重采样检测
Statistical Characteristic Analysis on AC Flashover Voltage of Ice-Coated Insulator String
绝缘子交流冰闪电压的统计特性分析
Study on Statistical Characteristics of Stimulated Raman Scattering in DWDM Fiber Communication Systems
DWDM光纤通信系统中受激喇曼散射的统计特性
Test & Control System Design for the Cannon’s Recoil Characteristic and Slickness
火炮后坐特性及平滑性测控系统设计
The actual regulation can be calculated using the system and load characteristics.
实际调节量可利用系统特性和负荷特性来计算。
operating characteristic curve
(指统计质量控制) 经营特性曲线;经营特性曲线
The CAT System for the Feature of Elect-hydraulic Servo Valve
电液伺服阀特性计算机辅助测试系统
Dynamic Character FEM Calculation and Analysis for Servo System
随动系统动态特性有限元计算与分析
COMPUTER-AIDED ANALYSIS ON DYNAMIC CHARACTERISTICS OF HAGC SYSTEM;
液压AGC系统动特性的计算机辅助分析
Computational Study on Dynamic Performance of Gas-Steam Launching System;
燃气—蒸汽发射系统动力特性计算研究
The Study on Dynamic Character of a New Heating Measurement and Control System;
新型供热计量控制系统动态特性研究