噪声干扰

噪声干扰环境下SAR的目标检测能力分析

Analysis of the target detection capability of SARs in noise jamming environment

噪声干扰的SAR图像特征研究

Research on Characteristics of Noise Interference in SAR Image

该噪声干扰会沿换流站直流出线和交流出线方向传导，造成对PLC通信系统的干扰。

The noise propagates along the DC and AC lines , interfering with PLC communication system .

一种考虑噪声干扰的地表风化层Q值反演方法

Weathered-layer Q-value inversion method with consideration of noise

由于GIS局部放电超高频检测中不可避免的会遇到白噪声干扰，且现有抑制白噪声的方法有许多不足之处。

As white-noise interference exists in GIS partial discharge ( PD ) UHF detection inevitably , the available suppression methods are unsatisfactory .

HFC网上行信道噪声干扰与通道拥塞的解决方案

The Resolution Scheme for the Noise Interference and the Congestion of HFC Upstream Channel

Matlab仿真及动模实验校验表明，该方法简单有效，不受噪声干扰，易于在工程上实现。

Simulations with Matlab and experiments prove that the method is simple , effective , free from noise and easy to be implemented . Laboratory ;

首先，在抑制噪声干扰方面，本文设计了一种最小均方（LMS）算法的自适应滤波器，来消除局部放电检测中广泛存在的周期性干扰信号。

Firstly , this paper designs a LMS algorithm adaptive filter to solve period noise disturbing .

对于白噪声干扰情况，利用线性Kalman滤波器估计系统状态，以水翼艇为研究对象进行了仿真。

Using linear Kalman filter to estimate system states with white-noise interference , for submerged Hydrofoil Craft , a mathematical simulation was conducted .

由于SAR图像本身容易受到斑点噪声干扰，为提高聚类效果，提出了一种结合邻域信息的自适应粒子群聚类算法。

Since SAR images have speckle noise , a new adaptive particle swarm clustering algorithm using neighborhood information is proposed for improving the clustering results .

通过数值方法模拟结构中一种特定的AE源评价传感元件的特性，该方法具有简单，无噪声干扰的特点；

Simulation of AE sources in the structure with a certain method to evaluate the sensor 's characteristics .

实验表明，这种方法能够抵御噪声干扰、线性滤波和JPEG压缩编码，具有良好的应用价值。

Experimental results show that the proposed technique can resist noise interference , linear filtering , and JPEG compression .

相对于传统方法，时间尺度谱能更客观灵敏地反映物理实质，有效地抑制噪声干扰，在高背景低统计性的X射线天文观测中得到了很好的应用。

Compared to traditional means , the technique is highly sensitive in reflecting the nature of physical processes , especially in X-ray astronomy where observations have poor statistics and a high background .

建立了有测量噪声干扰情况的连续Hammerstein模型的调制最小二乘直接辨识算法。

Direct identification algorithm of modulation least square of continuous Hammerstein with measurement noise was introduced .

相比于原DCT估计算法，改进后的估计算法最大限度的去除了噪声干扰，提高了估计的准确度。

Compared with the original DCT estimation algorithm , the improved estimation algorithm maximumly eliminates noise interference , and the channel estimation performance is improved .

半升正弦函数（HalfRaised-SineFunction，HRSF）倒谱提升技术可以降低易受噪声干扰的低阶分量值，同时提高数值相对小的中高阶分量值。

Half raised-sine function cepstral lifting technique can reduce the low-order component which is vulnerable to noise interference and increase the middle and high order component .

为了抑制白噪声干扰对分离效果的影响，对传感器检测到的混合信号进行了白化预处理，使得SONS分离算法更加稳健。

To restrain the interferes of white noise , pre whitened the mixing signals gained from the sensors . This procedure makes the algorithm of SONS more robust .

二是ECG信号中可能出现各种类型的噪声干扰QRS波的检测。

Secondly , the various types of noises that can present in the ECG , for instance , the power line noise , muscle noise , baseline drift .

系统地介绍了Cantor集对于数字通信中间断性噪声干扰的模拟，并对误码率问题进行了探讨。

The modulation of discontinuous noise in digital communication by Cantor Muster is summarized and the error code rate is primary discussed .

为了能够从背景复杂，受斑点噪声干扰的高分辨率SAR图像中准确提取道路，提出了一种利用遗传算法提取主干道路的方法。

In order to extract roads precisely from high-resolution SAR images with complicated background and speckle noise , a method of using genetic algorithm ( GA ) is developed to extract main roads in the paper .

I-Q矢量调制器在噪声干扰模拟器中的应用分析

Applied Analysis of I-Q Vector Modulator in Noise Jamming Simulator

算法是有效的，对几何同步攻击旋转、缩放具有较好的鲁棒性，而且对噪声干扰、JPEG压缩、剪贴攻击也具有一定的鲁棒性。

This algorithm is effective . It has a great robustness to geometry synchronization attacks ( rotation , scaling ) and has robustness to noise , JPEG scaling , crop .

研究了状态和测量同时受白噪声干扰时广义随机2-DRoesser模型的状态滤波器设计问题。

The problem of state estimator design for stochastic singular 2-D Roesser models subjected to white noises in both the state and measurement equations was studied .

试验结果表明使用该算法嵌入水印的图像具有很好的图像质量，对各种程度的JPEG压缩，低通滤波，噪声干扰有很好的抵抗性。

Experimental results also demonstrate that this scheme can make the quality of embeded watermarking images very well and strengthen the watermarking resistance to JPEG compression , low-through filter and noise .

该文从多层前向神经元网络的BP算法出发，通过计算机仿真发现含有噪声干扰的样本对BP网络的训练会产生不良的影响：①神经元网络的学习速度不易把握；

Based on BP algorithm of multilayer forward neural networks , some worse influences on BP network 's training are found by simulating the neural network when the training data with noise disturbance are employed in the course of network training .

在深入分析了PWM放大器对超声波无损检测系统的噪声干扰后，通过理论研究和仿真实验得出了抑制干扰的实际方法，并在应用中取得良好效果。

The problem of noise disturbing produced by PWM amplifier in ultrasonic non destructive detecting system is thoroughly analyzed . Then a practical method is obtained through the theory research and simulating experiment , and it has good effects in use .

高信赖性：NSD编码器为绝对值传感检出，可以保证即使在断电或偶发性的噪声干扰，也能精确检测出正确的位置。

High Reliability : The absolute sensing guarantees accurate position detection even when the power is shut off , or when accidental noise occurs .

在第一部分计算机仿真分析的基础上，利用高速信号处理芯片DSP（TMS320LF2407）设计了一个噪声干扰抵消系统，在高速信号处理芯片（TMS320LF2407）上开发实现了自适应LMS算法。

On the foundation of the first part , puting up a design of canceling noise by taking advantage of DSP chip ( TMS320LF2407 ), on which it realized the LMS algorithm .

针对不同噪声干扰的特点，介绍了抑制干扰的方法。2、针对ECG噪声干扰的特点，分析了心电信号的检测要求。

According to the characteristics of the different noise , this paper introduced the different methods to suppress the interference . 2 、 In connection with characteristics of the ECG noise , this paper analyzed the detection requirements of the ECG signal .

HFC-SCDMA抗汇聚噪声干扰能力的重点抽样仿真

Importance Sampling Simulation of the Noise Resisting Ability of HFC-SCDMA