该文在消隐非线性输出snr分析的基础上,提出了OFDM系统脉冲噪声处理的阈值优化算法。
An optimization algorithm for impulsive noise mitigation in OFDM system is proposed based on the analysis of output SNR of blanking nonlinearity.
详细介绍了在脉冲功率放大链相位噪声检定系统中的信号处理系统的设计方案、工作原理及功能。
The paper presents design proposal. working principle and functions of the signal processing system in the phase noise calibrating system 'for the pulse power amplification chain.
系统包括CCD驱动脉冲产生电路、低噪声测量放大电路、自适应比较电路、单片机控制电路以及上位机处理程序。
The system consists of driving pulse generating circuit for CCD, instrumental amplifier with low noise, MCU controlling circuit and PC program for dealing with the data conveyed by MCU.
稳定分布作为非高斯脉冲噪声的数学模型,已经成为信号处理领域的热点研究课题。
As the ideal mathematical model for non-Gaussian impulsive noise, a -stable distribution has been the focus of intensive research in signal processing fields.
形态滤波是一种新型的非线性滤波技术,在灰度图像处理中,它对滤除脉冲噪声最为有效。
Morphological filtration is a new nonlinear filtration technology. It is most effective to (filter) pulse noise in the processing of gray images.
实验表明基于行列处理的非线性滤波器通过简单的行列处理,不但能有效消除正向脉冲噪声,而且对图像边缘和细节具有较强的保护能力。
It is shown that the filter presented in the paper has the ability of effective removing the positive impulse noise and better protection for edges and details with simple row and column processing.
该算法对红外图像处理过程中不同类型的噪声采用不同的方法滤波,有效地滤除了高斯噪声和脉冲噪声,同时增强了目标和背景中的边缘成分。
Different means are used for different kinds of noise respectively. The edges of target and background are enhanced and the elimination of Gauss noise and pulse noise are reduced.
针对运动目标,在考虑激光雷达方程、信噪比和自动增益、成像指标、噪声、图像处理等模块的基础上,对脉冲相干成像激光雷达进行了运动目标的成像模拟。
On the basis of considering the modules of laser radar equation, SNR and AGC, imaging demand, noise and imaging proces, we make a simulation of pulsed coherent imaging laser radar for moving target.
采用自适应广义形态滤波方法处理在线监测数据,能够对数据中存在的各种加性白噪声和正负脉冲噪声有较好的抑制作用。
The results of the simulation study and field data processing show that the generalized morphological filter can suppress different kinds of the white noise and pulse noise among the data.
本文针对数字图像中出现的正向脉冲噪声,提出了基于行列处理消除正向脉冲噪声的非线性滤波器(RCF),并分析了它的滤波和细节保护特性。
In order to remove the positive impulse noise, a nonlinear filter (RCF) based on row and column filtering is presented and its filtering and detail protection properties are analyzed in the paper.
考虑到雷达侦察信号环境的复杂性,引入了噪声干扰脉冲和脉冲丢失处理。
As radar reconnaissance environment is very complex, noise interfering pulse and pulse missing process are introduced.
实验结果表明,该方法消除图像脉冲噪声十分有效,对闪光照相CCD图像的处理结果也较好。
The experimental results show that the new method is very efficient to remove the impulse noise. It also can get better result for flash X-ray radiographic CCD image.
利用中值滤波和基于小波变换的去噪声处理对同时含有高斯噪声和脉冲噪声的X线图像降噪方法进行探讨。
This paper evaluated median filter in company with wavelet transformation to process X-ray image that contained Gauss noise and impulse noise at the same time.
柱面散光轴位角进行手动测量,数码显示的数字化屈光度测量仪。本仪器采用特殊的处理电路,消除了外来噪声产生的误触发脉冲及输出错误积累而引起的位置偏移。
This instrument has a rotary encoding and raster and it has a special processing circuit not only eliminating trigger pulse case by noise but also clearing up position accumulates error.
柱面散光轴位角进行手动测量,数码显示的数字化屈光度测量仪。本仪器采用特殊的处理电路,消除了外来噪声产生的误触发脉冲及输出错误积累而引起的位置偏移。
This instrument has a rotary encoding and raster and it has a special processing circuit not only eliminating trigger pulse case by noise but also clearing up position accumulates error.
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