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LFM信号的匹配滤波器,用于信号距离探测-LFM the matched filter for signal detection distance
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关于脉冲压缩的问题
。脉冲压缩的质量直接
影响雷达的探测性能。经典的脉冲压缩是通过匹
配滤波器来实现的[1 ]
。从本质上讲 ,脉冲压缩是对
发射信号的匹配滤波 ,但由于不同的目标回波信
号带有不同的多普勒信息 ,具有不确定性 ,所以它
只能是准匹配滤波-Pulse compression on the issue. Direct impact on the quality of pulse compression radar detection performanc
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介绍了一种基于神经网络白化匹配滤波器的QRS 波检测方法。我们用神经网络白化匹配滤波器来处
理ECG 信号的低频成分, 模拟其非线性及非稳态的特性。处理后的信号中含有ECG 中大部分高频成分, 让其通过
一线性匹配滤波器来检测QRS 波及其位置。对于大噪声的ECG 信号, 在匹配滤波器后加差分滤波, 取平方及滑动
平均等处理, 提高检测正确率。使用这种方法我们对M IT?B IH 心电信号数据库中噪声比较大的105号数据进行的
处理, 检测正确率为9912 。作为对比, 用数字
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In Analog systems, the chief objective is the fidelity of reproduction of waveforms, hence, the suitable performance criterion is the output signal to noise ratio. The choice of this criterion stems from the fact that the signal to noise is related
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对雷达多脉冲回波进行匹配滤波处理后，再进行相参积累，提高检测信噪比-Coherent matched filter radar multi-pulse echo, to improve the detection signal to noise ratio
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shows the performance of matched filter detection by various parameters for a given , SNR=-15dB, N=150, noise uncertainty and dynamic threshold factor .From figure it is observed that with noise uncertainty the detection
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SIGNAL DETECTION FOR SPECTRUM SENSING
Spectrum sensing is a critical functionality in cognitive radio communications as it must be performed before allowing unlicensed users to access a vacant licensed band. Energy detector is also known as radiome
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弱信号检测中，LFM信号经过匹配滤波器的应用-Weak signal detection of LFM signal in the application of matched filter
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LFM信号及回波的生成，时域及频谱分析，模糊度函数分析，时频分析，匹配滤波器能量检测、循环相关检测、及fmusic参数估计-LFM signal and the echo generation, time domain and spectral analysis, ambiguity function analysis, time-frequency analysis, the matched filter energy detection, loop correlation detection
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16QAM simulation. The entire process includes the generation of the 16QAM constellation and the waveform signal in complex base band, the upconverting to passband, pass through AWGN channel, demodulation with a Matched Filter, detection using the sof
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认知无线电中的匹配滤波器检测方法的matlab仿真程序-Cognitive radio matched filter detection method matlab simulation program
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LFM信号的匹配滤波器,用于信号距离探测-LFM the matched filter for signal detection distance-LFM the matched filter for signal detection distance
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图像增强算法麦科伊增强图像的对比度，上软件吗直接运行-Three different filters are applied to a different fundus image: (a)
the original image (b) edge detection by using Sobel operator (c) edge
detection by using morphological edge detector and (d) detection of
blood
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介绍了几个认知无线电的宽带频谱检测实现的MATLAB代码，包括能量检测算法、匹配滤波器方法等。-Introduces several MATLAB code based broadband spectrum of cognitive radio technology, including energy detection algorithm, matched filter method, etc.
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file is all about the matlab code for spectrum sensing in cognitive radio environment related to energy detection and matched filter spectrum sensing techniques-file is all about the matlab code for spectrum sensing in cognitive radio environment rel
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this file all is about spectrum sensing in cognitive radio environment basically have the codes for energy detection and matched filter spectrum sensing techniques-this file all is about spectrum sensing in cognitive radio environment basically have
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Co-operative spectrum sensing for matched filter detection
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认识无线电 频谱感知 匹配滤波器检测 不同SNR下的结果-matched filter detection
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基于m序列编码信号的水下微弱目标检测方法。研究水下微弱目标检测的匹配滤波器方法；m序列编码信号的微弱目标检测性能-Based on m sequence coding signal of underwater weak target detection method. Study of matched filter method of underwater weak target detection M sequence encoding signal of weak target detec
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前已提出的频谱感知方法主要包括匹配滤波器检测、 能量检测、 循环平稳特征检测以及多分辨率频谱感知. 这些方法均为单节点感知方法.然而，在阴影和深度衰落情况下， 单个节点的感知结果并不可靠， 因此， 需要对多个节点的感知结果进行融合，以提高检测可靠性， 即协作感知技术. 文献采用“或” 准则对各个 CR 感知结果进行融合. 文献则提出了基于 D-S 证据理论的协作频谱感知算法，虽然该算法的性能比“或” 准则或“与”准则要好， 但需要存储大量历史信息， 算法的计算复杂度也很高. 文献中分析了采用似然
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