提出了实用的超宽带sar射频干扰(RFI)和相干斑噪声抑制技术。
The practical RFI and speckle noise suppression techniques for ultra-wideband SAR are proposed.
前置放大器与均衡器或滤波器跟在雪崩二极管检测器的后面以获得增益，线性信号处理及噪声宽带的抑制。
The avalanche photodiode detector is followed by a front-end amplifier and equalizer or filter to provide gain as well as linear signal processing and noise bandwidth redution.
对于宽带噪声干扰，本文研究了小波包阈值方法，并将之应用到信号域和图像域来抑制宽带噪声干扰。
For wideband noise interferences, this dissertation studies wavelet packet threshold method and USES it to suppress wideband noise interferences in signal domain and image domain.
此外本文还设计一种语音信号自适应噪声消除算法，利用LMS自适应算法的特点抑制语音信号中的宽带噪声信号，提高信噪比。
A noise reduction algorithm used in speech signal processes which is referred to as LMS adaptive noise reduction, is also designed to reduce wide-band noise but improve signal to noise Ratio.
由于拖船噪声是一种具有多途角扩展的宽带相干强干扰，拖船噪声抑制是拖线阵声呐系统中的关键技术之一。
Towing ship noise is a kind of wideband interference with strong multi-path and Angle dispersion for a towed line array sonar system.
由于拖船噪声是一种具有多途角扩展的宽带相干强干扰，拖船噪声抑制是拖线阵声呐系统中的关键技术之一。
Towing ship noise is a kind of wideband interference with strong multi-path and Angle dispersion for a towed line array sonar system.
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