采用谱白化、反Q滤波等手段进行资料处理,获得了分辨率和信噪比均较高的时间剖面。
By making data acquisition with high resolution seismic survey, the raw data with high frequency and broadband were thus obtained.
小波变换具有分析性质好和时—频局域化好的特性,而谱白化方法是高分辨处理中一种有效的频率补偿手段。
Wavelet transform has a good analyzing feature and a good time frequency localization. Spectrum whitening is a effective tool of frequency compensation in high resolution processing.
本文在对以往的方法进行分析的基础上,借助于时变谱白化的思想,提出了一种简单、稳定且十分有效的频谱调制方法。
On the basis of analyzing of idea of time varying spectral whitening, the paper presented a simple, stable and very efficient spectrum modulated method.
在雷达动目标检测等处理中,为了有效抑制杂波,并防止目标白化,首先需要对杂波谱中心和谱宽进行有效的估计。
In radar signal processing systems, the central frequency and bandwidth of clutter must be accurately estimated to suppress clutter and prevent target whitening.
在雷达动目标检测等处理中,为了有效抑制杂波,并防止目标白化,首先需要对杂波谱中心和谱宽进行有效的估计。
In radar signal processing systems, the central frequency and bandwidth of clutter must be accurately estimated to suppress clutter and prevent target whitening.
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