The time domain WCBB design method based on sub-band decomposition is studied.
2．研究了基于子带划分的时域恒定束宽波束形成器的设计方法。
参考来源 - 时域宽带波束形成方法及实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The desired frequency is tuning is accomplished by discrete tuning curve among a group of frequency sub-bands through capacitor array.
目标频率由一组分立的亚波段组成，通过电容阵列来控制。
It provides optimal dynamic bit allocation for sub-bands of DWT and realizes adaptive quantization for wavelet coefficients. At last, it provides exact rate control for the coder.
该方法基于率失真曲线的精确理论模型，对小波分解后的不同子带提供最优的动态比特分配从而实现了小波系数的自适应量化编码，最后还实现了码率控制。
We do orthogonal wavelet transform of a face image, get its four sub images of different frequency bands, then respectively extract their singular value features.
对人脸图象作正交小波变换，得到它在不同频带上的四个子图象，然后分别提取奇异值特征。
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