sub band

Base Band Signal Processing for Sub Station of Satellite Data Collecting System

卫星数据采集系统远端站基带信号处理

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The sub modules include: band-pass filter, adding window and frame partition, endpoint detection, time delay estimation, location estimation etc.

主中实现模块主要有：带通滤波、加窗分帧、端点检测、时延估计、位置估计等。

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based on local signal to noise ratio, the method estimates characteristic component of speech sound sub band covered by noise.

一种根据局部信噪比，估计受噪声掩蔽的语音子带特征分量的方法。

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then the different quantization step and fixed length coding for each sub band are carried out in accordance with its energy statistical property of the coefficients. the proposed robust image coding, which bit rate is 0.8 bits/ pixel, is suitable to the underwater acoustic channel.

依据小波系数的能量分布特性，对不同的子带采用不同的量化和定长编码，编码率为0.8比特/像素。

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In the new method, sub band features and full band features are extracted in different timescales, then combined at probabilistic layer.

新方法在不同的时间尺度下分别进行子带特征提取和全带特征提取，并分别进行识别，然后在识别概率层相结合得到最终识别结果。

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Firstly, the low frequency sub-band of the original image is extracted through wavelet transform, and then the feature is extracted with independent component analysis, finally, face is recognized by Maximum Entropy Modeling.

首先利用小波变换，提原始图像的低频子图，然后利用独立分量分析（ICA）进行特征提取，最后采用最大熵模型进行分类识别。

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This paper develops a voice compress algorithm-SB-ADPCM ( Sub Band-adaptive Differential Pulse Code Modulation ).

论述了计算机数字录音技术中的语音压缩算法 — SB-ADPCM ( Sub Band -AdaptiveDifferentialPulseCodeModulation ) 方法.

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Study of X-Band High-Power Sub-nanosecond Pulse Generation Based on Superradiance Mechanism

基于超辐射机理产生X波段高功率亚纳秒脉冲研究

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In this paper , we present a multi-stream sub-band method for noisy speech recognition.

提出了一种基于 多通道 均匀滤波器组子带变换的水印嵌入方法.

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