24. This paper analyzes the digital down conversion (DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering.
分析了基于多相滤波结构的宽带侦察接收机中频数字信号下变频处理方法。
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25. Simulation results verified the performance of the proposed algorithm better than that of the polyphase transform and selective quantization.
实验结果表明,该算法的性能优于多相变换与选择量化算法。
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26. In this paper quadrature processor based on the polyphase filters and channelized receiver with polyphase filter-banks are studied in detail.
对基于多相滤波的正交处理器和多相滤波器组信道化接收机进行了详细的研究。
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27. Compared with traditional direct implementation and folded filter, polyphase implementation has the advantage of requiring fewer chip resources.
与传统的直接实现形式和折叠滤波器等改进形式相比,多相形式具有占用资源少的优点。
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28. In this paper, quadrature processor based on the polyphase filters and channelized receiver with polyphase filter - Banks are studied in detail.
对基于多相滤波的正交处理器和多相滤波器组信道化接收机进行了详细的研究。
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29. It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
接下来它还要经过一些数学处理程序,比如小波分解,多重分辨率傅立叶分析,多相过滤,离散余弦变换等。
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30. The properties of auto-correlation for polyphase orthogonal sequences are very ideal, but its cross-correlation properties are not good when the phase number is low.