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提出一种小尺度麦克风阵列语音增强系统和方法。本系统包括信号采集和信号处理的DSP实现。-A small-scale microphone array speech enhancement systems and methods. The system includes the signal acquisition and signal processing of the DSP to achieve.
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The demand in communication capacity is achieved by the employment of the space division multiple access technique. The signal transmitted on the same frequencies can be separated by the smart antenna array and they are separated in spatial domain. W
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处理信号的时频分析,解耦,恢复原信号,相控阵天线的方向图(切比雪夫加权)。- When processing a signal frequency analysis, Decoupling, restore the original signal, Phased array antenna pattern (Chebyshev weights).
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已调制信号计算其普相关密度,多抽样率信号处理,通过虚拟阵元进行DOA估计。- Modulated signals to calculate its density Pu-related, Multirate signal processing, Conducted through virtual array DOA estimation.
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相控阵天线的方向图(切比雪夫加权),matlab编写的元胞自动机,一些自适应信号处理的算法。- Phased array antenna pattern (Chebyshev weights), matlab prepared cellular automata, Some adaptive signal processing algorithms.
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信号处理中的旋转不变子空间法,有较好的参考价值,通过虚拟阵元进行DOA估计。- Signal Processing ESPRIT method, There are good reference value, Conducted through virtual array DOA estimation.
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基于混沌的模拟退火算法,计算时间和二维直方图,LCMV优化设计阵列处理信号。( Chaos-based simulated annealing algorithm, Computing time and two-dimensional histogram, LCMV optimization design array signal processing.)
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LCMV优化设计阵列处理信号,多抽样率信号处理,滤波求和方式实现宽带波束形成。( LCMV optimization design array signal processing, Multirate signal processing, Filtering summation way broadband beamforming.)
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