首先，由于空时编码是利用时间和空间的结合，属于空时处理技术，本文对空时信道模型和空时信号处理作了系统的分析。
Firstly, the paper analyses the space-time channel model and space-time signal systematically, as space-time codes belong to the technology dealing with space and time.
在多径多址干扰DS CD MA环境中，本文根据空时信号模型，用扩展的盲方法估计用户信道，从而进行盲mmse检测。
In DS CDMA channels with multipath and multiple access interference, this paper estimates blindly the user channel with extended space time channel model to process the blind MMSE detection.
基于包含信号到达方向(doa)的信道模型，推导出了CMA空时联合恒模算法，并分析了其收敛特性。
Based on a channel model containing the information of the direction of arrivals (DOA), the spatial-temporal combined CMA was derived and it's convergence properties were analyzed.
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