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变粒子数的盲检测器在平坦衰落信道下的应用

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摘要 粒子滤波器能够处理非线性和非高斯的问题,引起人们的关注。对于信道模型系数未知的平坦瑞利衰落信道下的盲信号检测,提出了一种新的粒子滤波算法,在接收导频序列阶段,利用较多的粒子数估计信道的模型系数,在信号检测阶段,利用较少的粒子数进行检测,从而构成一种新的变粒子数滤波器。这种新算法的复杂度较低,性能较好。仿真试验结果证明,无论是在高斯噪声还是非高斯噪声环境中,这种新的粒子滤波器能够达到已知信道模型系数情况下的混合卡尔曼滤波器的可比性能。
出处 《广东通信技术》 2009年第5期63-67,共5页 Guangdong Communication Technology
基金 广西新世纪教改工程"十一五"第四批立项项目:电类基础课程群多维交互教学的研究与实践(2008C050)
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参考文献11

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二级参考文献4

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