• In this paper, the existed pilot-assisted channel estimation algorithms in OFDM systems are investigated in detail.

    本文将详细研究OFDM系统基于导频的信道估计方法。

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  • According to the characteristics of various algorithms, we can classify them into three types: pilot-assisted channel estimation, blind and semi-blind estimation.

    根据算法的特点,信道估计可大致分为三类:基于导频辅助的估计、盲估计、半盲估计。

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  • The LMMSE channel estimation algorithms based on Pilot-Assisted is investigated for MIMO-OFDM systems, and the Low-Bound of MSE for LMMSE channel estimation is derived.

    该文对MIMO - OFDM系统中基于导频辅助的LMMSE信道估计算法进行了研究,导出了其估计均方差的下界。

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  • Normally Open pilot assisted valves operate on a similar principle but with opposite effects from the pressure variations.

    常开阀运行试验的协助一项类似的原则,但与来自压力变化相反的效果。

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  • But the optimizing design about basic parameters still has not been seen as yet, the disquisition pilot study on the computer assisted optimization design of Oscillatory Roller Transmission.

    但对于基本参数的优化设计至今尚未见报导,本文对全滚动活齿传动的计算机辅助优化设计作了初步探讨。

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  • The disquisition pilot study about the computer assisted optimization design of a screw spring of many radices using math layout theory conjoint to computer programmer method with a exemplity.

    笔者将数学规划理论与计算机程序设计方法相结合,通过实例对多股螺旋弹簧的计算机辅助优化设计进行了初步探讨。

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  • This thesis mainly focuses on the algorithms for channel estimation in the wireless OFDM systems including pilot assisted channel estimation and channel blind estimation.

    本文主要研究无线OFDM系统中的信道估计算法,包括基于导频辅助信道估计算法和信道盲估计算法。

    youdao

  • A method based on assisted pilot and polynomial model is proposed for high speed mobile environment.

    本文提出一种基于导频辅助、多项式近似和信号重建的信道估计通用方法,适用于高速移动环境。

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  • In this paper, we analyze the BER performance of pilot symbol assisted two-dimensional spread spectrum systems with coherent demodulation in multi-path fading channels.

    在多径衰落信道中,本文分析了导引辅助的二维扩频相干解调的误码率性能。

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  • Discrete Wavelet Packet Modulation (DWPM) System based on ML (Maximum Likelihood) algorithm and Optimum Pilot Symbol Assisted Modulation (OPSAM) is studied for Rayleigh Fading Channels.

    提出了一种基于导频信号和最大似然信道估计算法的离散小波包调制(DWPM)系统。

    youdao

  • Discrete Wavelet Packet Modulation (DWPM) System based on ML (Maximum Likelihood) algorithm and Optimum Pilot Symbol Assisted Modulation (OPSAM) is studied for Rayleigh Fading Channels.

    提出了一种基于导频信号和最大似然信道估计算法的离散小波包调制(DWPM)系统。

    youdao

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