本文最后讨论了自适应编码中的关键技术——信噪比估计算法。
At the end of this paper SNR estimation algorithm is discussed which plays an important role in adaptive coding technology.
主要介绍了一种典型的信噪比估计算法，并对信噪比的自相关矩阵奇异值分解估计法进行了研究。
This paper introduces a typical SNR estimation algorithm by the use of autocorrelation matrix singular value decomposition method.
本文研究的是OFDM系统中的信噪比估计算法．并利用DSP芯片．通过AD6640和AD6620组成中频接收平台，将其应用到实际的OFDM传输系统中。
This paper is the study of OFDM SNR estimation algorithm system, using DSP chips and IF receiver platform composed by AD6640 and AD6620 to apply it in actual OFDM transmission system.
提出了一种在多径瑞利衰落信道中的信噪比盲估计算法。
This paper presents a blind algorithm to estimate the signal-to-noise ratio(SNR) of a communication signal in multipath Rayleigh fading channel .
最后作者提出一种改进型LS信道估计算法，该算法考虑了LS算法中噪声的影响，从而提高了低信噪比下信道估计的精度。
Finally, an improved channel estimation algorithm based on LS algorithm is presented. Considering the infection of the noise, the new algorithm has better performance under low SNR.
理论分析及计算机仿真结果表明，该算法在低信噪比条件下可实现DS/SS信号的盲同步及PN码序列的精确估计。
The problem above can be resolved by the blind synchronization algorithm. The theoretic analysis and experimental results show that the approach can work well on the lower S/N ratio input signals.
理论分析及计算机仿真结果表明，该算法在低信噪比条件下可实现DS/SS信号的盲同步及PN码序列的精确估计。
The problem above can be resolved by the blind synchronization algorithm. The theoretic analysis and experimental results show that the approach can work well on the lower S…
理论分析及计算机仿真结果表明，该算法在低信噪比条件下可实现DS/SS信号的盲同步及PN码序列的精确估计。
The problem above can be resolved by the blind synchronization algorithm. The theoretic analysis and experimental results show that the approach can work well on the lower S…
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