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Recovery synchronization in ANS-DM demodulator

机译:ANS-DM解调器中的恢复同步

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Adaptive Non-uniform Sampling Delta Modulation (ANS-DM) is one of the waveform coding techniques, where a sampling instant and a quantization step size are adopted. The ANS-DM modulator produces an output binary stream, that caries information about signal and includes necessary information of coder parameters (sampling instant and quantization step). In demodulator this values have to be recovered for proper signal reconstruction. To date, no systematic investigation that considered signal decoding of the delta systems with sampling instant and step size adaptation were extensively analyzed. In the paper the analytical analysis of a parasitic signal oscillations in the reconstructed signal, as a consequence of the recovery synchronization process in ANS-DM demodulator, have been discussed. Drowned conclusions allow improving the quality of received signal transmitted over ANS-DM system in presence of noises in transmission channels.
机译:自适应非均匀采样增量调制(ANS-DM)是一种波形编码技术,其中采用了采样时刻和量化步长。 ANS-DM调制器产生输出二进制流,该输出二进制流承载有关信号的信息,并包括编码器参数的必要信息(采样即时和量化步骤)。在解调器中,必须恢复该值以进行正确的信号重建。迄今为止,还没有系统地分析过考虑采样时间和步长自适应的增量系统的信号解码的系统研究。在本文中,讨论了由于ANS-DM解调器中的恢复同步过程而导致的重构信号中寄生信号振荡的分析分析。淹没的结论允许在传输信道中存在噪声的情况下提高通过ANS-DM系统传输的接收信号的质量。

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