Companding single sideband amplitude modulation cssb am 压扩单边带调幅
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Threshold - based companding scheme of ofdm signals 信号压扩方案
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Companding and expanding advantage 压缩扩展利益
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Instantaneous companding circuit , namely , log - domain circuit , is the key technique used by international academia to develop the low - voltage and low - power analog vlsi in recent years 瞬时缩展电路又称对数域电路,是近些年来国际学术界用来发展低电压低功率模拟vlsi的一个重要关键技术。
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Then we propose a kind of differential circuit implemented by the instantaneous companding technique and we analyze its principle and execute circuit ’ s simulation . and we realize a kind of wavelet function with the differential circuit 在此基础上我们提出了一种对数域微分电路,对其工作原理进行了详细的分析和电路仿真,并利用该电路实现了一种小波函数。
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First the companding function that can realize optimum table spacing is derived , and a new nonlinear indexing method based on lut technique is putting forward . the advantage of this new indexing method is studied and the practical implementation is present . at last an improved adaptive scheme of the new method is considered 首先理论推导了实现表项最优分布的压缩函数，然后提出了一种非线性表项索引技术?查找表索引技术，分析了该技术的特点并给出了具体实现方式，最后还提出了自适应改进方案。
