This paper presents two reversible data hiding methods based on integer wavelet, namely spread-spectrum method and companding method.

1、

The LPC theory and practice in speech companding

语音信号压扩的LPC理论与实践

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2、

The latter deals with the signal by companding with fraction exponent.

分数指数压缩扩展算法采用了分数指数函数曲线进行压缩扩展。

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3、

Threshold-based Companding Scheme of OFDM Signals

一种基于门限的改进OFDM信号压扩方案

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4、

The Peak-Average Power Ratio Reduction Method Based on Statistic Companding for SC-FDMA Systems

SC-FDMA系统中基于统计压扩的峰均功率比减小方法

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5、

Quantitative Analysis of Companding Advantage in CSSB-AM Satellite Communication Link

CSSB-AM卫星信道压扩增益的定量分析

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6、

PAPR Reduction in OFDM Systems via Carrier Interferometry and Companding Transform

基于载波干涉和压扩技术的OFDM系统PAPR降低算法

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7、

The mutual transfer of a& law companding code and linear code for the voice signal

话音信号A律压扩码与线性码的实时相互转换

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8、

New and Low Complexity Companding Technique for Reducing Peak-to-Average Power Ratio of OFDM Signals

新的低复杂度降低OFDM信号峰均功率比的压缩扩张技术

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9、

Analog CMOS High-Frequency Continuous Wavelet Transform Implementation by Instantaneous Companding Circuit

瞬时缩展模拟CMOS高频连续小波变换电路

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10、

A Novel Scheme Based on Companding Transformation to Reduce PAPR in OFDM Systems

一种降低OFDM系统峰均功率比的压扩变换方法

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11、

Using μ-law Companding Algorithm to Reduce the PAPR of OFDM Systems

使用μ-law压扩算法降低OFDM系统PAPR的分析

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12、

A new method for reducing the PAPR of OFDM signal by using companding algorithm

一种采用压扩算法来降低OFDM信号PAPR的新方法

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13、

Reversible Data Hiding for Images Using Integer Wavelet Transformation and Companding Technique

基于小波压缩扩展技术的无损图象数据隐藏

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14、

Reduction of Peak-to-Average Power Ratio of OFDM System Using a Partial Companding Method

降低正交频分复用系统峰均功率比的部分压扩算法

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15、

Implementation of Wavelet Function Based on Instantaneous Companding Differential Circuits

瞬时缩展微分电路实现小波函数的方法

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16、

A Fast Wavelet Collocation Method with Nonlinear Companding in Time Domain

基于时域非线性压缩-扩张的快速小波配置法

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17、

When mounting a compressed drive, you need to assign a drive letter to the compressed volume file.

装配压缩的驱动器时，您必须为压缩卷文件分配驱动器盘符。

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18、

The compressed volume file for drive% 1 cannot be found. Check drive% 2 for errors using ScanDisk.

找不到驱动器%1的压缩卷文件，请用磁盘扫描程序扫描驱动器%2。

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19、

This paper will study the concept of food and food security and analyse the impact after entry into WTO, and set forth the relationship of food security and entry into WTO from the aspect of food import and domestic support policy.

本文从粮食与粮食安全的概念入手，分析入世对我国农业带来的冲击，并分别从粮食进口、国内支持政策两方面具体阐述入世与粮食安全的关系。

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20、

They suggest Iapetus was hit by a large object billions of years ago, and then the debris from the impact was thrown into space, where it formed a mini-moon.

这些数据表明在数十亿年前，土卫八曾受到大型物体的撞击，撞击产生的残骸反弹到太空中形成一个小卫星。

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