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Shifting the pitch of digitally sampled sounds is an operation performed by a number of commercially available devices (sampling synthesizers, harmonizers and vocoders) as well as by the software of many computer speech languages.

改变语音信号的音调是许多商用设备的一种功能，如采样合成器、调和器、声码器，也能被许多计算机音乐语言软件实现，然而，许多成熟的算法由于技术的保密性，不公开；一些公开的算法均有各种各样的问题。

In this dissertation, the nonlinearity of the MOS varactors caused by the large output signal of the DCO, as well as its influence on the performance of the DCO, is analyzed. A back-to-back in series digitally controlled MOS varactor is presented to avoid the nonlinearity of the varactors of the DCO.

对DCO大信号工作时所引起的数控MOS变容管的非线性以及这种非线性对DCO性能的影响进行了分析，提出了改善这种非线性的背靠背串联数控MOS变容管的新结构，可以使DCO的相位噪声最多降低8.1dB。

In this dissertation, the research and design of DCO is conducted and the principal contributions are as follows.In this dissertation, the non-ideal characteristics of traditional MOS varactors used in the DCO are analyzed, and an inversion-mode digitally controlled MOS varactor is proposed to alleviate the non-ideal characteristics. The phase noise of the DCO using inversion-mode varactors can be up to 9.5 dB lower than that of the DCO using traditional MOS varactors.

本论文针对应用于CMOS无线通信收发机的新型全数控LC振荡器，完成了以下工作：分析了DCO所使用的普通数控MOS变容管中所存在的非理想特性，提出了使用反型数控MOS变容管改善这一非理想特性的方法，该方法可以将DCO中的相位噪声最多降低9.5dB。

A telecine machine copies the film digitally from the reels. Sound and picture should be very good, but due to the equipment involved and cost telecines are fairly uncommon.

TELECINE 使用电视电影机从胶片直接数字拷贝，其图象和声音质量应该很好。

A telecine machellone copies the film digitally from the reels. Sound and picture should be very good, but due to the equipment involved and cost telecines are fairly uncommon. Generally the film will be incorrect aspect ratio, although 4:3 telecines have existed. A great example is the JURASSIC PARK 3 TC done last year. TC should not be confused with TimeCode , whelloch is a visible counter on screen throughout the film.

TELECINE 使用电视机影戏机从胶片直接数字拷贝，其图像伴唱音质量应该很好但由于使用的设备和费用很高，TC很少见通例会使用不错的高宽比，但有时也有4：3的 TC上年的侏罗系公园III是一个很好的例子不应将TC和TimeCode混合，时间码是一个在屏幕上可见的计数器

A telecine machine copies the film digitally from the reels. Sound and picture should be

TELECINE 使用电视电影机从胶片直接数字拷贝，其图象和声音质量应该很好。

A telecine machine copies the film digitally from the reels.

TELECINE是使用电视电影机从胶片直接数字拷贝，其图象和声音质量应该很好。

A telecine machine copies the film digitally from the reels. Sound andpicture should be very good, but due to the equipment involved and costtelecines are fairly uncommon.

TELECINE 使用电视电影机从胶片直接数字拷贝，其图象和声音质量应该很好。

QUOTE: A telecine machine copies the film digitally from the reels.

TELECINE 使用电视电影机从胶片直接数字拷贝，其图象和声音质量应该很好。

A telecine ma chi ne copies the film digitally from the reels. Sound and picture should be very good, but due to the equipment involved and cost telecines are fairly uncommon.

TELECINE 使用电视电影机从胶片直接数字拷贝，其图象和声音质量应该很好。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。