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The principle of MUSIC algorithm and theoretical analysis of the spectral separate frequency and frequency detection threshold are included. MUSIC algorithm compared with FFT based algorithm for harmonic frequency estimation using matlab simulation platform .

给出了MUSIC算法的基本原理，对MUSIC算法的频谱分辨能力和频率检测门限进行了理论分析，在Matlab仿真平台下对MUSIC算法和FFT算法的频率估计性能进行了比较。

Toccata fascinated with its dynamic story, sound richness and harmonic and rithmical ingenuity - witticism, close shape, flowing passages from one kind of technique to another, with the texture coverage over a numbers of layers, with the syncope rhythms.

托卡塔与充满活力的故事着迷，声音丰富性和独创性谐波和rithmical -俏皮话，关闭形状，流动的技术从一类到另一个通道，与超过一个数字纹理覆盖与晕厥节奏层。

Objective To investigate the feasibility of applying ultracision-harmonic scalpel in tonsillectomy.

目的 探讨超声刀实施扁桃体切除术的可行性。

In this thesis, we mainly study problems on global geometry and geometricanalysis of Riemannian submanifolds, including vanishing theorem for homologygroups, topological sphere theorem, L~2 harmonic 1-forms, finiteness of end andthe spectrum of the Laplacian. In 1973, by using the Federer-Fleming existence theorem and the techniquesfrom the calculus of variations in the geometric measure theory, H.

本文着重研究黎曼子流形上整体几何与几何分析的若干问题，主要内容包括子流形的同调群消没定理、拓扑球面定理、L~2调和1-形式、端的有限性和Laplace算子谱等问题。

The topological structure of a new type of static synchronous compensator, which consists of traditional 12-pulse converter and a cascaded H-bridge, is presented. The purpose of designing such a topological structure, which integrates the concepts of multi-level, soft-switching and re-injection, is to reduce the voltage harmonic content at AC side and to solve dynamic voltage balance among the switches connected in series.

介绍一种新型H桥级联静止同步补偿器(static synchronous compensator，STATCOM)的拓扑结构，它由传统的12脉冲变换器和一个H桥链构成，结合了多电平、软开关和注入技术，降低了交流侧电压谐波含量，解决了串联开关动态电压平衡的问题。

This paper studies and establishes torus harmonic analysis method of recovering the Earth's gravity field with all kinds of gravity observation data.

详细研究并建立了基于球面边值问题的轮胎调和分析方法。

In order to solve the current differential protection's maloperation, the combined harmonic blocking criteria and the criteria based on the trace of action point are proposed.

电流互感器发生暂态饱和时，二次电流中的谐波主要是2次谐波，3次谐波含量很少。

The ratio of the transmission signal and second - harmonic signal can be used for eliminating optical interference.

利用二次谐波与光纤光栅透射光强的比值来消除光路干扰。

The relation of trapezoidal wave slope angle to amplitude of output fundamental component and harmonic content is deduced.

推导了梯形波边坡角与输出基波幅值和谐波含量的关系。

I don't really mess with it because it sits on top of my amp, and I just plug in the adapter and play, but when I did I found that the octo setting is very, very cool you can use it for some wierd trippy color to add to your solo or anything, it gives it this harmonic meets an organ with sustain effect, but like I said this is basically my reverb tank, so I don't really use it for the other effects.

我真的不一塌糊涂，与它，因为它坐在再加上我的安培，而我只需将其插入，在适配器和发挥，但是当我，我发现该octo设置是非常，非常冷静，你可以用它来一些奇怪的trippy颜色添加到您的独奏或什么，它赋予它这种谐波会见器官与维持效果，但就像我说，这基本上是我的混响坦克，所以我真的不使用它为其他的效果。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失