This problem can be solved easily by optimizing each parameter independently—set the elevation to an arbitrary value and rotate the dish to its optimal azimuth, then rotate the dish to its optimal elevation without changing the azimuth.

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Based on the small steepness parameter, three-layer incompressible, inviscid and irrotational fluid system of arbitrary depth is discussed by using the perturbation method, and a unified theory of nonlinear interfacial-internal wave propagation and the approximate nonlinear evolution equations for interfacial-internal elevations are given on the basis of the rigid upper boundary and the flat impermeable bottom.

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In chapter 4, the Newlands harmonic wavelet is improved and a new type of wavelet with better time-frequency characteristic is constructed. Frequency band of signal can be divided arbitrary with the improved harmonic wavelet so that the phenomena of aliasing are reduced. Several typical fault signals in Electromechanical System are analyzed with it. In addition to the improved harmonic wavelet in chapter 4, a new half-complex wavelet is presented to improve the complex wavelet, which is given by Chaari.O. A unilateral recursive algorithm is derived to improve the real-time characteristic. A parameter n is imported to make the time-frequency and filtering characteristics of it better and its ability of extracting fault feature is enhanced.

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The asymptotic solutions of non-uniform conical shells under arbitrary boundary conditions are determined by double-parameter perturbation technique and transfer function method.

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ABSTRACT :The transposition schemes of arbitrary arrangement four-phase overhead lines are discussed in detail, and the each sequence parameter calculation of the lines are also studied.

詳細討論了四相導線任意排列的四相輸電線路的換位方案女人操女人，研究了其各序參數的計算方法。

By means of rolling transposition, the parameter balance of four-phase power transmission line with arbitrary conductor configuration can be implemented.

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The conductor transposition principle and parameter calculation method of four-phase power transmission line with arbitrary conductor configuration are researched, and the compatibility between four-phase and three-phase power transmission systems is analyzed.

討論了導線任意排列的四相輸電線路的換位原則與參數計算方法和四相輸電線路與現有三相系統(tǒng)的兼容問題。

In the paper,using three methods,including C language,Matlab and DSP Builder,producing the arbitrary waveform initialization data of the sine wave,the triangular wave,the saw-tooth wave and the square-wave.Programming,parameter setting and waveform simulation are described to every method detailedly.

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