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Generalized Pulse-Spectrum Technique is a kind of widely applied and effective methods for solving inverse problems of geophysical prospecting. But it is still imperfect in the aspects of convergence domain, ability of anti-noise, computaional cost, choice of regularized parameter, and so on.

广义脉冲谱方法是求解地球物理反问题的应用广泛而有效的一类方法，但在收敛范围、抗噪能力、计算量、以及正则参数选取等方面仍存在较大不足。

This article from the start with the basic signal analysis, the Fourier transform, convolution theorem derivation and feasibility studies, and its use of simulation software MATLAB simulation, to be more intuitive signal of the spectrum changes, simulation discrete signal The system response.

本文就从最基本的信号系统分析入手，对傅里叶变换、卷积定理进行推导和论证，并且运用仿真软件MATLAB对其进行仿真，目的是更直观的研究信号的频谱变化关系，仿真离散信号的系统响应。

A series representation for the spectrum of difference pattern is thenobtained according to the convolution theorem.

根据天线远区场对口径波谱的局部依赖性，引入有效近场的概念，提出一种面向远场计算的波谱射线方法。

Digital holography ; Microscopic digital holography ; Wave front reconstruction ; Fresnel approximation ; Convolution method ; Angular spectrum theorem

数字全息；显微数字全息；波前重建；菲涅耳近似；卷积法；角谱方法

If you have a cordless telephone, chances are quite good that it operates in the same 2.4GHz spectrum.

如果你有一个无绳电话，很不错的，它在同一2.4GHz的频谱。

Finally, adopt infrared spectrum analytic instrument to analyse the chemical mechanism of the cornstarch glue.

最后，采用红外光谱仪器分析法对制胶过程的化学机理进行分析探讨。

In 1871, not only emission lines but also absorption lines were detected in the coronal spectrum.

在1871年，在日冕光谱中不仅有射线而且还有吸收线被发现。

This first 'coronium' line is in the green region of the solar spectrum.

第一条谱线处于太阳光谱绿色区域。

Its power spectrum is similar to gauss white noise. The similar random correlativity is good.

其类似白噪声的功率谱，良好的类随机相关特性，具有应用于扩频通信的潜力。

CORVUS : a cognitive radio approach for usage of virtual unlicensed spectrum R .

认知无线电技术的出现，为解决频谱资源不足，实现频谱动态管理及提高频谱利用率提供了强有力的技术支撑。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。