相比于传统的数模变换器，本发明结构简单，转换速度快，在转换信号位数较多时此种优势更加明显。
Compared with traditional digit-analog converter, the invention has simple structure, quick conversion speed. The merit is superior especially for relatively more conversion signal digit.
基于信号在不同尺度下小波变换系数模不同的变化特征，结合最优梯度估计算法提出了一种边缘检测方法。
Based on different properties of the coefficient modulus of the signal in different scale wavelet transform, conjunction the best estimate of gradient algorithm an edge detecting method is proposed.
在传递函数模型中，这些方程经过（拉氏）变换，并消去中间变量，以求得所选定的输入输出变量间的关系。
In transfer function models these equations are transformed and variables are eliminated between them to find the relation between selected input and output variables.
本文从工程应用的角度叙述了以付里叶变换为基础的谱分析方法和参数模型谱分析方法所面临的主要问题。
In this paper, main problems that face the Fourier spectrum analysis method and parameter model spectrum analysis method are described from the viewpoint of engineering application.
由于公开密钥采用大素数模运算，而加密和解密变换却采用相对较小的素数模运算，故系统实现比较方便，在微机上能够很容易实现。
Since the public keys use big prime modular operation and the translation of the encryption and decryption use smaller prime modular operation, so it is convenient to realize this system.
由于公开密钥采用大素数模运算，而加密和解密变换却采用相对较小的素数模运算，故系统实现比较方便，在微机上能够很容易实现。
Since the public keys use big prime modular operation and the translation of the encryption and decryption use smaller prime modular operation, so it is convenient to realize this system.
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