利用matlab实现IIR滤波器的设计，其中包括Butterworth滤波器的设计、冲激响应法和双线性变换法-IIR filter design using matlab, including the design of the Butterworth filter impulse response method and the bilinear transform

基于KEIL开发环境的51单片机线性参数标度变换 C语言程序源码-51 single parameter KEIL development environment based on scale transformation C language source code

数组中数据线性变换，就是将一个数组的每一个数按一个公式变换成另一个数。-Linear array of data transformation, is an array of each number by a formula converted into another number.