如何从FIR滤波器的参数来推测滤波器类型?以下为四组FIR滤波器参数,每组有16个参数,谁能告诉我每组参数都对应什么类型的滤波器?第一组:coefficient[0][0] = -6;coefficient[0][1] = -4;coefficient[0][2] = 13;
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 18:35:05
![如何从FIR滤波器的参数来推测滤波器类型?以下为四组FIR滤波器参数,每组有16个参数,谁能告诉我每组参数都对应什么类型的滤波器?第一组:coefficient[0][0] = -6;coefficient[0][1] = -4;coefficient[0][2] = 13;](/uploads/image/z/7912570-58-0.jpg?t=%E5%A6%82%E4%BD%95%E4%BB%8EFIR%E6%BB%A4%E6%B3%A2%E5%99%A8%E7%9A%84%E5%8F%82%E6%95%B0%E6%9D%A5%E6%8E%A8%E6%B5%8B%E6%BB%A4%E6%B3%A2%E5%99%A8%E7%B1%BB%E5%9E%8B%3F%E4%BB%A5%E4%B8%8B%E4%B8%BA%E5%9B%9B%E7%BB%84FIR%E6%BB%A4%E6%B3%A2%E5%99%A8%E5%8F%82%E6%95%B0%2C%E6%AF%8F%E7%BB%84%E6%9C%8916%E4%B8%AA%E5%8F%82%E6%95%B0%2C%E8%B0%81%E8%83%BD%E5%91%8A%E8%AF%89%E6%88%91%E6%AF%8F%E7%BB%84%E5%8F%82%E6%95%B0%E9%83%BD%E5%AF%B9%E5%BA%94%E4%BB%80%E4%B9%88%E7%B1%BB%E5%9E%8B%E7%9A%84%E6%BB%A4%E6%B3%A2%E5%99%A8%3F%E7%AC%AC%E4%B8%80%E7%BB%84%3Acoefficient%5B0%5D%5B0%5D+%3D+-6%3Bcoefficient%5B0%5D%5B1%5D+%3D+-4%3Bcoefficient%5B0%5D%5B2%5D+%3D+13%3B)
如何从FIR滤波器的参数来推测滤波器类型?以下为四组FIR滤波器参数,每组有16个参数,谁能告诉我每组参数都对应什么类型的滤波器?第一组:coefficient[0][0] = -6;coefficient[0][1] = -4;coefficient[0][2] = 13;
如何从FIR滤波器的参数来推测滤波器类型?
以下为四组FIR滤波器参数,每组有16个参数,谁能告诉我每组参数都对应什么类型的滤波器?
第一组:
coefficient[0][0] = -6;
coefficient[0][1] = -4;
coefficient[0][2] = 13;
coefficient[0][3] = 16;
coefficient[0][4] = -18;
coefficient[0][5] = -41;
coefficient[0][6] = 23;
coefficient[0][7] = 154;
coefficient[0][8] = 222;
coefficient[0][9] = 154;
coefficient[0][10] = 23;
coefficient[0][11] = -41;
coefficient[0][12] = -18;
coefficient[0][13] = 16;
coefficient[0][14] = 13;
coefficient[0][15] = -4;
第二组:
coefficient[1][0] = 1;
coefficient[1][1] = 0;
coefficient[1][2] = 0;
coefficient[1][3] = 0;
coefficient[1][4] = 0;
coefficient[1][5] = 0;
coefficient[1][6] = 0;
coefficient[1][7] = 0;
coefficient[1][8] = 0;
coefficient[1][9] = 0;
coefficient[1][10] = 0;
coefficient[1][11] = 0;
coefficient[1][12] = 0;
coefficient[1][13] = 0;
coefficient[1][14] = 0;
coefficient[1][15] = 0;
第三组
coefficient[2][0] = 1;
coefficient[2][1] = 1;
coefficient[2][2] = 1;
coefficient[2][3] = 1;
coefficient[2][4] = 1;
coefficient[2][5] = 1;
coefficient[2][6] = 0;
coefficient[2][7] = 0;
coefficient[2][8] = 0;
coefficient[2][9] = 0;
coefficient[2][10] = 0;
coefficient[2][11] = 0;
coefficient[2][12] = 0;
coefficient[2][13] = 0;
coefficient[2][14] = 0;
coefficient[2][15] = 0;
第四组
coefficient[3][0] = -6;
coefficient[3][1] = -4;
coefficient[3][2] = 13;
coefficient[3][3] = 16;
coefficient[3][4] = -18;
coefficient[3][5] = -41;
coefficient[3][6] = 23;
coefficient[3][7] = 154;
coefficient[3][8] = 222;
coefficient[3][9] = 154;
coefficient[3][10] = 23;
coefficient[3][11] = -41;
coefficient[3][12] = -18;
coefficient[3][13] = 16;
coefficient[3][14] = 13;
coefficient[3][15] = -4;
如何从FIR滤波器的参数来推测滤波器类型?以下为四组FIR滤波器参数,每组有16个参数,谁能告诉我每组参数都对应什么类型的滤波器?第一组:coefficient[0][0] = -6;coefficient[0][1] = -4;coefficient[0][2] = 13;
截止频率(the cutoff frequency ):用来说明电路频率特性指标的特殊频率.当保持电路输入信号的幅度不变,改变频率使输出信号降至最大值的0.707倍,或某一特殊额定值时该频率称为截止频率.
阻带频率(the stopband frequency ):也是用来说明电路频率特性指标的特殊频率.当保持电路输入信号的幅度不变,改变频率使输出信号衰减60dB时,该频率称为阻带频率.
本人觉得响应的截止频率就是the cutoff frequency .
仅供参考啊!