lowpass.csv

我自己改写的Remez,FIR滤波器参数计算程序

Frequency, Amplitude, Amp_dB
0.000000e+000, 9.602222e-001, -3.525653e-001
1.956947e-003, 9.656319e-001, -3.037677e-001
3.913894e-003, 9.803904e-001, -1.720188e-001
5.870841e-003, 1.000485e+000, 4.213852e-003
7.827789e-003, 1.020453e+000, 1.758602e-001
9.784736e-003, 1.034864e+000, 2.976688e-001
1.174168e-002, 1.039800e+000, 3.389957e-001
1.369863e-002, 1.033915e+000, 2.896997e-001
1.565558e-002, 1.018807e+000, 1.618371e-001
1.761252e-002, 9.985772e-001, -1.236688e-002
1.956947e-002, 9.787211e-001, -1.868214e-001
2.152642e-002, 9.646317e-001, -3.127693e-001
2.348337e-002, 9.601362e-001, -3.533429e-001
2.544031e-002, 9.664560e-001, -2.963582e-001
2.739726e-002, 9.818756e-001, -1.588704e-001
2.935421e-002, 1.002209e+000, 1.916851e-002
3.131115e-002, 1.021938e+000, 1.884923e-001
3.326810e-002, 1.035709e+000, 3.047558e-001
3.522505e-002, 1.039788e+000, 3.388946e-001
3.718200e-002, 1.033072e+000, 2.826109e-001
3.913894e-002, 1.017389e+000, 1.497375e-001
4.109589e-002, 9.969977e-001, -2.611692e-002
4.305284e-002, 9.774340e-001, -1.982516e-001
4.500978e-002, 9.640048e-001, -3.184161e-001
4.696673e-002, 9.603504e-001, -3.514054e-001
4.892368e-002, 9.674573e-001, -2.873639e-001
5.088063e-002, 9.833924e-001, -1.454634e-001
5.283757e-002, 1.003829e+000, 3.319552e-002
5.479452e-002, 1.023222e+000, 1.994014e-001
5.675147e-002, 1.036313e+000, 3.098211e-001
5.870841e-002, 1.039554e+000, 3.369378e-001
6.066536e-002, 1.032068e+000, 2.741628e-001
6.262231e-002, 1.015887e+000, 1.369066e-001
6.457926e-002, 9.953981e-001, -4.006422e-002
6.653620e-002, 9.761533e-001, -2.096398e-001
6.849315e-002, 9.633652e-001, -3.241807e-001
7.045010e-002, 9.604964e-001, -3.500852e-001
7.240705e-002, 9.683228e-001, -2.795968e-001
7.436399e-002, 9.847260e-001, -1.336919e-001
7.632094e-002, 1.005268e+000, 4.563846e-002
7.827789e-002, 1.024394e+000, 2.093403e-001
8.023483e-002, 1.036933e+000, 3.150176e-001
8.219178e-002, 1.039499e+000, 3.364794e-001
8.414873e-002, 1.031398e+000, 2.685261e-001
8.610568e-002, 1.014820e+000, 1.277794e-001
8.806262e-002, 9.942397e-001, -5.017762e-002
9.001957e-002, 9.752099e-001, -2.180382e-001
9.197652e-002, 9.628604e-001, -3.287332e-001
9.393346e-002, 9.605165e-001, -3.499037e-001
9.589041e-002, 9.688037e-001, -2.752841e-001
9.784736e-002, 9.854833e-001, -1.270145e-001
9.980431e-002, 1.006059e+000, 5.246576e-002
1.017613e-001, 1.024989e+000, 2.143845e-001
1.037182e-001, 1.037183e+000, 3.171064e-001
1.056751e-001, 1.039366e+000, 3.353736e-001
1.076321e-001, 1.030962e+000, 2.648536e-001
1.095890e-001, 1.014239e+000, 1.228056e-001
1.115460e-001, 9.936987e-001, -5.490535e-002
1.135029e-001, 9.748624e-001, -2.211332e-001
1.154599e-001, 9.627863e-001, -3.294022e-001
1.174168e-001, 9.607052e-001, -3.481975e-001
1.193738e-001, 9.691682e-001, -2.720169e-001
1.213307e-001, 9.858961e-001, -1.233766e-001
1.232877e-001, 1.006398e+000, 5.539228e-002
1.252446e-001, 1.025177e+000, 2.159744e-001
1.272016e-001, 1.037206e+000, 3.173021e-001
1.291585e-001, 1.039273e+000, 3.345911e-001
1.311155e-001, 1.030833e+000, 2.637636e-001
1.330724e-001, 1.014152e+000, 1.220605e-001
1.350294e-001, 9.936952e-001, -5.493580e-002
1.369863e-001, 9.749291e-001, -2.205394e-001
1.389432e-001, 9.628606e-001, -3.287314e-001
1.409002e-001, 9.607029e-001, -3.482177e-001
1.428571e-001, 9.690221e-001, -2.733261e-001
1.448141e-001, 9.855922e-001, -1.260551e-001
1.467710e-001, 1.005994e+000, 5.190362e-002
1.487280e-001, 1.024794e+000, 2.127303e-001
1.506849e-001, 1.036995e+000, 3.155331e-001
1.526419e-001, 1.039360e+000, 3.353213e-001
1.545988e-001, 1.031270e+000, 2.674478e-001
1.565558e-001, 1.014881e+000, 1.283058e-001
1.585127e-001, 9.945493e-001, -4.747386e-002
1.604697e-001, 9.756678e-001, -2.139605e-001
1.624266e-001, 9.632391e-001, -3.253178e-001
1.643836e-001, 9.605498e-001, -3.496022e-001
1.663405e-001, 9.683046e-001, -2.797604e-001
1.682975e-001, 9.844445e-001, -1.361749e-001
1.702544e-001, 1.004696e+000, 4.069417e-002
1.722114e-001, 1.023703e+000, 2.034800e-001
1.741683e-001, 1.036442e+000, 3.109035e-001
1.761252e-001, 1.039549e+000, 3.369031e-001
1.780822e-001, 1.032204e+000, 2.753124e-001
1.800391e-001, 1.016346e+000, 1.408356e-001
1.819961e-001, 9.961644e-001, -3.337923e-002
1.839530e-001, 9.769916e-001, -2.021833e-001
1.859100e-001, 9.639018e-001, -3.193441e-001
1.878669e-001, 9.603707e-001, -3.512219e-001
1.898239e-001, 9.673541e-001, -2.882907e-001
1.917808e-001, 9.830251e-001, -1.487079e-001
1.937378e-001, 1.003241e+000, 2.810904e-002
1.956947e-001, 1.022624e+000, 1.943179e-001
1.976517e-001, 1.035969e+000, 3.069374e-001
1.996086e-001, 1.039634e+000, 3.376123e-001
2.015656e-001, 1.032529e+000, 2.780445e-001
2.035225e-001, 1.016458e+000, 1.417927e-001
2.054795e-001, 9.957142e-001, -3.730612e-002
2.074364e-001, 9.759994e-001, -2.110086e-001
2.093933e-001, 9.629461e-001, -3.279608e-001
2.113503e-001, 9.605776e-001, -3.493506e-001
2.133072e-001, 9.700926e-001, -2.637360e-001
2.152642e-001, 9.892658e-001, -9.374022e-002
2.172211e-001, 1.012621e+000, 1.089427e-001
2.191781e-001, 1.032352e+000, 2.765600e-001
2.211350e-001, 1.039787e+000, 3.388884e-001
2.230920e-001, 1.027086e+000, 2.321346e-001
2.250489e-001, 9.888019e-001, -9.781433e-002
2.270059e-001, 9.229791e-001, -6.961623e-001
2.289628e-001, 8.315702e-001, -1.602022e+000
2.309198e-001, 7.201116e-001, -2.852004e+000
2.328767e-001, 5.967523e-001, -4.484117e+000
2.348337e-001, 4.708629e-001, -6.542111e+000
2.367906e-001, 3.515219e-001, -9.080951e+000
2.387476e-001, 2.461825e-001, -1.217486e+001
2.407045e-001, 1.597548e-001, -1.593092e+001
2.426614e-001, 9.423554e-002, -2.051571e+001
2.446184e-001, 4.888751e-002, -2.621604e+001
2.465753e-001, 2.086015e-002, -3.361365e+001
2.485323e-001, 6.066116e-003, -4.434179e+001
2.504892e-001, 1.017350e-004, -7.985059e+001
2.524462e-001, -9.769348e-004, -6.020269e+001
2.544031e-001, -1.489580e-004, -7.653872e+001
2.563601e-001, 7.598728e-004, -6.238518e+001
2.583170e-001, 9.810716e-004, -6.016599e+001
2.602740e-001, 5.130529e-004, -6.579676e+001
2.622309e-001, -2.475876e-004, -7.212542e+001
2.641879e-001, -8.435813e-004, -6.147746e+001
2.661448e-001, -9.862133e-004, -6.012058e+001
2.681018e-001, -6.449944e-004, -6.380888e+001
2.700587e-001, -1.151826e-005, -9.877226e+001
2.720157e-001, 6.163273e-004, -6.420377e+001
2.739726e-001, 9.704513e-004, -6.026053e+001
2.759295e-001, 9.161036e-004, -6.076111e+001
2.778865e-001, 4.910707e-004, -6.617712e+001
2.798434e-001, -1.241592e-004, -7.812042e+001
2.818004e-001, -6.857898e-004, -6.327618e+001
2.837573e-001, -9.819089e-004, -6.015858e+001
2.857143e-001, -9.083633e-004, -6.083481e+001
2.876712e-001, -5.005336e-004, -6.601134e+001
2.896282e-001, 8.640888e-005, -8.126883e+001
2.915851e-001, 6.381085e-004, -6.390211e+001
2.935421e-001, 9.589185e-004, -6.036437e+001
2.954990e-001, 9.394295e-004, -6.054272e+001
2.974560e-001, 5.913086e-004, -6.456372e+001
2.994129e-001, 3.939701e-005, -8.809073e+001
3.013699e-001, -5.242222e-004, -6.560969e+001
3.033268e-001, -9.071494e-004, -6.084642e+001
3.052838e-001, -9.814685e-004, -6.016247e+001
3.072407e-001, -7.250575e-004, -6.279255e+001
3.091977e-001, -2.266317e-004, -7.289359e+001
3.111546e-001, 3.459235e-004, -6.922040e+001
3.131115e-001, 8.024362e-004, -6.191179e+001
3.150685e-001, 9.932839e-004, -6.005853e+001
3.170254e-001, 8.576282e-004, -6.133402e+001
3.189824e-001, 4.418228e-004, -6.709504e+001
3.209393e-001, -1.172138e-004, -7.862043e+001
3.228963e-001, -6.375178e-004, -6.391015e+001
3.248532e-001, -9.512838e-004, -6.043380e+001
3.268102e-001, -9.585589e-004, -6.036762e+001
3.287671e-001, -6.584283e-004, -6.362983e+001
3.307241e-001, -1.481948e-004, -7.658334e+001
3.326810e-001, 4.086286e-004, -6.777342e+001
3.346380e-001, 8.348782e-004, -6.156754e+001
3.365949e-001, 9.959448e-004, -6.003529e+001
3.385519e-001, 8.418822e-004, -6.149497e+001
3.405088e-001, 4.223937e-004, -6.748565e+001
3.424658e-001, -1.296284e-004, -7.774600e+001
3.444227e-001, -6.404493e-004, -6.387030e+001
3.463796e-001, -9.501806e-004, -6.044388e+001
3.483366e-001, -9.626185e-004, -6.033092e+001
3.502935e-001, -6.747842e-004, -6.341670e+001
3.522505e-001, -1.772154e-004, -7.502997e+001
3.542074e-001, 3.747727e-004, -6.852464e+001
3.561644e-001, 8.096647e-004, -6.183390e+001
3.581213e-001, 9.929525e-004, -6.006143e+001
3.600783e-001, 8.685082e-004, -6.122452e+001
3.620352e-001, 4.754773e-004, -6.645740e+001
3.639922e-001, -6.429387e-005, -8.383661e+001
3.659491e-001, -5.841857e-004, -6.466898e+001
3.679061e-001, -9.242420e-004, -6.068429e+001
3.698630e-001, -9.802414e-004, -6.017334e+001
3.718200e-001, -7.353967e-004, -6.266957e+001
3.737769e-001, -2.651134e-004, -7.153137e+001
3.757339e-001, 2.864567e-004, -7.085882e+001
3.776908e-001, 7.507225e-004, -6.249041e+001
3.796477e-001, 9.861793e-004, -6.012088e+001
3.816047e-001, 9.214202e-004, -6.071085e+001
3.835616e-001, 5.766038e-004, -6.478245e+001
3.855186e-001, 5.698664e-005, -8.488454e+001
3.874755e-001, -4.793555e-004, -6.638685e+001
3.894325e-001, -8.696799e-004, -6.121281e+001
3.913894e-001, -9.959274e-004, -6.003545e+001
3.933464e-001, -8.203248e-004, -6.172028e+001
3.953033e-001, -3.965451e-004, -6.803415e+001
3.972603e-001, 1.468238e-004, -7.666407e+001
3.992172e-001, 6.453694e-004, -6.380383e+001
4.011742e-001, 9.486009e-004, -6.045833e+001
4.031311e-001, 9.653029e-004, -6.030673e+001
4.050881e-001, 6.908521e-004, -6.321230e+001
4.070450e-001, 2.083556e-004, -7.362389e+001
4.090020e-001, -3.366154e-004, -6.945732e+001
4.109589e-001, -7.799882e-004, -6.215824e+001
4.129159e-001, -9.885595e-004, -6.009994e+001
4.148728e-001, -8.999293e-004, -6.091583e+001
4.168297e-001, -5.410531e-004, -6.533520e+001
4.187867e-001, -1.993275e-005, -9.400865e+001
4.207436e-001, 5.069622e-004, -6.590049e+001
4.227006e-001, 8.816951e-004, -6.109363e+001
4.246575e-001, 9.921633e-004, -6.006834e+001
4.266145e-001, 8.055478e-004, -6.187817e+001
4.285714e-001, 3.779585e-004, -6.845112e+001
4.305284e-001, -1.625282e-004, -7.578142e+001
4.324853e-001, -6.542858e-004, -6.368465e+001
4.344423e-001, -9.504706e-004, -6.044123e+001
4.363992e-001, -9.628214e-004, -6.032909e+001
4.383562e-001, -6.878770e-004, -6.324978e+001
4.403131e-001, -2.078506e-004, -7.364498e+001
4.422701e-001, 3.340260e-004, -6.952439e+001
4.442270e-001, 7.762735e-004, -6.219970e+001
4.461840e-001, 9.872723e-004, -6.011126e+001
4.481409e-001, 9.043784e-004, -6.087300e+001
4.500978e-001, 5.524438e-004, -6.515424e+001
4.520548e-001, 3.628669e-005, -8.880505e+001
4.540117e-001, -4.905814e-004, -6.618578e+001
4.559687e-001, -8.716285e-004, -6.119337e+001
4.579256e-001, -9.937823e-004, -6.005417e+001
4.598826e-001, -8.209241e-004, -6.171394e+001
4.618395e-001, -4.044953e-004, -6.786173e+001
4.637965e-001, 1.318778e-004, -7.759657e+001
4.657534e-001, 6.291247e-004, -6.402527e+001
4.677104e-001, 9.399081e-004, -6.053829e+001
4.696673e-001, 9.722462e-004, -6.024447e+001
4.716243e-001, 7.166756e-004, -6.289355e+001
4.735812e-001, 2.489517e-004, -7.207770e+001
4.755382e-001, -2.924613e-004, -7.067863e+001
4.774951e-001, -7.474086e-004, -6.252884e+001
4.794521e-001, -9.814099e-004, -6.016299e+001
4.814090e-001, -9.253695e-004, -6.067370e+001
4.833659e-001, -5.959152e-004, -6.449631e+001
4.853229e-001, -9.040075e-005, -8.087656e+001
4.872798e-001, 4.419107e-004, -6.709331e+001
4.892368e-001, 8.439368e-004, -6.147380e+001
4.911937e-001, 9.971117e-004, -6.002512e+001
4.931507e-001, 8.563044e-004, -6.134744e+001
4.951076e-001, 4.630473e-004, -6.668749e+001
4.970646e-001, -6.678286e-005, -8.350670e+001
4.990215e-001, -5.771631e-004, -6.477403e+001