Research Article

A Novel Design of Sparse FIR Multiple Notch Filters with Tunable Notch Frequencies

Table 4

Nonzero coefficients of the designed filter in Example 3.

Taps Nonzero tap weights

01740.001163545765695
241500.003165433288996
331410.002091982284630
38136−0.047102411486321
39135−0.005481276840672
401340.019772136963283
41133−0.043110955540852
421320.020979982565140
431310.015127277492607
441300.022611789510971
451290.010481611606251
46128−0.039298064713159
47127−0.024983870407359
48126−0.013239453713585
491250.022935249461144
501240.027344765658964
51123−0.037957131548364
521220.075665876343805
531210.024121474369378
54120−0.104718797612301
55119−0.014707635070068
561180.016302396989146
571170.011567221940061
58116−0.010934081396023
591150.019926233327605
601140.089656608769556
61113−0.041103476228622
62112−0.033265661189825
63111−0.026560471743885
64110−0.082576601043643
651090.085379844129436
661080.024951523169648
67107−0.038897009099235
681060.088237797320545
691050.036518046705842
70104−0.053707639239860
71103−0.134082248075127
721020.007838779814640
731010.104434475095505
74100−0.081493323669535
75990.057503261219777
76980.103032966355301
7797−0.046232816359952
7896−0.001798639004124
7995−0.100284039691277
8094−0.057999870693463
81930.060896839992225
82920.036785941586311
83910.041803167312136
8490−0.030010449210885
85890.094188919109719
86880.018630470290357
870.882383969239141