Computationally efficient FIR digital filters

... to develop computationally efficient techniques for the design of FIR filters In this thesis, new techniques and methods are proposed to design computationally efficient FIR filters First, a modified ... there are basically two types of digital filters, namely, finite impulse response (FIR) digital filters and infinite impulse response (IIR) digital filters FIR f...

Ngày tải lên: 15/09/2015, 22:24

... implementation of sharp filters and filter banks Section 1.1 and 1.2 give a brief review of these work CHAPTER Introduction 1.1 Literature Review I - Approaches of Designing Sharp FIR Filters Let a lowpass FIR ... viii List of Figures x List of Tables xv Introduction 1.1 1.1.1 Interpolated Finite Impulse Response (IFIR) Filters 1.1.2 1.2 Literature Review I - Approaches...

Ngày tải lên: 12/09/2015, 08:19

... evenlength prototype filter Hpro (z) with the passband and stopband edges at times of desired passband and stopband edges The passband and stopband ripples of Hpro (z) are the same as the desired filter ... stopband attenuation of Hp (z) is large enough to get rid of the passband replica of Heq (z) in [π −ωs , π], where ωs is the stopband edge of Heq (z ) Figure 2.2 shows one...

Ngày tải lên: 15/09/2015, 17:11

... Type FIR Filter Response The disadvantages of FIR filters over IIR filters are: • FIR filters take relatively more memory and computation time • FIR filters cannot give sharper cut-off than IIR filters ... more information) The FIR and IIR filter can be used for off-line processing or for real-time processing The code examples, expl _fir. asm (for FIR) and exp...

Ngày tải lên: 11/01/2016, 14:29

... Includes index ISBN-13: 97 8-1 -9 0520 9-4 5-3 ISBN-10: 1-9 0520 9-4 5-2 Electric filters, Digital Signal processing Digital techniques Image processing Digital techniques I Najim, Mohamed II Title TK7872.F5S915 ... Digital Filters Design for Signal and Image Processing This page intentionally left blank Digital Filters Design for Signal...

Ngày tải lên: 05/06/2014, 12:05

... xt |t 1  Pt |t 1st 1 ˆ ˆ ˆ ˆ Pt | N  Pt |t 1  Pt |t 1St 1Pt |t 1 ˆ st 1  HT Ft 1 z t  H t xt |t 1   ΦtT st t St 1  HT Ft1H t  ΦtT St Φt t ˆ Φt  Φt  Φt Pt |t 1HT Ft1H t ... R t CT  H t Pt |t 1HT t t Kt  ˆ P   HT Ft 1 t t 1 t |t 1  ˆ ˆ xt 1 t  Φt 1  K t HT xt |t 1  K t z t t  ˆ ˆ ˆ Pt 1| t  Φt 1Pt |t 1 T 1  K t Φt 1Pt |t 1HT t t  EQ E T t t ......

Ngày tải lên: 20/06/2014, 01:20

... P(t) P(t) 2. 1 2 1.95 100 120 140 160 180 20 0 22 0 Time (seconds/1000) Forecast of z(t) 24 0 26 0 20 0 28 0 -2 300 350 400 450 Time (seconds/1000) Forecast of z(t) 500 550 -2 z(t) z(t) 25 0 -4 -4 -6 ... Maintenance Management [9] [10] [11] [ 12] [13] [14] [15] [16] [17] [18] [19] [20 ] [21 ] [22 ] [23 ] [24 ] [25 ] [26 ] [27 ] 25 García Márquez F.P., Schmid F and Conde J.C., 20...

Ngày tải lên: 20/06/2014, 01:20

... 48 43 0, 232 5 0, 0 231 0 101, 0814  0, 2827 0, 5148 0,19 83 0, 0058 0, 0016 0,0401 T T 70, 027  0, 39 89 0, 4976 0, 1015 0, 0021 0, 0001 T 73, 505  0, 4 535 0, 49 53 0, 0547 0, 0 034  ... 32 Digital Filters z1  e1T , a0  ( z1  1) / T , k12  T ; k 13  T /(2  1T ) , z 13  (2  1T ) /(2  1T ) , complex frequency  13  ln( z 13 ) / T In cases of the ......

Ngày tải lên: 20/06/2014, 01:20

... 20.0936 273 .42 51 23.76 24 Case-I (Filter2) 0.001 630. 941 9 20.1309 256 .42 92 24. 041 1 Case-II (Filter2) 0.001 6 34. 0169 20.1098 244 .2690 24. 2521 Case-III (Filter2) 0.001 639.1828 20.0 746 253.6035 24. 0893 ... image by the both filters g Filter MSEns PSNRns(dB) MSEout PSNRout(dB) Case-I (Filter1) 0.001 629.9926 20.13 74 257.3906 24. 0 249 Case-II (Filter1) 0.001 636.2678 20.0 944...

Ngày tải lên: 20/06/2014, 01:20

... 0.2 85 0.0143 -1.6 35 0.692 BD int 0.0143 0. 057 α1 0. 057 α1 α2 0.3 65 α1 0. 057 α1 α2 FD int 0.0206 0.0824 α1 0.0824 α1 α2 0.0824 α1 α2 FD+BD int 0.0206 0.0824 α1 α2 − 0.3626 α1 BD diff 1 − α1 0. 25 ... for ω0 = 2π ∗ 1000, Q = and x = are Sk = −24 .50 2 457 45, Sk2 = ω 10.0 752 3914 and Sk = −24.997 457 44 Common features of analog sampled-data and digital filters design > > > > A9:...

Ngày tải lên: 20/06/2014, 01:20

... (66 ) In this particular case the template W results as:  0.0071  0.01 26  W   0.0383   0.01 26   0.0071 0.01 26 0. 068 1 0.0131 0. 068 1 0.01 26 0.0383 0.01 26 0.0071  0.0131 0. 068 1 ... 0.0210 0.0775 0. 066 1 0.0775 0.0210 0. 062 3 0.0210 0.0073  0.1 060 0.0775 0.0135   0.1957 0. 066 1 0.0250   0.1 060 0.0775 0.0135  0. 062 3 0.0210 0.0073  ...

Ngày tải lên: 20/06/2014, 01:20

... 0.0 471   0.0 471 0.0 272 0.0042 0.0 272  0.0 272 0.0886 0.2588 0.0886 0.0 272    0.2588 0.4198 0.2588 0.0042  C   0.0042   0.0886 0.2588 0.0886 0.0 272   0.0 272  0.0 471 0.0 272 ... wedge filters for local orientation analysis IEEE Trans.on Image Processing, Vol (9), Sep 1996, pp.1 377 -1382, ISSN: 10 57- 7149 Integration of digital filters and measurements 12...

Ngày tải lên: 20/06/2014, 01:20

... 2009), Integration of digital filters and measurements 135  0.50  covK , 1 ,    T covK , Re p , Im p T T  10 4        1. 68   1 .83 2   0 2 1.70  1. 682  1 0 K K  ... then made with several digital filters, as shown in Fig below The human lumbar spine filter and the vehicle filters are non-trivial and will be discussed below 144 Digital Filters...

Ngày tải lên: 20/06/2014, 01:20