Real-Time Digital Signal Processing - Chapter 4: Frequency Analysis

... section? 180 FREQUENCY ANALYSIS 4 Frequency Analysis Frequency analysis of any given signal involves the transformation of a time-domain signal into its frequency components. The need for describing a signal ... aperiodic signals,the frequency analysis of discrete-time aperiodic signals involves the Fourier transform of the time-domain signal. In previous sections,we...

Ngày tải lên: 23/10/2013, 22:15

... 1 Introduction to Real-Time Digital Signal Processing Signals can be divided into three categories ± continuous-time (analog) signals, discrete-time signals, and digital signals. The signals that ... use digital filters. 10 INTRODUCTION TO REAL-TIME DIGITAL SIGNAL PROCESSING Analog input − Σ Sigma Delta 1-bit B-bit 1-bit DAC 1-bit ADC ∫ + Digital decimator Figure 1.6 A...

Ngày tải lên: 17/10/2013, 14:15

... applications, and experiments. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) There are ... unit (IU) Two 24-bit data-write address buses (EAB, FAB) 24-bit program-read address bus (PAB) 32-bit program-read data bus (PB) Three 16-bit data-read data buses...

Ngày tải lên: 19/10/2013, 23:15

... */ } } EXPERIMENTS OF FIXED-POINT IMPLEMENTATIONS 109 Figure 3.19 Quantizing 16-bit data (top-left) into 12-bit (bottom-left), 8-bit (top-right), and 6-bit (bottom-right) Figure 3.20 Example ... signal x(t) into digital form x(n). The input signal is first sampled to obtain the discrete-time signal x(nT). Each x(nT) value is then encoded using B-bit wordlength to obtain the digital...

Ngày tải lên: 19/10/2013, 23:15

... briefly introduced in Chapter 6. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) 1. ... been previously combined. A digital filter is a mathematical algorithm implemented in hard- ware, firmware, and/or software that operates on a digital input sig...

Ngày tải lên: 23/10/2013, 22:15

... that possesses a Fourier Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) for(j  ... iir.c, epx6a.c, signal_ gen2.c and sine.asm to the project. The lowpass filter iir()will attenuate high -frequency components from the input signal generated by the...

Ngày tải lên: 28/10/2013, 05:15

... for DSP implementations. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) 7.5.3 Experiment ... Construct the signal- flow diagram of FFT for N  16 using the decimation-in-time method with bit-reversal input. 8. Construct the signal- flow diagram of FFT f...

Ngày tải lên: 28/10/2013, 05:15

... techniques for processing and analyzing them. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley& Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) x(n) ... unnecessarilyslow or introduce excess MSE. If the signal is non- stationaryand real-time tracking capabilityis crucial for a given application, the...

Ngày tải lên: 06/11/2013, 18:15

... echoes exist in both the full-duplex dial-up tele- phone networks and hands-free telephones. For a full-duplex telephone communica- tion, there exists the near-end and far-end data echoes. The adaptive ... filters are used to remove the out- of-band signals. The transmit filter and receive filter shown in Figure 9.22 are chosen to be square-root raised-cosine pulse-shape frequency response...

Ngày tải lên: 06/11/2013, 18:15

... d]=size(f); P=(a+c )-1 ;Q=(b+d )-1 ; g=imfilter(f,w,'conv',0,'full') F=fft2(f, P, Q ); W=fft2(w, P, Q); G=W.*F; G=real(ifft2(G)) ),(),(),(),( vuFvuHyxhyxf ⇔ ∗ Chapter4 Frequency Domain Processing Image ... the Frequency Domain Filtering in the frequency domain g = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 0 0 0 0 4 5 6 0 0 0 0 7 8 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Ngày tải lên: 28/04/2014, 10:35