Tài liệu Digital Audio Broadcasting ppt

... Quantisation; Layer II audio bitstream; Audio decoding) 3.3 Characteristics and Features of MPEG-1 Layer II for DAB 84 (Audio modes; Sampling rate; Audio frame structure; Audio bit rates; Layer ... DRM, Digital television DVB-T, Digital radio in US and Japan; Web-casting) 2 System Concept 27 2.1 The Physical Channel 27 (Multipath propagation; Doppler shifted carriers) Digital...

Ngày tải lên: 23/12/2013, 04:17

... to automobiles—have successfully gained an edge with digital components and production methods supported by digital devices. The drive to digital is apparent in wireless voice and data communications, ... of Distributing Wireless Coverage and Capacity Digital RF Transport Digital RF transport stands for flexibility The relative noise immunity of digital RF transport systems delive...

Ngày tải lên: 17/01/2014, 11:20

... 1986. R.E. Ziemer and R.L. Peterson, Digital Communications and Spread Spectrum Systems, New York, Macmillan, 1985. R.E. Ziemer and R.L. Peterson, Introduction to Digital Communications, New York, ... sudden bump in the number of times Spread Spectrum (SS) techniques were mentioned in the amateur digital areas. While QEX has discussed SS in the past, we haven't touched on it in thi...

Ngày tải lên: 21/01/2014, 04:20

... of a wireless digital communication system. 69.4 MMSE Beamformer for Mobile Communications In this section, we discuss the implementation of the MMSE beamformer in the context of a digital wireless ... beamforming has been widely used for directional transmission and reception as well as for sector broadcasting in satellite communications systems. More recently, due to the drastic incre...

Ngày tải lên: 13/12/2013, 00:15

... a spatial frequency warping identical to the temporal frequency warping incurred in designing a digital filter from an analog filter via the bilinear transformation. Consider  = λ 2 so that µ i =− 2π λ 

Ngày tải lên: 13/12/2013, 00:15

... P c  1999 by CRC Press LLC Gonen, E. & Mendel, J.M. “Subspace-Based Direction Finding Methods” Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. Williams Boca Raton: CRC ... in array signal process- ing, Signal Processing, 25(2), 147–169, Nov. 1991. [18] Marple, S.L., Digital Spectral Analysis with Applications, Prentice-Hall, Englewood Cliffs, NJ, 1987. [19] M...

Ngày tải lên: 13/12/2013, 00:15

... small audio loudspeaker in a room is estimated. A Gaussian-distributed signal with a flat frequency spectrum over the usable frequency range of the loudspeakeris generated and sent through an audio ... identification experiment. c  1999 by CRC Press LLC Douglas, S.C. “Introduction to Adaptive Filters” Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. Williams Boca...

Ngày tải lên: 13/12/2013, 00:15

... detection, estimation, filtering, and classification, and in a wide variety of applications such as digital communications, automatic control, radar and sonar, and other engineering disciplines and ... the true phase characteristic is crucial in several applications such as blind equaliza- tion of digital communications channels. Use of higher-order statistics allows one to uniquely identif...

Ngày tải lên: 13/12/2013, 00:15

... chemicals. WHY GO DIGITAL? Once captured, digital photographs are already in a format that makes them incredibly easy to distribute and use. For example, you can insert digital photographs ... large-screen TV. Digital photography is instant photography without the film costs! If you're considering going digital, here are a few more reasons to get even more serious. - Goi...

Ngày tải lên: 13/12/2013, 23:15