error control techniques for digital communication

Comparison of current control techniques for active filter application

Ngày tải lên : 03/01/2014, 19:45

... previously described current control techniques for the active ﬁlter. The controllers include the implementation of all the aforementioned reﬁnements, so that the achieved performance is, as realistically ... the achievable performance on the slope of the current reference. The improvements in the control techniques result in rather satisfactory performance levels for all three controllers. How- ever, ... current error, turns out to be better than the other techniques. The deadbeat controller, which has the advantage of being suitable for a fully digital implementation, is limited in its performance...

8
459
0

Current control techniques for three phase voltage source PWM converters a survey

Ngày tải lên : 03/01/2014, 19:45

... FL controller, (b) control surface of con- ventional PI controller, (c) control surface of FL controller; comparison of current-tracking performance with PI and FL controller: (d) current waveform, and ... part the static error can be reduced to zero, the transient error may be unacceptably large. Therefore, feedforward signals for the reference and disturbance inputs are added to the feedback control ... favors fully digital control. Thus, the methods which allow digital implementation are preferred, even with some sacriﬁce in accuracy and dynamic performance. In particular, for low-performance applications with...

13
723
0

Báo cáo hóa học: " Research Article Adaptive Optimal Kernel Smooth-Windowed Wigner-Ville Distribution for Digital Communication Signa" pptx

Ngày tải lên : 22/06/2014, 01:20

17
282
0

Multiple Access Techniques for Wireless Communications ppsx

Ngày tải lên : 11/07/2014, 21:20

60
501
0

Multicarrier Techniques for 4G Mobile Communications

Ngày tải lên : 26/04/2013, 09:50

... information symbol at the kth subcarrier, and f (t)is the pulse waveform of the symbol. When the rectangular pulse waveform is used, f (t) is given by Multicarrier Techniques for 4G Mobile Communications Shinsuke ... Techniques for 4G Mobile Communications, Shinsuke Hara and Ramjee Prasad OFDM for Wireless Multimedia Communications, Richard van Nee and Ramjee Prasad Radio over Fiber Technologies for Mobile Communications ... Publication Data Hara, Shinsuke Multicarrier techniques for 4G mobile communications. — (Artech House universal personal communications series) 1. Mobile communication systems I. Title II. Prasad,...

259
499
0

techniques for adaptive control - vance vandoren

Ngày tải lên : 12/12/2013, 22:42

290
421
2

Tất cả

Tài liệu Multicarrier Techniques for 4G Mobile Communications P1 docx

Ngày tải lên : 20/01/2014, 23:20

... as its Fourier transform: D H ( ␵ ) = ͵ +∞ −∞ ␾ H (⌬t)e − j2 ␲␵ ⌬ t d⌬t (2.27) Multicarrier Techniques for 4G Mobile Communications Multicarrier Techniques for 4G Mobile Communications Shinsuke ... 1990s, such as Global Systems for Mobile Telecommunications (GSM) [1], Personal Digital Cellular (PDC) [2], and Interim Standard (IS)-95 [3], on digital technologies for voice-oriented traffic. ... techniques to recent applications aiming at the 4G systems. Therefore, we decided to write a book on multicarrier techniques for 4G mobile communications systems. xv 15 Characteristics of Multipath...

40
385
0

Tài liệu Multicarrier Techniques for 4G Mobile Communications P doc

Ngày tải lên : 20/01/2014, 23:20

... to: d ␵ =−f D sin ␪ d ␪ (2.31) therefore, finally, substituting (2.31) into (2.30), we obtain the Doppler power spectrum: Figure 2.6 Jakes’ model. 30 Multicarrier Techniques for 4G Mobile Communications f (t) ... rectangular pulse waveforms for subcarriers, the frequency spectra of the waveforms are widely spread and overlapped [see Figure 3.3(b)], although it can save the required bandwidth. Therefore, the concept ... written in a column vector form as S = [s (iT s + t spl ), ,s(iT s + qt spl ), ,s(iT s + N SC t spl )] T (3.8) = W − 1 (N SC )C i 28 Multicarrier Techniques for 4G Mobile Communications Figure 3.1...

10
358
0

Multimedia Security:: Steganography and Digital Watermarking Techniques for Protection of Intellectual Property doc

Ngày tải lên : 07/03/2014, 11:20

... system, digital watermarking for PCM audio, digital watermarking for wav-table synthesis audio, and digital watermarking for compressed audio. Based on the current technology used in digital ... and compressed video. Proceeding of the SPIE Digital Computing Tech- niques and Systems for Video Communication, 2952, (pp. 205-213). Digital Watermarking for Protection of Intellectual Property 17 Copyright ... solved before digital watermarking can be claimed to be the ultimate solution for copyright ownership protection in digital media. One of these problems is the effect of geometrical transformations...

268
467
0

adobe digital imaging how-tos 100 essential techniques for photoshop cs5, lightroom 3, and camera raw 6

Ngày tải lên : 30/05/2014, 23:16

... resize each thumbnail, and each has a slide-like border that supplies additional information and controls for manipulating that le (Figure 1b). The Grid view is discussed in Tip #12. The Lightroom ... appears, and ll in the values for the elds that will apply to all the images that will use the preset. As you enter the text for each item, the check box for that eld will be selected automatically. ... modular windows, and edit my raw photos. ptg DAN MOUGHAMIAN ADOBE ® DIGITAL IMAGING HOW - TOs 100 ESSENTIAL TECHNIQUES FOR PHOTOSHOP CS5, LIGHTROOM 3, AND CAMERA RAW 6 ptg 31 #13: Comparing...

289
1.2K
0

creative sequencing techniques for music production a practical guide to pro tools, logic, digital performer, and cubase

Ngày tải lên : 30/05/2014, 23:58

... keyboard controller. 111.3 The Music Equipment Table 1.2 (Continued) Controller no. Function Use 32–63 LSB for Control 0–31 These controllers allow you to have a ﬁner scale for the corresponding controllers ... Sound Controller 1 Usually associated with the way the synthesizer produces the sound. It can control, for example, the sample rate of a waveform in a wave table synthesizer 71 Sound Controller ... note 73 Sound Controller 4 Controls the attack stage of the VCA of a sound, allowing you to adjust the time that the wave form takes to reach its maximum amplitude 74 Sound Controller 5 Controls...

332
948
1

Báo cáo hóa học: " Editorial Advances in Error Control Coding Techniques" ppt

Ngày tải lên : 21/06/2014, 23:20

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2008, Article ID 574783, 3 pages doi:10.1155/2008/574783 Editorial Advances in Error Control Coding Techniques Yonghui Li, 1 Jinhong ... approach for enhancing decoder performance in presence of trapping sets by introducing a new concept called trapping set neutralization is proposed in the ﬁfth paper “New technique for improving performance ... and iterative decoding of LDPC codes over rings for phase-noisy channels,” by Karuppasami and Cowley, a design and decoding method for LDPC codes for channels with phase noise is proposed. The new...

3
220
0

Báo cáo hóa học: " Research Article An Iterative Soft Bit Error Rate Estimation of Any Digital Communication Systems Using a Nonparametric Probability Density Function" pptx

Ngày tải lên : 21/06/2014, 23:20

... used for estimating bit error rate (BER) of digital communication systems. The MC method is used when we cannot analytically compute the performance of communication system receivers. Unfortunately, ... consistent. References [1] M. C. Jeruchim, Techniques for estimating the bit error rate in the simulation of digital communication systems,” IEEE Journal on Selected Areas in Communications, vol. 2, no. 1, ... Conclusions In this paper, we have suggested a new iterative soft bit error rate estimation for the study of any digital communication system performance. This method is based on the use of nonparametric...