Engineering and Technology Journal

Keywords = FFT

Number of Articles: 3
Comparison of FFT-Based and DCT-Based Channel Estimation and ECC for OFDM System
Comparison of FFT-Based and DCT-Based Channel Estimation and ECC for OFDM System

Awatif Ali Jafaar

Volume 33, 3A , April 2015, , Page 682-693

https://doi.org/10.30684/etj.33.3A.13

Abstract
  Orthogonal Frequency Division Multiplexing (OFDM) has become a popular modulation method for high data rate wireless communications. In this paper, two schemes are proposed. In the ...  Read More ...
Watermarking in WAV Files Bases on Phase Coding
Watermarking in WAV Files Bases on Phase Coding

Salah S. Alrawi; Rasheed Abdulshaheed; Akeel A. Alhadithy

Volume 29, Issue 4 , March 2011, , Page 770-780

https://doi.org/10.30684/ etj.29.4.11

Abstract
  The growth of the network multimedia open the illegal ways for users to use the digital media without any hindrance or control. This state created, the need for the copyright protection ...  Read More ...
Spectral Eigenface Representation for Human Identification
Spectral Eigenface Representation for Human Identification

Hanaa M. Salman

Volume 28, Issue 19 , September 2010, , Page 5960-5972

https://doi.org/10.30684/etj.28.19.13

Abstract
  Human identification based on face images, as physical biometric means, plays animperative role in many applications area. The methods for human identification usingface image uses ...  Read More ...