For use as hydrophones, projectors and underwater microphones, there is always a need for calibrated sensors. Overview of multi path and effect of reflection on acoustic sound signals due to various objects is required prior to finding applications for different materials as sonar domes, etc. There is also a need to overview multi sensor array processing for many applications like finding direction of arrival and beam forming. Real time data acquisition is also a must for such applications.

[1] C.H. Cheng, “Signal Processing for Optical Communication,” IEEE Signal Processing Magazine, vol. 23, no. 1, pp. 88-96, 2006.
[2] G. Keiser, “Optical Fiber Communication,” McGraw- Hill International series, Third Edition, 2000.
[3] C.D. Poole, J.M. Wiesenfeld, D.J. DiGiovanni, A.M. Vengsarkar, “Optical fiber-based dispersion compensation using higher order modes near cutoff,” Journal of Lightwave Technology, vol. 12, no. 10, pp. 1746-1758, 1994.
[4] N.M. litchinitser, D.B. Patterson, “Analysis of Fiber Bragg Gratings for Dispersion Compensation in Reflective and Transmissive Geometries,” Journal of Lightwave Technology, vol. 15, no. 8, pp. 1303-1313, 1997.
[5] D. Pastor, J. Capmany, D. Ortega, V. Tatay, and J. Marti, “Design of Apodized Linearly Chirped Fiber Gratings for Dispersion Compensation,” Journal of Lightwave Technology, vol. 14, no. 11, pp. 2581– 2588, 1996.
[6] P.M. Watts, V. Mikhailov, S. Savory, P. Bayvel, M. Glick, M. Lobel, B. Christinsin, P. Krikpatrick, S. Shange, and R.I. Killey, “Performance of Single-Mode Fibers Links using Electronic Feed-Forward and Decision Feedback Equalizers,” IEEE Photonics Technology Letter, vol. 17, no. 10, pp. 2206-2208,2005
[7] S. Cao, J. Chen, J.N. Damask, C.R. Doerr, L. Guiziou, G. Harvey, Y. Hibino, H.Li, S. Suzuki, K.Y. Wu, and P. Xie, “Interleaver Technology: Comparisons and Applications Requirements,” Journal of Lightwave Technology, vol. 22, no. 1, pp. 281-289, 2004.
[8] S.K. Mitra, K. Hirano, “Digital All Pass Filters,” IEEE transaction circuits and systems, vol. CAS 21, no. 9, pp. 688-700, 1974.

@article{vaibhav03031001,
title = " An Overview of Array Signal Processing and Beam Forming Techniques ",
journal = "International Journal of Science and Engineering Applications (IJSEA)",
volume = "3",
number = "3",
pages = "36 - 38",
year = "2014",
author = " Vaibhav, Shiv Sunder Lokesh, Abinet Tesfaye, Tasew Ababe ",
}