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Proceedings ArticleDOI

Half-Fourier transform and application to radar signals

Vijay Kumar Jain, +2 more
- Vol. 11, pp 241-244
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TLDR
It is shown that this transform enables separation of the desired part from the specular impulsive components and the effectiveness of this technique and the computer program developed, is demonstrated.
Abstract: 
In this paper we discuss the Half Fourier Transform (HFT) and explore its application to radar-return signals with specular components It is shown that this transform enables separation of the desired part from the specular impulsive components The effectiveness of this technique and the computer program developed, is demonstrated by simulation examples Our program uses an optimization package which performs minimization of a nonlinear sum-of-squares functional with a model trust region strategy

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References
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Journal ArticleDOI

The Fractional Order Fourier Transform and its Application to Quantum Mechanics

Victor Namias
- 01 Mar 1980 - 
TL;DR: In this article, a generalized operational calculus is developed, paralleling the familiar one for the ordinary transform, which provides a convenient technique for solving certain classes of ordinary and partial differential equations which arise in quantum mechanics from classical quadratic hamiltonians.
Journal ArticleDOI

An Adaptive Nonlinear Least-Squares Algorithm

John E. Dennis, +1 more
- 01 Sep 1981 - 
TL;DR: NL2SOL is a modular program for solving nonlinear least-squares problems that incorporate a number of novel features and maintains a secant approximation S to the second-order part of the least-Squares Hessian and adaptively decides when to use this approximation.
Journal ArticleDOI

A discussion of various approaches to the identification/approximation problem

Tapan K. Sarkar, +3 more
- 01 Jan 1982 - 
TL;DR: In this article, the identification/approximation of a linear system by poles and residues from a measured finite length input-output record of the system is discussed, and it is shown that several different formulations for characterizing the impulse response of a system yield the same set of poles.
Proceedings Article

An Efficient Method For Creating Multi-Pulse Excitation Sequences.

Vijay K. Jain, +1 more