Download Phased-Array Radar Design - Application of Radar by Tom Jeffrey PDF

By Tom Jeffrey

This publication is a text-reference designed for electric engineering graduate scholars in addition to for company in-house education courses for radar layout engineers, in particular structures engineers and analysts who wish to achieve hands-on, sensible wisdom and abilities in radar layout basics, complicated radar strategies, trade-offs for radar layout and radar functionality research. it is a concise but entire remedy of the connection among mission-level specifications and particular and software program necessities and services. It covers all levels of layout and improvement, together with the advance of preliminary recommendations and total method standards, process structure, and software program subsystem requisites, unique algorithms and method integration and try. instead of being a idea and derivations-type, this e-book is applications-oriented making it assorted from different released works in this topic.

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Two basic classes of waveforms, with different matched filter (MF) processors, are: • Moving target indicator (MTI) waveforms and processing (cancellers) • Pulse-Doppler (PD) waveforms and processing (Doppler filter banks). Clutter discriminants are features that allow separation of targets from clutter returns. Candidate clutter discriminants include: • Elevation • Velocity • Polarization • Carrier frequency sensitivity • Azimuth angle sensitivity • Signal bandwidth Each of these is discussed next.

AN}, {B1, B2, ... , BN}) • Swerling I & III assume Set of A amplitudes have identical value, and Set of B amplitudes have identical value: A1 = A2 = ... = AN and B1 = B2 = ... , and B1 not equal to B2, etc. , scan-to-scan, search frame-to-frame). , pulse-to-pulse). ). 4 TARGET DETECTION IN CLUTTER The previous section discussed target detection in thermal noise. In this section the effects of backscatter from natural and man-made objects will be modeled as Target Detection 41 an augmentation to a thermal noise background.

36). , Swerling I), the integral has a closed-form solution: PD = (P ) FA 1 1 + SNR . 39) 22 Chapter 1 Equivalently, for a Swerling I target fluctuation (slow fluctuation—scan-to-scan), the required SNR is given by: SNR REQ = n PFA − 1. 36) that do not have a closed-form solution, numerical integration can be used to evaluate PD. PD has been evaluated for many target models and is documented in texts such as references [6] and [7]. 38) is function of two parameters, PFA and σ2. 2. The noise power, σ2, is established by the receiver noise figure or system noise temperature (Ts) that appears in the denominator of the expression for the RRE.

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