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Sunday, August 2, 2020 | History

1 edition of Radar Target Imaging Using Time-Reversed Processing found in the catalog.

Radar Target Imaging Using Time-Reversed Processing

Radar Target Imaging Using Time-Reversed Processing

  • 87 Want to read
  • 6 Currently reading

Published by Storming Media .
Written in English

    Subjects:
  • TEC033000

  • The Physical Object
    FormatSpiral-bound
    ID Numbers
    Open LibraryOL11847042M
    ISBN 101423526147
    ISBN 109781423526148

    Target Detection Techniques of LFM Radar / Target Detection Techniques of SFM Radar / 6 Basics of Radar Imaging Background / Geometry of Imaging Radar / Doppler Frequency and Radar Image Processing / Broadside SAR / SAR with Squint Angle / SAR with a Small Squint. Considering the situation right now, I adjust the teaching strategy, and move forward the proposal writing session before the lectures with SAR image processing and analysis methods. We will focus on reading papers and writing proposal for the first month (6 weeks) of our course.

    Interpreting Digital Radar Images Aircraft-mounted imaging radar systems have been in use for several decades. Early systems processed the recorded data to create an image on film, but modern systems record and process radar image data in digital form. With the launch of commercial radar imaging satellites dur-ing the past two decades (Canada’s. Publication Topics synthetic aperture radar,Fourier transforms,geophysical signal processing,geophysical techniques,image denoising,image motion analysis,image restoration,interference (signal),notch filters,radar imaging,remote sensing by radar,target tracking.

    An authoritative work on Synthetic Aperture Radar system engineering, with key focus on high resolution imaging, moving target indication, and system engineering technology Synthetic Aperture Radar (SAR) is a powerful microwave remote sensing technique that is used to create high resolution two or three-dimensional representations of objects, such as landscapes, independent of weather 5/5(1).   • Show examples of common processing of multiple channel radar data into image and moving target products – Long coherent dwell (e.g., 2 to 3 seconds) – Subdivision of dwell into short coherent processing intervals (e.g., 10 CPIs each seconds duration) • Data observations and .


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Radar Target Imaging Using Time-Reversed Processing Download PDF EPUB FB2

Radar Target Imaging Using Time-Reversed Processing [Yosuke Inaba] on *FREE* shipping on qualifying offers. This Radar Target Imaging Using Time-Reversed Processing book a NAVAL POSTGRADUATE SCHOOL MONTEREY CA report procured by the Pentagon and made available for public release.

It has been reproduced in the best form available to the Pentagon. It is not spiral-bound. Download Citation | Radar Target Imaging Using Time-Reversed Processing | This thesis investigates and demonstrates the workability of the time-reversed process for radar imaging applications.

BibTeX @MISC{Inaba01radartarget, author = {Yosuke Inaba and Michael A. Morgan and David C. Jenn and Yosuke Inaba}, title = {Radar Target Imaging Using Time-Reversed Processing}, year = {}}. Radar imaging, as understood here, involves target recognition, i.e. the determination of the detailed properties of an object (size, shape, structure and composition, and also location and speed) from radar echoes returned by it.

Advanced approaches are required for this, and several of recent interest are discussed in this book. Time reversal techniques using microwave measurements have proved to be promising for radar detection and defect imaging in nondestructive evaluation of dielectric samples.

automated target recognition and to aid image analysts in identifying targets in dense multipath. We developed the TR-SAR algorithm in [4] for target fo-cusing and ghost image removal. We show in [4], how, from a rough estimate of the target location obtained from a con-ventional SAR image and using time reversal, TR-SAR fo.

Through courses taught internally at the Institute for Defense Analysis, Dr. Roger Sullivan has devised a book that brings readers fully up to speed on the most essential quantitative aspects of general radar in order to introduce study of the most exciting and relevant applications to radar imaging and advanced concepts: Synthetic Aperture Radar (4 chapters), Space-time Adaptive Processing.

This paper presents detection and imaging capabilities of a simple time-reversal focusing algorithm, applied to experimental data that are obtained under various radar scene configurations (single- or multiple-target in free-space or through-the-wall).

Data are collected with the ultra-wideband surface penetrating radar SIMIS (synthetic-impulse microwave imaging system, designed in LEAT) which. Simultaneously, sonar technology has also been used for dozens of decades, at the beginning only for military solutions but, today, using 3D versions, it is used for many underwater tasks, such as underwater surface imaging, target detections, and tracking, among others.

The paper studies detection of a target buried in a rich scattering medium by time reversal. We use a multi-static configuration with receive and transmit arrays of antennas. In time reversal, the backscattered field is recorded, time reversed, and retransmitted (mathematically or physically) into the same scattering medium.

This unique resource introduces a new image formation algorithm based on time-frequency-transforms, showing its advantage over the more conventional Fourier-based image formation.

Referenced with over equations and 80 illustrations, the book presents new algorithms that help improve the result of radar imaging and signal processing.5/5(1). 1 Target parameter estimation and array features + Show details-Hide details p. 7 –98 (92) The primary objective of this chapter is to introduce the basic array signal processing methods.

If such methods are to be implemented in a radar one has to take into account the particular interrelationships of the different radar processing blocks and one has to adapt the related processing.

Through-the-wall radar imaging (TWRI) beyond a single wall is a growing area of study. A novel near-field time-reversal match filter deconvolution procedure was proposed to improve imaging behind complex periodic walls. Promising results with improved target resolution were shown.

Future work will leverage such technique to tolerate errors in wall parameters leading to an autofocus approach. The book explores radar target detection and pulse integration, emphasizing the constant false alarm rate.

It also covers the stretch processor, the moving target indicator, radar Doppler processing, beamforming, and adaptive array processing.

Using configurable MATLAB code, this book demonstrates how to apply signal processing to radar. In recent years, the performances of radar resolution, coverage, and detection accuracy have been significantly improved through the use of ultra-wideband, synthetic aperture and digital signal processing technologies.

High-resolution radars (HRRs) utilize wideband signals and synthetic apertures to enhance the range and angular resolutions of tracking, respectively. More specifically, in the field of radar systems, TR has been applied to array imaging, target detection, multiple-input multiple-output (MIMO) radar, target classification, etc.

In the field of detection and imaging, time reversal is applied in HF radar to achieve angle estimation of the lightning source in [26]. The processing of radar images, in general, consists of three major fields: Digital Signal Processing (DSP); antenna and radar operation; and algorithms used to process the radar images.

This book brings together material from these different areas to allow readers to gain a thorough understanding of how radar images are processed. Time Reversal Signal Processing has three main uses: creating an optimal carrier signal for communication, reconstructing a source event, and focusing high-energy waves to a point in space.

A Time Reversal Mirror (TRM) is a device that can focus waves using the time reversal method. TRMs are also known as time reversal mirror arrays since they are usually arrays of transducers.

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract — This paper presents detection and imaging capabilities of a simple time-reversal focusing algorithm, applied to experimental data that are obtained under various radar scene configurations (single- or multiple-target in free-space or through-the-wall).

Nonlinear radar exploits the difference in frequency between radar waves that illuminate and are reflected from electromagnetically nonlinear targets. Harmonic radar is a special type of nonlinear radar that transmits one or multiple frequencies and listens for frequencies at or near their harmonics.

Nonlinear radar differs from traditional linear radar by offering high clutter rejection and. Radar imaging is a technique that uses radar pulses to extrapolate an image, picture, or video of an object, rather than just its position or direction of movement.

This is typically accomplished through radar image processing, which is a computationally intense activity that uses algorithms to form images from radar pulse backscatter.DOI: /MWSYM Corpus ID: Synthetic Aperture Radar Ghost Image Cancellation Using Broadband Time Reversal Averaging Techniques @article{JiangSyntheticAR, title={Synthetic Aperture Radar Ghost Image Cancellation Using Broadband Time Reversal Averaging Techniques}, author={Yi Heng Jiang and Jian-Gang Zhu and D.

D. Stancil}, journal={ IEEE/MTT. "This book provides readers with a comprehensive and complete description of synthetic aperture radar principle. Its unique feature of full-blown SAR image simulations and modeling, including sensor and target location, targets geometric and radiometric scattering characteristics, and clutters from system and environment, distinguishes this book from other SAR processing books.