Results 81 to 90 of about 27,297 (251)

Synthetic aperture radar target simulator [PDF]

open access: yes, 1984
A simulator for simulating the radar return, or echo, from a target seen by a SAR antenna mounted on a platform moving with respect to the target is described.
Bickler, T. C.   +3 more
core   +1 more source

A Network of Portable, Low-Cost, X-Band Radars [PDF]

open access: yes, 2012
Radar is a unique tool to get an overview on the weather situation, given its high spatio- temporal resolution. Over 60 years, researchers have been investigating ways for obtaining the best use of radar.
Allegretti, Marco   +7 more
core   +2 more sources

Improving range resolution with a frequency-hopping technique [PDF]

open access: yes
Range resolution of a conventional pulsed Doppler radar is determined by the scattering volume defined by the transmitted pulse shape. To increase the resolution, the length of the pulse must be reduced.
Bowhill, S. A., Stitt, G. R.
core   +1 more source

Velocity Dealiased Spectral Estimators of Range Migrating Targets using a Single Low-PRF Wideband Waveform [PDF]

open access: yes, 2013
Wideband radars are promising systems that may provide numerous advantages, like simultaneous detection of slow and fast moving targets, high range-velocity resolution classification, and electronic countermeasures.
Besson, Olivier   +3 more
core   +3 more sources

Three-step ground moving target detection method for bistatic forward-looking SAR

open access: yesThe Journal of Engineering, 2019
Detecting ground moving target in bistatic forward-looking synthetic aperture radar (BFSAR) has become increasingly important in military and civil field. Compared with pulse Doppler radar, the long observation time and high resolution of BFSAR will lead
Zhutian Liu   +5 more
doaj   +1 more source

C-band radar pulse Doppler error: Its discovery, modeling, and elimination [PDF]

open access: yes
The discovery of a C Band radar pulse Doppler error is discussed and use of the GEOS 3 satellite's coherent transponder to isolate the error source is described. An analysis of the pulse Doppler tracking loop is presented and a mathematical model for the
Dempsey, D. J., Krabill, W. B.
core   +1 more source

Multibeam single frequency synthetic aperture radar processor for imaging separate range swaths [PDF]

open access: yes, 1982
A single-frequency multibeam synthetic aperture radar for large swath imaging is disclosed. Each beam illuminates a separate ""footprint'' (i.e., range and azimuth interval).
Jain, A.
core   +1 more source

Micro-Doppler Signal Time-Frequency Algorithm Based on STFRFT

open access: yesSensors, 2016
This paper proposes a time-frequency algorithm based on short-time fractional order Fourier transformation (STFRFT) for identification of a complicated movement targets. This algorithm, consisting of a STFRFT order-changing and quick selection method, is
Cunsuo Pang   +4 more
doaj   +1 more source

Performance Tradeoffs of Joint Radar-Communication Networks [PDF]

open access: yesarXiv, 2018
This letter considers a network where nodes share a wireless channel to work in turn as pulse radars for target detection and as transmitters for data exchange. Radar detection range and network throughput are studied using stochastic geometry tools.
arxiv  

Empirical Comparison of Chirp and Multitones on Experimental UWB Software Defined Radar Prototype [PDF]

open access: yes, 2012
This paper proposes and tests an approach for an unbiased study of radar waveforms' performances. Using the ultrawide band software defined radar prototype, the performances of Chirp and Multitones are compared in range profile and detection range.
Denoulet, J.   +3 more
core  

Home - About - Disclaimer - Privacy