Two-Dimensional Imaging via a Narrowband MIMO Radar System With Two Perpendicular Linear Arrays

This paper presents a system model and method for the 2-D imaging application via a narrowband multiple-input multiple-output (MIMO) radar system with two perpendicular linear arrays. Furthermore, the imaging formulation for our method is developed through a Fourier integral processing, and the para...

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Vydáno v:IEEE transactions on image processing Ročník 19; číslo 5; s. 1269 - 1279
Hlavní autoři: WANG, Dang-Wei, MA, Xiao-Yan, YI SU
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York, NY IEEE 01.05.2010
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Antenna arrays
Applied sciences
Echoes
Equipment Design
Equipment Failure Analysis
Exact sciences and technology
Illumination
Image Enhancement - methods
Image Interpretation, Computer-Assisted - instrumentation
Image Interpretation, Computer-Assisted - methods
Image processing
Imaging
Information, signal and communications theory
Inverse synthetic aperture radar (ISAR)
Lighting
Linear antenna arrays
Linear arrays
Mathematical models
MIMO
Miscellaneous
multiple-input multiple-output (MIMO)
Narrowband
Radar
Radar - instrumentation
Radar antennas
Radar applications
Radar imaging
Radar scattering
Radar systems
Reproducibility of Results
Sampling
Sampling methods
Sampling, quantization
Sensitivity and Specificity
Signal and communications theory
Signal processing
Studies
Telecommunications and information theory
Transducers
MIMO system
Two dimensional model
multiple-input multiple-output (MIMO)
Narrow band
Imaging
Radar imaging
Test method
Signal processing
Inverse synthetic aperture radar (ISAR)
Numerical simulation
Motion compensation
Processing parameter
Linear antenna arrays
Sampling
Antenna array
Synthetic aperture radar
ISSN:1057-7149, 1941-0042, 1941-0042
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Popis
Shrnutí:This paper presents a system model and method for the 2-D imaging application via a narrowband multiple-input multiple-output (MIMO) radar system with two perpendicular linear arrays. Furthermore, the imaging formulation for our method is developed through a Fourier integral processing, and the parameters of antenna array including the cross-range resolution, required size, and sampling interval are also examined. Different from the spatial sequential procedure sampling the scattered echoes during multiple snapshot illuminations in inverse synthetic aperture radar (ISAR) imaging, the proposed method utilizes a spatial parallel procedure to sample the scattered echoes during a single snapshot illumination. Consequently, the complex motion compensation in ISAR imaging can be avoided. Moreover, in our array configuration, multiple narrowband spectrum-shared waveforms coded with orthogonal polyphase sequences are employed. The mainlobes of the compressed echoes from the different filter band could be located in the same range bin, and thus, the range alignment in classical ISAR imaging is not necessary. Numerical simulations based on synthetic data are provided for testing our proposed method.
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ISSN:1057-7149
1941-0042
1941-0042
DOI:10.1109/TIP.2009.2039374