• No results found

synthetic antenna aperture radar

Monostatic Airborne Synthetic Aperture Radar Using Commercial WiMAX Transceivers In the License-exempt Spectrum

Monostatic Airborne Synthetic Aperture Radar Using Commercial WiMAX Transceivers In the License-exempt Spectrum

... Synthetic aperture radar (SAR), working in microwave spectrum, plays an increasingly vital role in remote sensing field due to its outstanding feature of forming high-resolution images independent of ...

131

MONITORING TROPICAL FORESTS USING SYNTHETIC APERTURE RADAR

MONITORING TROPICAL FORESTS USING SYNTHETIC APERTURE RADAR

... polarimetric radar system is shown in Figure 2 ...polarised antenna with the horizontally polarised part of the reflection measured by a second, horizontally polarised, ...

18

Array Signal Processing for Synthetic Aperture Radar (SAR)

Array Signal Processing for Synthetic Aperture Radar (SAR)

... In Figure 2.3, The target is a hypothetical point on the Earth’s surface. The SAR systems actually images an area, but this point target is used more easily to develop SAR theories [50]. The radar beam is viewed ...

114

A Study on the Approaches and Algorithms for Classification of Synthetic Aperture Radar

A Study on the Approaches and Algorithms for Classification of Synthetic Aperture Radar

... Nowadays, radar evaluation images are among the newest data in studying land cover, land use, and urban ...in radar imaging microwave zone is used and the microwave transmitting antenna is the ...

8

The Object Detection Efficiency in Synthetic Aperture Radar Systems

The Object Detection Efficiency in Synthetic Aperture Radar Systems

... 375; antenna gain is designated as G, and here we take 𝐺 = 40 𝑑𝐵; the pulse-compression ratio (that describes increasing SAR energy potential due to the chirped pulse compression) is B, and 𝐵 = 1000; the bandwidth ...

7

Hurricane Monitoring With Spaceborne Synthetic Aperture Radar

Hurricane Monitoring With Spaceborne Synthetic Aperture Radar

... active radar antenna, TS-X is able to produce image data with a resolution down to one meter, independent of weather conditions and ...the radar beam can be electronically tilted within a range of ...

20

Phase Statistical Model and Correction in Imagery of Ground Based Synthetic Aperture Radar (GBSAR) for Land Deformation Monitoring

Phase Statistical Model and Correction in Imagery of Ground Based Synthetic Aperture Radar (GBSAR) for Land Deformation Monitoring

... In order to acquire more stable and fine resolution linear movement, a high-precision linear scanning platform has been developed. A CAD drawing of the linear guide system is shown in Fig. 2(a). It consists of a scanning ...

12

Synthetic Aperture Radar (SAR) Signal Generation

Synthetic Aperture Radar (SAR) Signal Generation

... Early radar systems transmitted a strong pulse of RF energy after which it displayed reflections of the pulse on the familiar circular display screen, the scanning beam of which matched the angle of the rotating ...

22

Synthetic Aperture Radar (SAR) ImagesProcessing: A Review

Synthetic Aperture Radar (SAR) ImagesProcessing: A Review

... The Synthetic Aperture Radar (SAR) is convenient for giving information about earth’s surface by using the respective motion between antenna and its target ...

6

An efficient and accurate GB-SAR imaging algorithm based on the fractional Fourier transform

An efficient and accurate GB-SAR imaging algorithm based on the fractional Fourier transform

... any radar systems that could form as a physical or synthetic linear ...linear antenna aperture, it is clearly shown that the azimuth phase mecha- nism could be realized as a quadratic phase ...

9

Development of Circularly Polarized Array Antenna for Synthetic Aperture Radar Sensor Installed on UAV

Development of Circularly Polarized Array Antenna for Synthetic Aperture Radar Sensor Installed on UAV

... In the simulation, on the other hand, the value is 11 MHz, or around 0.87% of the operation frequency. The minimum axial ratio of the measured data is around 1.13 dB, exhibiting a difference of around 0.6 dB as compared ...

15

Wavefront Reconstruction of Elevation Circular Synthetic Aperture Radar Imagery Using a Cylindrical Green's Function

Wavefront Reconstruction of Elevation Circular Synthetic Aperture Radar Imagery Using a Cylindrical Green's Function

... 1951, Synthetic Aperture Radar (SAR) has been used for a wide variety of applications, from military reconnaissance to agricultural imaging to only name two examples ...other radar imaging ...

12

An Optimal Antenna Pattern Synthesis for Active Phased Array SAR Based on Particle Swarm Optimization and Adaptive Weighting Factor

An Optimal Antenna Pattern Synthesis for Active Phased Array SAR Based on Particle Swarm Optimization and Adaptive Weighting Factor

... optimal antenna pattern synthesis technique for active phased array synthetic aperture radar has been utilized to meet the best performances based on particle swarm optimization and adaptively ...

14

Title: A Review on Compressive Sensing in Synthetic Aperture Radar (SAR)

Title: A Review on Compressive Sensing in Synthetic Aperture Radar (SAR)

... Many more applications would be cost-effective with a low-cost instrument. To address this need, TNO is developing a miniature; lightweight, low-cost, scalable SAR/MTI system called ‘Mini-SAR’. The system will be based ...

7

Modified Multilook Cross Correlation (Mlcc) Algorithm for Doppler Centroid Estimation in Synthetic Aperture Radar Signal Processing

Modified Multilook Cross Correlation (Mlcc) Algorithm for Doppler Centroid Estimation in Synthetic Aperture Radar Signal Processing

... The antenna, which is mounted on the moving platform, acquires the return echoes from different locations along the flight direction, and the combination of the data is performed in the complex signal processing ...

11

Noise Removal Technique in Near-Field Millimeter-Wave Cylindrical Scanning Imaging System

Noise Removal Technique in Near-Field Millimeter-Wave Cylindrical Scanning Imaging System

... cylindrical synthetic aperture radar (CSAR) technology [1], which scans the surface of human body through high speed ...The radar transceiver transmits the broadband signal to provide high ...

7

Synthetic Aperture RADAR (SAR) Implemented by Strip Map Algorithm

Synthetic Aperture RADAR (SAR) Implemented by Strip Map Algorithm

... Synthetic Aperture is when a narrow pulse in range is created (or ...This radar is capable of automatic searching, single- target tracking, and real beam ground ...pulsed radar consists of ...

8

Design and Development of a Dual Operating Mode Microstrip Patch Antenna for Unmanned Aerial Vehicle Synthetic Aperture Radar

Design and Development of a Dual Operating Mode Microstrip Patch Antenna for Unmanned Aerial Vehicle Synthetic Aperture Radar

... patch antenna has been designed and developed for Unmanned Aerial Vehicle based Synthetic Aperture Radar ...This antenna operates in C-Band at the frequency of ...the antenna ...

14

A New Factorized Backprojection Algorithm for Stripmap Synthetic Aperture Radar

A New Factorized Backprojection Algorithm for Stripmap Synthetic Aperture Radar

... Initially, each subaperture corresponds to the actual antenna positions for each collected pulse, but in later steps it corresponds to the combination of two or more adjacent antenna positions. We divide ...

15

Bistatic synthetic aperture radar processing

Bistatic synthetic aperture radar processing

... The stationary receiver experiments conducted at the University of Siegen using the HITCHHIKER stationary receiver system with the TerraSAR-X satellite, operating in sliding spotlight mode. In sliding spotlight mode, the ...

129

Show all 10000 documents...

Related subjects