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Ground synthetic aperture radar imaging system of data acquisition and control circuit design

Author: GaoCe
Tutor: ShengWeiXing
School: Nanjing University of Technology and Engineering
Course: Communication and Information System
Keywords: Synthetic Aperture Radar Microwave imaging High - speed digital signal processing FPGA Ethernet
CLC: TN958
Type: Master's thesis
Year: 2012
Downloads: 23
Quote: 0
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Abstract


Synthetic aperture radar (Synthetic Aperture Radar, SAR) is a small real aperture antenna signal processing technology to form an equivalent antenna to achieve the high-resolution radar imaging system . Detect camouflaged target in the electromagnetic environment camouflage application background , expand the development of a ground synthetic aperture radar imaging system , designed and developed a set of ground SAR imaging system . The main job of the aspects of research : ( 1 ) design and the successful development of a set suitable for the ground SAR imaging radar camouflage effect detection system , the transceiver antenna in the X-band continuous wave frequency stepping system distance high resolution, orientation of high-resolution moving in a high-precision rail . ( 2 ) the completion of the imaging system radar signal acquisition and control circuit schematic design and PCB drawing design and drawing . Interface hardware circuit system debugging and verification by actual test results to prove the correctness of the hardware circuit design . ( 3) for the imaging system pulse frequency stepping and continuous-wave frequency stepping two working modes , respectively, to write a comprehensive set of circuit function program , program correctness and reliability is verified by experiment . ( 4) completed the ground SAR imaging system linked to reconcile the field experiments , tested and compensation of leakage between the transmitting and receiving antennas , the distance like a one-dimensional and two-dimensional image of the target imaging experiment , the actual imaging results prove the correctness of the imaging system .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radar > Radar: institutional sub-
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