Data Fusion of Passive Radar Seeker Based on Arithmetic Equalizing Value and Recursive Estimate
- Zhang Chun
- 2003
Engineering, Computer Science
The characteristic of environmental signal flow and the necessity of rejecting asynchronous radar signal, and a kind of algorithm used to reject asynchronous radar pulse signal in wave gate are analyzed.
Synthetic aperture sonar imaging and its developments
- Zhang Chun
- 2006
Physics, Engineering
The principle, difficulties and imaging algorithms of SAS are discussed, with special emphasis on ways to achieve high resolution, the influence of underwater acoustic channels on imaging, multi sub-array techniques and corresponding imaging algorithms, stable motion platforms and motion sensors, and motion compensation and autofocusing.
STUDY OF CRYSTAL OPTICAL CHARACTER BY USE OF FRESNEL WAVE RAY EQUATION
- Zhang Chun
- 2003
Physics
The Fresnel wave ray equation is deduced by use of the fundamental equations of crystal optics.The crystal optics question is solved by Fresnel wave ray equation cooperating with Maxwell equation.
A LOCALIZED A. C. IMPEDANCE SCANNING TECHNIQUE AND STUDY OF METALLIC GALVANIC CORROSION
- Zhang ChunXu ChuanbiProtection Branch
- 10 October 2009
Materials Science, Engineering
Analysis of the performances of the monopulse feeding system influenced by the antenna coupling
- Zhang ChunLiang Chang-hongXie Jun-wei
- 5 May 2012
Engineering, Physics
Based on the network theory, the equivalent parameters of a comparator cascaded with a two elements array in the single-axle monopulse radar are obtained. The influence of the reflection and coupling…
Ground penetrating radar synthetic aperture imaging based on stolt migration
- Zhang Chun
- 2004
Engineering, Physics
Synthetic aperture processing for ground penetrating radar data can improve resolution of radar image, and increases locating accuracy of buried objects. This paper presented a new stolt migration…
The latest developments of technique of interference imaging spectrometer
- Zhang Chun
- 2000
Physics, Engineering
The development of imaging spectrometers is reviewed. Recent priciples,techniques and developments of spatial modulation interference imaging spectrometer are summarized. The principle of…