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Your search keyword '"Qin, Shiqiao"' showing total 30 results
Start Over Author "Qin, Shiqiao" Publisher shanghai institute of optics and fine mechanics
30 results on '"Qin, Shiqiao"'

1. Research on simulation of dynamic laser guided signals based on two-order response system’s models

Author

秦石乔 Qin Shiqiao, 黄成功 Huang Chenggong, 李华 Li Hua, and 魏文俭 Wei Wenjian

Subjects
Facula, Computer science, business.industry, Gauss, Laser, Atomic and Molecular Physics, and Optics, law.invention, Dynamic simulation, Colored, law, Position (vector), Computer vision, Artificial intelligence, Diffuse reflection, business, Energy (signal processing)
Abstract

The process analysis of the two-order dynamic response of Laser Target Designators(LTD) and the aiming errors are introduced in the Air-borne platform LTD random position jittering simulation.The Gauss white noises and the filtered colored noises are used to simulate the dynamic statistical characters of LTD jittering facula's time-response position and diffuse reflected energy under the simplified model of targets,together with the test results of the two different kinds of materials.The analysis shows that the dynamic diffuse reflected energy is related to the movement between platform and targets,the target's surface diffuse reflection characters and surface reflection characters.The method and the results can be used in the dynamic simulation of LTD signals' atmosphere propagation and detection.

Published
2012

3. Frequency Domain Analysis of Small Angle Measurement with Moire Fringe

Author

方靖岳 Fang Jing-yue, 王省书 Wang Xingshu, 郑佳兴 Zheng Jiaxing, 黄宗升 Huang Zong-sheng, and 秦石乔 Qin Shiqiao

Subjects
Physics, Optics, business.industry, Frequency domain, Moiré pattern, business, Atomic and Molecular Physics, and Optics
Published
2010

4. Design of matched filter for target recognition in cloud background

Author

Wang Xingshu, Qin Shiqiao, Wu Wei, and zhou jinpeng

Subjects
Computer science, business.industry, Matched filter, Spectral density, Pattern recognition, White noise, Atomic and Molecular Physics, and Optics, Filter design, Filter (video), Curve fitting, Clutter, Artificial intelligence, Electrical and Electronic Engineering, business, Energy (signal processing)
Abstract

An improved matched filter design method based on the maximum average correlation height(MACH) principle is proposed to recognize the targets in cloud backgrounds. In the process of MACH filter design, a theoretical model of power spectrum density(PSD) is established by curve fitting after statistically analyzing the real cloud backgrounds’ PSD distribution to replace the traditional white noise model. Various features of flight targets are extracted and processed by threshold to get the training set images. Correlation results of targets in various cloud backgrounds show that the average peak to correlation energy ratio is 0.71%, and the peak to clutter ratio is 0.92 of improved matched filter, the cloud backgrounds are well restrained, and the filter is also distortion-invariant to feat

Published
2010

5. Optical Communication Antenna Based on Fresnel Zone Plate

Author

常胜利 Chang Shengli, 秦石乔 Qin Shiqiao, 方靖岳 Fang Jing-yue, and 张海良 Zhang Hailiang

Subjects
Physics, Fresnel zone, business.industry, Fresnel zone antenna, Optical communication, Zone plate, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention, Optics, law, Fresnel number, Antenna (radio), business
Published
2010

6. Precise Measurement of Rate Biased Laser Gyro Scale Factor

Author

魏文俭 Wei Wenjian, 王省书 Wang Xingshu, 战德军 Zhan Dejun, and 秦石乔 Qin Shiqiao

Subjects
Physics, Optics, business.industry, Ring laser gyroscope, Electrical and Electronic Engineering, Scale factor, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2010

7. Harmonic Measurement for Laser Gyro Lock-in

Author

张宝东 Zhang Baodong, 秦石乔 Qin Shiqiao, 王省书 Wang Xingshu, 战德军 Zhan Dejun, and 魏文俭 Wei Wenjian

Subjects
Physics, Optics, business.industry, Ring laser gyroscope, Harmonic, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2009

9. Investigations on Forward-Reversal Rotation Asymmetry of Rate Biased Laser Gyro Scale Factor

Author

秦石乔 Qin Shiqiao, 战德军 Zhan Dejun, 王省书 Wang Shengshu, and 魏文俭 Wei Wenjian

Subjects
Physics, Optics, business.industry, media_common.quotation_subject, Ring laser gyroscope, Electrical and Electronic Engineering, Scale factor, business, Rotation, Asymmetry, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, media_common
Published
2009

25. Three-Dimensional Imaging Lidar Signal Denoising Method Based on Empirical Mode Decomposition

Author

Hu Chunsheng, Wu Wei, Wang Xingshu, Qin Shiqiao, and Jiao Hongwei

Subjects
business.industry, Computer science, Noise reduction, computer.software_genre, Signal, Atomic and Molecular Physics, and Optics, Hilbert–Huang transform, Electronic, Optical and Magnetic Materials, Lidar, Three dimensional imaging, Computer vision, Artificial intelligence, Data mining, business, computer
Published
2011

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