PHASE-MODULATION

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Intelligent optimization methods of phase-modulation waveform
《Journal of Systems Engineering and Electronics》2022年第4期916-923,共8页SUN Jianwei WANG Chao SHI Qingzhan REN Wenbo YAO Zekun YUAN Naichang 
With the continuous improvement of radar intelligence, it is difficult for traditional countermeasures to achieve ideal results. In order to deal with complex, changeable, and unknown threat signals in the complex ele...
关键词：waveform optimization intelligent optimization PHASE-MODULATION genetic algorithm(GA) particle swarm optimization(PSO) 
Novel metasurface phase-modulation mechanism
《Light(Science & Applications)》2021年第10期1816-1816,共1页Qinghua Song 
Science,373(6559),1133–1137,(2021)https://doi.org/10.1126/science.abj3179 The past few years have witnessed exciting developments in non-Hermitian physics,showing unconventional phenomena and unique features associat...
关键词：technique. PHASE utilize 
Practical phase-modulation stabilization in quantum key distribution via machine learning
《Science Foundation in China》2019年第3期31-31,共1页
With the support by the National Natural Science Foundation of China and Nanjing University of Posts and Telecommunications,the research team led by Prof.Wang Qin(王琴)at the Institute of Quantum Information and Techn...
关键词：QUANTUM distribution STABILIZATION 
State Transition Induced by Self-Steepening and Self Phase-Modulation
《Chinese Physics Letters》2014年第1期33-36,共4页
Supported by the National Natural Science Foundation of China under Grant Nos 10971109 and 11271210, the K.C. Wong Magna Fund in Ningbo University, the Natural Science Foundation of Ningbo under Grant No 2011A610179, and the Natural Science Foundation of Hungary （OTKA, No K83133）.
We present a rational solution for a mixed nonlinear Schr6dinger （MNLS） equation. This solution has two free parameters, a and b, representing the contributions of self-steepening and self phase-modulation （SPM） o...
Phase-modulation-combination system for the generation of arbitrarily shaped repetition rate pulses
《Chinese Optics Letters》2013年第3期8-10,共3页王世伟 郑君 徐剑秋 
supported by the National Natural Science Foundation of China under Grant Nos.61138006 and 10905039
We propose a new phase-modulation-combination system for the generation of arbitrarily shaped repetition rate pulses. In this system, the pulses from two electro-optic switches are modulated and interferentialty combi...
关键词：Combinatorial switching Embedded systems Modulation 
Quantum coherent control of two-photon transitions by square phase-modulation
《Chinese Physics B》2008年第8期2914-2918,共5页张诗按 王祖赓 孙真荣 
supported by the National Natural Science Foundation of China (Grant No 10574046);National Key Project for Basic Research of China (Grant Nos 2006CB806006 and 2006CB921105);Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT), Program for New Century Excellent Talents in University (NCET-04-0420);the Doctoral Program of High Education (Grant No 20050269011);Phosphor Program sponsored by Shanghai Science and Technology Committee (Grant No 06QH14003)
A femtosecond laser pulse can be tailored to control the two-photon transitions using the ultra-fast pulse-shaping technique. This paper theoretically and experimentally demonstrates that two-photon transitions in mol...
关键词：two-photon transitions coherent control pulse shaping 
Automatic abstraction of interference fringes with image technique
《Journal of Harbin Institute of Technology(New Series)》2002年第2期166-169,共4页浦昭邦 陶卫 张敏 
SponsoredbytheNationalDoctor’sFinanceofChina(GrantNo .970 2 13 2 8)
ion technique of interference fringes used in phase modulation and phase scanning modulation interferometer is presented. For the measurement of amplitudes of interference fringes, fringes are fitted and their central...
关键词：INTERFERENCE FRINGES ABSTRACTION PHASE-MODULATION IMAGE detection 
Soliton Compression Due to Cross-Phase-Modulation in the Normal Dispersive Optical Fibers
《Chinese Physics Letters》1995年第8期493-496,共4页XU Wencheng LIU Junmin LIAO Changjun LIU Songhao 
Supported by the National Post-doctoral Science Foundation of China,and Post-doctoral Science Foundation of Guangdong.
A new method is proposed to compress soliton pulses in the normal dispersive optical fibers through cross-phase-modulation of two pulses.The optimum fiber length for optimum compression is obtained for given values of...
关键词：fiber OPTIMUM SOLITON 
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