PULSE

作品数:1312被引量:1567H指数:14
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相关作者:刘正林金勇石晓路徐建国王冰更多>>
相关机构:深圳市聆动智能科技有限公司学研究院中国农业大学武汉理工大学更多>>
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Nonlinear distortion and spatial dispersion of intense terahertz generation in lithium niobate via the tilted pulse front technique被引量:4
《Photonics Research》2018年第10期959-964,共6页BAOLONG ZHANG SHANGQING LI SHUSU CHAI XIAOJUN Wu JINGLONG MA LIMING CHEN YUTONG LI 
National Basic Research Program of China(2013CBA01501);National Natural Science Foundation of China(NSFC)(11334013,11520101003,11861121001,U1530150);Strategic Priority Research Program of the Chinese Academy of Sciences(CAS)(XDB07030300,XDB16010200,XDB17030500);National Science Foundation(NSF)(0968895,1102301,1263236);863 Program(2013AA014402);“Zhuoyue” Program(ZG216S1807);“Qingba” Program(KG12052501,ZG226S1832)
We systematically investigate the influences of the input infrared spectrum, chirp, and polarization on the emitted intense terahertz spectrum and spatial dispersion in lithium niobate via optical rectification. The t...
关键词:红外光谱 激光技术 发展现状 通讯技术 
PULSE SHRINKING TIME-TO-DIGITAL CONVERTER FOR UWB APPLICATION
《Journal of Electronics(China)》2014年第3期180-186,共7页Chen Chao Meng Shengwei Xia Zhenghuan Fang Guangyou Yin Hejun 
Supported by the National High Technology Research and Development Program(No.2012AA121901)
A kind of architecture of Time-to-Digital Converter(TDC) for Ultra-WideBand(UWB) application is presented. The proposed TDC is based on pulse shrinking, and implemented in a Field Programmable Gate Array(FPGA) device....
关键词:Ultra-WideBand(UWB) Pulse shrinking Time-to-Digital Converter(TDC) Programmable Delay Line(PDL) Delay resolution measurement 
A Method of Peak Detecting for Nanosecond Pulse in Optical Performance Monitoring System
《China Communications》2014年第2期78-82,共5页FENG Lihui ZHANG Qing LIU Xiang ZUO Lin YANG Aiying 
supported by National 863 Program of China(2013AA013401),P.R.China;National Natural Science Foundation of China under Grant No.61177067,No.61027007,and No.61331010
In optical performance monitoring system,the analog to digital converter is needed to detect the peak of nanosecond pulse and get the signal envelope.A scheme based on a designed anti-aliasing filter and analog to dig...
关键词:optical performance monitoringsystem (OPM) pulse peak detection anti-aliasing filter analog-to-digital converter 
High Speed On/Off Valve Control Hydraulic Propeller被引量:12
《Chinese Journal of Mechanical Engineering》2012年第3期463-473,共11页ZHU Kangwu GU Linyi CHEN Yuanjie LI Wei 
supported by National Hi-tech Research and Development Program of China (863 Program, Grant No.2006AA09Z215)
The work-class remotely-operated-underwater-vehicles(ROVs) are mainly driven by hydraulic propulsion system,and the effeciency of hydraulic propulsion system is an important performance index of ROVs.However,the eff...
关键词:high speed on/off valve fluctuation control pulse-width-pulse-frequency-modulation(PWPFM) hydraulic propulsion system remotely-operated-underwater-vehicle(ROV) energy saving system 
Research on pulse edge extraction by using nonlinear optical fiber-loop mirror
《Optoelectronics Letters》2012年第1期9-12,共4页彭拥军 邱昆 纪四潍 
supported by the National High Technology Research and Development Program of China(No.2009AA01Z216);the Major State Basic Research and Development Program of China(No.2011CB301703)
The output characteristics of nonlinear optical fiber-loop mirror are analyzed in detail when the pump pulses with the same wavelength are input in the both directions for recovering the clock component of the signal ...
关键词:Clocks Optical fibers Optical signal processing PUMPS Spectrum analysis Time domain analysis 
A Modified Code Domain Transmitted Reference UWB System
《Journal of Electronics(China)》2011年第3期341-348,共8页Li Xia Jiang Hua Zhang Jian Kong Zehua 
Supported by the National High Technology Research and Development Program of China(863 Program)(No.2009AA011205);the Important National Science and Technology Specific Projects(No.2009ZX03006-008)
Based on the research on time domain and frequency domain transmitted reference Impulse Radio Ultra-WideBand (IR-UWB) system, this paper studies the optimization design for code domain transmitted reference IR-UWB sys...
关键词:Ultra-WideBand (UWB) IMPULSE Transmitted Reference Code-Orthogonalized Pulse peak energy 
A 5-GHz programmable frequency divider in 0.18-μm CMOS technology
《Journal of Semiconductors》2010年第5期85-89,共5页舒海涌 李智群 
supported by the National High Technology Research and Development Program of China(No.2007AA01Z2A7);the Science and Technology Program of Zhejiang Province,China(No.2008C16017).
A 5-GHz CMOS programmable frequency divider whose modulus can be varied from 2403 to 2480 for 2.4-GHz ZigBee applications is presented.The divider based on a dual-modulus prescaler(DMP) and pulse-swallow counter is ...
关键词:frequency divider dual-modulus prescaler pulse-swallow frequency synthesizer 
Enhanced resistance switching stability of transparent ITO/TiO_2/ITO sandwiches被引量:1
《Chinese Physics B》2010年第3期503-507,共5页孟洋 张培健 刘紫玉 廖昭亮 潘新宇 梁学锦 赵宏武 陈东敏 
Project supported by the National Basic Research Program of China (Grant No. 2007CB925002);the National High Technology Research and Development Program of China (Grant No. 2008AA031401)and Chinese Academy of Sciences
We report that fully transparent resistive random access memory (TRRAM) devices based on ITO/TiO2/ITO sandwich structure, which are prepared by the method of RF magnetron sputtering, exhibit excellent switching stab...
关键词:colossal electroresistance effect electrical pulse induced resistance switching (EPIR) transparent resistance random access memory (TRRAM) 
Estimation of suspended sediment concentrations using Pulse-coherent Acoustic Doppler Profiler (PCADP)被引量:2
《Chinese Journal of Oceanology and Limnology》2009年第2期260-265,共6页柏秀芳 李思忍 龚德俊 徐永平 姜静波 
Supported by National High Technology Research and Development Program of China (863 Program, No. 2008AA09Z113)
The objective of the study is to investigate the suitability of using Pulse-coherent Acoustic Doppler Profiler (PCADP) to estimate suspended sediment concentration (SSC). The acoustic backscatter intensity was correct...
关键词:Doppler Profiler (PCADP) suspended sediment concentration (SSC) acoustic backscatterintensity 
Pulse gas alignment and AFM manipulation of single-wall carbon nanotube被引量:4
《Chinese Science Bulletin》2008年第22期3590-3596,共7页TUNG Steve 
the National High Technology Research and Development Program (863 Program No. 2006AA04Z320);Excellent Young Scholars Training Grant of Liaoning Province (Grant No. 2005220025)
In the fabrication process of nanoelectronic device arrays based on single-wall carbon nanotube (SWCNT), oriented alignment of SWCNTs and property modification of metallic SWCNTs in the array are the key problems to b...
关键词:SWCNT 碳纳米管 显微镜 AFM 
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