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检索条件"主题词=Optical coding"
36 条 记 录,以下是31-40 订阅
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All-optical analog-to-digital conversion using optical interconnection for gray code coding
All-optical analog-to-digital conversion using optical inter...
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Conference on optical Transmission, Switching, and Subsystems IV
作者: Nishitani, Takashi Konishi, Tsuyoshi Itoh, Kazuyoshi Osaka Univ Grad Sch Engn 2-1 Yamadaoka Suita Osaka 5650871 Japan
The gray code based all-optical analog-to-digital conversion (ADC) using optical interconnection is described. Recent tremendous growths of optical communications and digital signal processing have encouraged the dema... 详细信息
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Integration of a proposed all-optical analog-to-digital converter using self-frequency shifting in fiber and a pulse-shaping technique
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optical REVIEW 2005年 第3期12卷 237-241页
作者: Nishitani, T Konishi, T Itoh, K Osaka Univ Grad Sch Engn Suita Osaka 5650871 Japan
Integration of a proposed all-optical analog-to-digital (A/D) converter is described. To realize a high-speed and high-throughput system, optical A/D conversion has attracted much attention. A/D conversion generally c... 详细信息
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Cryptography based on the absorption/emission features of multicolor semiconductor nanocrystal quantum dots
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OPTICS EXPRESS 2004年 第13期12卷 2925-2931页
作者: Zhou, M Chang, SD Grover, CP Natl Res Council Canada Inst Natl Measurement Stand Ottawa ON K1A 0R6 Canada
Further to the optical coding based on fluorescent semiconductor quantum dots (QDs), a concept of using mixtures of multiple single-color QDs for creating highly secret cryptograms based on their absorption/emission p... 详细信息
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New method for developing optical code division multiplexed access sequences using genetic algorithm
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optical ENGINEERING 1999年 第1期38卷 151-156页
作者: Sadot, D Mahlab, U Bar Natan, V Ben Gurion Univ Negev IL-84105 Beer Sheva Israel Ctr Technol Educ IL-58102 Holon Israel
A new method for developing optical code division multiplexed access (CDMA) address code sequences is presented. The method is based on the genetic algorithm, which has already shown success in developing two-dimensio... 详细信息
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Experimental demonstration of the (de)coding of hybrid phase and frequency codes using a pseudolocal oscillator for optical code division multiplexing
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IEEE PHOTONICS TECHNOLOGY LETTERS 1998年 第6期10卷 887-889页
作者: Andonovic, I Sotobayashi, H Wada, N Kitayama, KI Univ Strathclyde Dept Elect & Elect Engn Div Optoelect Glasgow G1 1XW Lanark Scotland Lightwave Network Sect Minist Posts & Telecommun Commun Res Lab Koganei Tokyo 184 Japan
This letter details an initial experimental demonstration of (de)coding of optical sequences coded in the two-dimensions of phase and wavelength through a pseudolocal oscillator. Narrow pulses at 1 Gb/s originating fr... 详细信息
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Spectral coding for secure optical communications using refractive index dispersion
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OPTICS COMMUNICATIONS 1997年 第1-6期133卷 87-92页
作者: Mazurenko, YT Giust, R Goedgebuer, JP SI VAVILOV STATE OPT INST ST PETERSBURG 199034RUSSIA
We demonstrate spectral coding in communication systems based on the use of refractive index dispersion of transparent optical materials. This approach to spectral coding is extremely simple and cheap and allows fibre... 详细信息
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