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A Novel Synchronous Coherent Optical Receiving Technique without Active Phase Tracking
Receiving Technique Phase Tracking Novel Synchronous Coherent
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2015/5/18
A novel synchronous coherent optical receiving technique is proposed. With this technique, active phase tracking with an optical phase locked loop is eliminated by canceling out the phase and frequenc...
Hard X-ray Spectrum of Mkn 421 during the Active Phase
X-rays BL Lac sources massive black hole candidates jet emission individual—Mkn 421
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2009/5/20
Spectral measurement of Mkn 421 were made in the hard Xray
energy band of 20–200 keV using a high sensitivity, large area scintillation
counter telescope on November 21, 2000 and these coincided wit...