CLAMP
发表于 2025-3-26 22:13:44
Lennart Lindegrennt of the theory and practice of analog (linear) fiber-optics links and systems that constitute the foundation of Hybrid Fiber Coax infrastructure in present-day CATV distribution and cable modem Internet access. Emerging applications in remote fiber-optic feed for free-space millimeter wave enterpr
渐强
发表于 2025-3-27 03:15:58
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节约
发表于 2025-3-27 07:54:28
Matt J. Griffin,Peter A. R. Adeber-optic transmission technologies e.g. high- level system This book provides an in-depth treatment of both linear fiber-optic systems and their key enabling devices. It presents a concise but rigorous treatment of the theory and practice of analog (linear) fiber-optics links and systems that const
纬度
发表于 2025-3-27 10:08:15
Alan M. Titleber-optic transmission technologies e.g. high- level system This book provides an in-depth treatment of both linear fiber-optic systems and their key enabling devices. It presents a concise but rigorous treatment of the theory and practice of analog (linear) fiber-optics links and systems that const
感情
发表于 2025-3-27 15:47:43
Observing photons in space,introduce the structure and the conventions used. The title of the book reflects the history of space astronomy: it started at the high-energy end of the electromagnetic spectrum, where the photon aspect of the radiation dominates. Nevertheless, both the wave and the photon aspects of this radiation
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发表于 2025-3-27 21:45:44
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旋转一周
发表于 2025-3-28 01:02:38
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不近人情
发表于 2025-3-28 04:57:58
X-ray astronomy: energies from 0.1 keV to 100 keV,both cosmic and solar X-rays are briefly outlined. Methods for X-ray detection are described along with reflecting systems for collecting, focussing and dispersing X-rays. The use of CCDs and cryogenic detectors for non-dispersive spectroscopy is also discussed. The present state of the art in the t
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发表于 2025-3-28 09:18:08
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Nibble
发表于 2025-3-28 12:07:24
The visible and near-infrared domain, the Earth’s atmosphere. The absence of these effects in space permits observations of higher sensitivity and stability with better angular resolution and with a larger dynamic range than their counterparts from the ground. Observations from the . Space Telescope, the . and . satellites and survey s