作者: 出血 時(shí)間: 2025-3-21 22:44
Martin Sibleyol of the eye. Visual deprivation is an important and fascinating subject from severalpointsofview:clinical,philosophical,historical,andscienti?c. Many general questions in these areas have been framed over the years in terms of the visual system. This is not surprising, because we are visual animal作者: MINT 時(shí)間: 2025-3-22 02:07 作者: Expostulate 時(shí)間: 2025-3-22 05:03
Martin Sibleyopment over the first 4 weeks of age in parallel with the large increase in the number of synapses during this period, and that there is a further refinement of visual properties over the next 3 months or so. These ages apply to the cat and are different in the primate, but the same general sequence作者: 閑逛 時(shí)間: 2025-3-22 08:45
Martin Sibleyol of the eye. Visual deprivation is an important and fascinating subject from severalpointsofview:clinical,philosophical,historical,andscienti?c. Many general questions in these areas have been framed over the years in terms of the visual system. This is not surprising, because we are visual animal作者: 出沒(méi) 時(shí)間: 2025-3-22 16:20 作者: 豐滿有漂亮 時(shí)間: 2025-3-22 20:38
Martin Sibleyopment over the first 4 weeks of age in parallel with the large increase in the number of synapses during this period, and that there is a further refinement of visual properties over the next 3 months or so. These ages apply to the cat and are different in the primate, but the same general sequence作者: 動(dòng)作謎 時(shí)間: 2025-3-22 21:12
Martin Sibleyese include the generation and migration of cells, the projection of their axons to their targets, the formation of topographic projections, the general organization of the terminals within the targets, the crossing of fibers in the chiasm, the position of areas within the cerebral cortex, and the f作者: Substitution 時(shí)間: 2025-3-23 04:48 作者: Disk199 時(shí)間: 2025-3-23 09:24
Introduction,heory, semiconductor physics, communications theory, signal processing and electronic design. In a book of this length, we could not hope to cover every one of these different fields in detail. Instead we will deal with some aspects in depth and cover others by more general discussion. This chapter 作者: consent 時(shí)間: 2025-3-23 13:31
Optical Fibre,n range from 5 to 75?μm and can be made from glass or plastic or a combination of the two. Optical fibre can be found in very-high-speed (40?Gbit/s), long-haul (>100?km) routes that carry data from telephones, computers and Internet search engines. In this chapter we shall examine the properties and作者: 得體 時(shí)間: 2025-3-23 16:19
Optical Transmitters,erates the light. This chapter is concerned with the generation of light from LEDs and lasers. It begins with some semiconductor physics before going on to examine light generation from a variety of sources. Fibre lasers are also discussed.作者: 解決 時(shí)間: 2025-3-23 21:34 作者: lethargy 時(shí)間: 2025-3-24 02:07
Introduction to Receiver Design, voltage prior to low noise preamplification; a post amplifier provides amplification; a filter restricts the system bandwidth; a detector restores the original signal. Most optical links use direct detection – the optical receiver (the photodiode) directly demodulates the light. This is different t作者: heterogeneous 時(shí)間: 2025-3-24 02:40 作者: Firefly 時(shí)間: 2025-3-24 06:34 作者: Fantasy 時(shí)間: 2025-3-24 14:01
http://image.papertrans.cn/o/image/702536.jpg作者: Interim 時(shí)間: 2025-3-24 15:53 作者: 災(zāi)禍 時(shí)間: 2025-3-24 21:47 作者: 離開(kāi)就切除 時(shí)間: 2025-3-25 02:14
Preamplifier Design,signal without major distortion (for digital it was 0.5B). In this chapter we will examine the electronic circuits used to amplify the signals at the end of a link. We will discuss the bandwidth limitations and the noise performance of several designs and study how to design the preamplifiers.作者: 貧困 時(shí)間: 2025-3-25 05:47
Current Systems and Future Trends, This chapter brings it all together by showing how an optical link can be specified by designing a short-haul and a long-haul link. The first transatlantic optical fibre link is examined and compared to a long-haul submarine link that is all optical. Some of the latest developments are examined.作者: 書法 時(shí)間: 2025-3-25 08:07
Martin SibleyA readable introduction, from the principles of light propagation in fibre through to system level integration.Describes the state of the art in free-space optical links, visible light communication a作者: 拱形大橋 時(shí)間: 2025-3-25 13:51
978-3-030-34358-3Springer Nature Switzerland AG 2020作者: construct 時(shí)間: 2025-3-25 19:06
es and electrical activity. This includes the specificity of layers within the cortex, including the specificity of afferent connections, efferent connections, and connections within the cortex, also the formation of pinwheels around the cytochrome oxidase blobs. Given the complexity of the system, 作者: Cpap155 時(shí)間: 2025-3-25 20:14 作者: jumble 時(shí)間: 2025-3-26 00:14
Martin Sibleyes and electrical activity. This includes the specificity of layers within the cortex, including the specificity of afferent connections, efferent connections, and connections within the cortex, also the formation of pinwheels around the cytochrome oxidase blobs. Given the complexity of the system, 作者: Hyperplasia 時(shí)間: 2025-3-26 04:34 作者: 舊石器時(shí)代 時(shí)間: 2025-3-26 12:14
Martin Sibleyone eye is in focus, but the other is not; if vertical lines areinfocus,buthorizontallinesarenot;ifthetwoeyeslookindifferentdir- tions (strabismus); if the lens of one or both eyes is cloudy (cataract); or if the eyeballgrowssomuchthatobjectscannolongerbefocusedontheretina. F- quently these conditio作者: inflame 時(shí)間: 2025-3-26 14:40
Martin Sibleyes and electrical activity. This includes the specificity of layers within the cortex, including the specificity of afferent connections, efferent connections, and connections within the cortex, also the formation of pinwheels around the cytochrome oxidase blobs. Given the complexity of the system, 作者: INTER 時(shí)間: 2025-3-26 18:37 作者: 榨取 時(shí)間: 2025-3-26 22:22 作者: 假裝是我 時(shí)間: 2025-3-27 03:31
iod as segregation of ocular dominance. Acuity improves as the size of the center of the receptive fields of the sustained cells gets smaller and the eyeball gets larger. Movement sensitivity improves as the temporal properties of the Y cell system improves..The development of physiological properti作者: obsession 時(shí)間: 2025-3-27 06:37 作者: strdulate 時(shí)間: 2025-3-27 12:22 作者: PURG 時(shí)間: 2025-3-27 14:53
Optical Fibre,esults from the full analysis are quoted in the relevant sections. (The work in this chapter assumes that the reader is familiar with Maxwell’s equations. Most books on electromagnetism cover the derivation of these equations.)作者: Brittle 時(shí)間: 2025-3-27 19:27
Photodiodes,ible to operate continuously over a wide range of temperatures for many years. A further obvious requirement for optical fibre links is that the detector size must be compatible with the fibre dimensions. This chapter examines PIN and APD structures for near and far infrared.作者: modest 時(shí)間: 2025-3-27 23:48
Introduction to Receiver Design,o coherent detection which is the preferred detection method in radio systems. (Long-haul optical links use coherent detection. These are examined when we consider current and future systems in the final chapter.) Although most of the work presented in this chapter is concerned with digital links, analogue receivers are also considered.作者: 粗糙 時(shí)間: 2025-3-28 05:32 作者: characteristic 時(shí)間: 2025-3-28 08:49
t in free-space optical links, visible light communication aThe long-awaited third edition of this classic textbook provides a genuinely accessible?introduction to the principles and technology of optical communication systems.? It takes the reader from the fundamentals of light propagation in optic作者: AIL 時(shí)間: 2025-3-28 12:25
Textbook 2020Latest editionnication systems.? It takes the reader from the fundamentals of light propagation in optical fibre, through materials and fabrication methods, light sources and modulation, to photodiodes and receiver design, and concludes with a chapter looking at system level integration..Updated throughout, major作者: 藐視 時(shí)間: 2025-3-28 15:23 作者: 退出可食用 時(shí)間: 2025-3-28 22:30
