標(biāo)題: Titlebook: Data Communications for Engineers; C. G. Guy Textbook 1992Latest edition Macmillan Publishers Limited 1992 communication.computer.set [打印本頁] 作者: Corrugate 時間: 2025-3-21 18:17
書目名稱Data Communications for Engineers影響因子(影響力)
書目名稱Data Communications for Engineers影響因子(影響力)學(xué)科排名
書目名稱Data Communications for Engineers網(wǎng)絡(luò)公開度
書目名稱Data Communications for Engineers網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Data Communications for Engineers被引頻次
書目名稱Data Communications for Engineers被引頻次學(xué)科排名
書目名稱Data Communications for Engineers年度引用
書目名稱Data Communications for Engineers年度引用學(xué)科排名
書目名稱Data Communications for Engineers讀者反饋
書目名稱Data Communications for Engineers讀者反饋學(xué)科排名
作者: 嚴(yán)峻考驗 時間: 2025-3-21 20:20 作者: Temporal-Lobe 時間: 2025-3-22 02:08
Macmillan Publishers Limited 1992作者: maroon 時間: 2025-3-22 05:45 作者: 粗語 時間: 2025-3-22 10:53 作者: Excise 時間: 2025-3-22 16:16
P. F. Van Haperen,B. Gremmen,J. Jacobsthe match between the signal and channel transmission characteristics. This could be done by modulating it onto an analog waveform of known bandwidth or by coding the digital signal in some way. If data is transmitted over a channel without modulation the term . is used to describe the communications.作者: Excise 時間: 2025-3-22 18:08
Critical Thresholds in Fear and Panicich will make the connecting together of computers, and other sources of information much more straightforward. This chapter discusses some advances which are already well into their development life cycle and which will have an impact on data communications over the next few years.作者: 周年紀(jì)念日 時間: 2025-3-22 23:51
Introduction,subject. Most of the topics mentioned are explained in much more detail in the following chapters. The concept of layered communications is explained, so that it can be used as a framework for the rest of the book. However, before looking at data communications specifically, the idea of communication in general is examined.作者: 流動性 時間: 2025-3-23 02:59
Baseband Digital Transmission,the match between the signal and channel transmission characteristics. This could be done by modulating it onto an analog waveform of known bandwidth or by coding the digital signal in some way. If data is transmitted over a channel without modulation the term . is used to describe the communications.作者: Atheroma 時間: 2025-3-23 07:33 作者: 哎呦 時間: 2025-3-23 09:58 作者: AFFIX 時間: 2025-3-23 16:58
Physical Communications Channels,This chapter is concerned with the communications channels that may be used for the physical transport of information. Later chapters describe how the electrical signal carrying the information can be modified so that it is in a suitable form for a particular channel.作者: 淡紫色花 時間: 2025-3-23 20:39
http://image.papertrans.cn/d/image/262758.jpg作者: induct 時間: 2025-3-24 00:42
The ethics of climate change denialsubject. Most of the topics mentioned are explained in much more detail in the following chapters. The concept of layered communications is explained, so that it can be used as a framework for the rest of the book. However, before looking at data communications specifically, the idea of communicatio作者: 礦石 時間: 2025-3-24 02:32
P. F. Van Haperen,B. Gremmen,J. Jacobsthe match between the signal and channel transmission characteristics. This could be done by modulating it onto an analog waveform of known bandwidth or by coding the digital signal in some way. If data is transmitted over a channel without modulation the term . is used to describe the communication作者: Directed 時間: 2025-3-24 09:32 作者: 冷峻 時間: 2025-3-24 12:34
Climate of the Romanian Carpathians corrected is extremely important. If information is represented in this way there must be redundancy in the code, in other words there must be combinations of bits which do not represent normal data. These sequences are denoted as not allowed. Some error control codes simply detect one or more bit 作者: Entropion 時間: 2025-3-24 18:18 作者: morale 時間: 2025-3-24 22:20 作者: 善辯 時間: 2025-3-25 00:02
Circular Reaction in Media Hypess of the protocol hierarchy. So far as the upper layers are concerned, the details of actually transporting bits is not their problem. The bits will travel successfully between two nodes, because the lower layers guarantee that service to the upper layers. However, there are still major problems to 作者: 斜 時間: 2025-3-25 04:48
Circular Reaction in Media Hypese packet switches separate from the hosts and low data transfer rates, can be overcome. It is possible to include many of the functions of the packet switch into the host and to boost dramatically the data transfer rate by using . technology. With the advent of cheap optical fibres, even the restric作者: 多樣 時間: 2025-3-25 09:06 作者: 拘留 時間: 2025-3-25 13:55
Five Themes on Our Changing Climate,mited to between 300 Hz and 3.3 kHz, restricting the transmission of baseband signals. Other examples are optical fibre channels, which can only pass frequencies in the hundreds of GHz range or radio wave and microwave channels which could similarly not support direct digital transmission.作者: lethargy 時間: 2025-3-25 16:36
Climate of the Romanian Carpathiansations of bits which do not represent normal data. These sequences are denoted as not allowed. Some error control codes simply detect one or more bit changes whilst some identify which bit(s) were changed and can then correct them. Clearly, in a binary system, correction is accomplished by the act of bit inversion.作者: 藐視 時間: 2025-3-25 22:04
Circular Reaction in Media Hypesswitch into the host and to boost dramatically the data transfer rate by using . technology. With the advent of cheap optical fibres, even the restriction of physical proximity can be substantially reduced.作者: Germinate 時間: 2025-3-26 01:23 作者: hysterectomy 時間: 2025-3-26 07:55
Circular Reaction in Media Hypesdressed by the upper layers of the protocol hierarchy. It is important to note that from now on the protocols themselves are actually implemented by pieces of software, so when the functions of the network layer, or any of the other layers, are discussed it is in the context of writing a program to perform them.作者: 聾子 時間: 2025-3-26 10:55
The Higher Layers of the Protocol Hierarchy,dressed by the upper layers of the protocol hierarchy. It is important to note that from now on the protocols themselves are actually implemented by pieces of software, so when the functions of the network layer, or any of the other layers, are discussed it is in the context of writing a program to perform them.作者: Preserve 時間: 2025-3-26 13:51
Analog Data Transmission,mited to between 300 Hz and 3.3 kHz, restricting the transmission of baseband signals. Other examples are optical fibre channels, which can only pass frequencies in the hundreds of GHz range or radio wave and microwave channels which could similarly not support direct digital transmission.作者: 多嘴多舌 時間: 2025-3-26 17:24
Error Control and Data Compression Codes,ations of bits which do not represent normal data. These sequences are denoted as not allowed. Some error control codes simply detect one or more bit changes whilst some identify which bit(s) were changed and can then correct them. Clearly, in a binary system, correction is accomplished by the act of bit inversion.作者: GENRE 時間: 2025-3-26 22:15
Local Area Networks,switch into the host and to boost dramatically the data transfer rate by using . technology. With the advent of cheap optical fibres, even the restriction of physical proximity can be substantially reduced.作者: browbeat 時間: 2025-3-27 05:10 作者: decode 時間: 2025-3-27 07:39 作者: propose 時間: 2025-3-27 11:10 作者: Meditate 時間: 2025-3-27 17:03
Analog Data Transmission,al data at baseband, however it is encoded. The most commonly quoted example is that of a public switched telephone channel, which is severely band limited to between 300 Hz and 3.3 kHz, restricting the transmission of baseband signals. Other examples are optical fibre channels, which can only pass 作者: 美麗的寫 時間: 2025-3-27 21:22
Error Control and Data Compression Codes, corrected is extremely important. If information is represented in this way there must be redundancy in the code, in other words there must be combinations of bits which do not represent normal data. These sequences are denoted as not allowed. Some error control codes simply detect one or more bit 作者: Cuisine 時間: 2025-3-27 21:57
Physical Layer Standards,itched telephone network. So far as the user is concerned there is a choice between dial-up voice grade lines or slightly higher grade lines which can be leased from the telephone company. Both require the digital data to be modulated onto an analog waveform, using a . The line providers may do anyt作者: 翻動 時間: 2025-3-28 03:58
The Data Link Layer,ply, a stream of binary bits. However the information source, usually a computer, does not organise its data on a bit by bit basis and the information receiver will also need to know how each bit relates to the previous one. The first step in matching the organisation of the bits to be passed over a作者: 摘要 時間: 2025-3-28 07:04 作者: Pastry 時間: 2025-3-28 10:26
Local Area Networks,e packet switches separate from the hosts and low data transfer rates, can be overcome. It is possible to include many of the functions of the packet switch into the host and to boost dramatically the data transfer rate by using . technology. With the advent of cheap optical fibres, even the restric作者: 低能兒 時間: 2025-3-28 16:25 作者: gain631 時間: 2025-3-28 21:35 作者: Scleroderma 時間: 2025-3-28 23:59