Book Chapter10.1016/B978-1-4377-7807-6.10014-2
Data transmission interfaces
Peng Zhang
- 01 Jan 2010
pp 557-598
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TL;DR: This chapter discusses the data transmission interfaces and the digital signal refers to two concepts, which can refer to discrete-time signals that have a discrete number of levels, for example a sampled and quantified analog signal.
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Abstract: This chapter discusses the data transmission interfaces. The term data transmission concerns the transmission of digital electric or electromagnetic signals from source to destination through some electric media over a physical distance, whereas analog transmission involves the transmission of analog signals. The primary difference between the two is whether the transferred and processed messages in the system are digital or analog. The digital signal refers to two concepts. It can refer to discrete-time signals that have a discrete number of levels, for example a sampled and quantified analog signal; or to the continuous-time waveform signals in a digital system that represent a bit-stream. In the first case, a signal that is generated by means of a digital modulation method is considered to be converted from an analog signal, while it is considered as a digital signal in the second case.
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Citations
Design of acquisition and controlling system for multi-channel digital-analog signal based on FPGA
Zhang Yan-jun,Hong Yingping,Liu Wei,Jiang Wei +3 more
- 27 May 2011
TL;DR: This acquisition and controlling system has been applied in the check of flight test in one flight vehicle and is applicable in real-time monitoring of RS-422 aircraft.
2
References
Serial data communications
John Park,Steve Mackay +1 more
TL;DR: The fundamental definitions and basic principles of digital serial data communications are reviewed, including methods for detecting errors in communication, which is an important consideration in noisy industrial environments.
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