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单词 Differential Manchester encoding
释义

Differential Manchester encoding

英语百科

Differential Manchester encoding

An example of Differential Manchester encoding.  The opposite polarity would also be valid; it depends on the preceding line state.  There is a transition at the beginning of each clock period, i.e. at the rising clock edge.  If a 1 is to be encoded, there will also be a transition in the middle of the clock period (on the falling clock edge).  If a 0 is to be encoded, there will be no transition in the middle of the clock period.

Differential Manchester encoding Scheme is a line code in which data and clock signals are combined to form a single 2-level self-synchronizing data stream. It is a differential encoding, using the presence or absence of transitions to indicate logical value. It is not necessary to know the polarity of the sent signal since the information is not kept in the actual values of the voltage but in their change: in other words it does not matter whether a logical 1 or 0 is received, but only whether the polarity is the same or different from the previous value; this makes synchronization easier.

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更新时间:2025/6/19 2:20:21