Under the circumstances, this dissertation chooses the key problem in urban traffic signal control-signal timing parameters and optimization methods as its research target. This dissertation is consisted of introduction, run characteristic analyze of mixed traffic flow, collection of database, canalization design, design of signal phase, optimization methods of signal timing parameters of mixed traffic, and conclusion and expectation.

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First, mathematical foundation of synchronization, i.e. the theory of parameter estimation is introduced. Then, DA/DD or NDA timing synchronization methods based on the ML estimation of timing parameter are presented. They are all widely applied in actual digital communication systems. Interpolation theory in digital signal processing has application in timing synchronization, which makes the sampling clock independent of the timing control so that timing adjustment is realized completely through digital disposal. The issue of interpolation in timing synchronization is discussed.

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A circuit for taking out timing signal from one dynode of photomultiplier is described.

介紹一種從光電倍增管倍增極引出快信號的電路。

advance signal timing：正時提前信號

advance signal pressure;壓力提前信號 | advance signal timing;正時提前信號 | advance timing component;正時提前部件

Traffic signal timing：流量號志時制流量信號配時

traffic signal 流量號志流量信號 | traffic signal phaveing 流量號志時相流量信號相位 | traffic signal timing 流量號志時制流量信號配時

Traffic signal timing：訪問量號志時制訪問量信號配時

traffic signal 訪問量號志訪問量信號 | traffic signal pgeting 訪問量號志時相訪問量信號相位 | traffic signal timing 訪問量號志時制訪問量信號配時