Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive-applied technique.
固定频率源可以在在通讯系统和雷达系统中作为本机振荡器，也可以作为数字电路的基准时钟信号，因此得到了广泛的应用。
Chapter 2 describes the system part of MPEG-2 standard with focuses on PSI (Program Specific Information) and PCR (Program Clock Reference).
第二章主要讲述了MPEG - 2标准系统层规范，着重介绍节目特殊信息PSI和节目时钟参考pcr。
The paper introduces the system design and operation principle of the primary reference clock equipment.
介绍了基准时钟的系统设计及工作原理。
The fan rotation speed controlling system controls fan based on one reference clock.
一种风扇的转速的控制系统，是根据一参考时钟以控制风扇。
It contains a high speed 16-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and both serial and parallel system interface ports.
它内置一个16位高速采样adc、一个内部转换时钟、一个内部基准电压源(和缓冲)、纠错电路，以及串行和并行系统接口端口。
Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.
该系统用高稳定度铷钟作为时间基准信号，实现了无源导航定位功能。
The part contains a high-speed 18-bit samplingADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.
该器件内置一个高速18位采样ADC、一个内部转换时钟、一个内部基准电压缓冲、纠错电路，以及串行和并行系统接口。
The part contains a high-speed 18-bit samplingADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.
该器件内置一个高速18位采样ADC、一个内部转换时钟、一个内部基准电压缓冲、纠错电路，以及串行和并行系统接口。
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