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。
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.
在时钟产生电路中，选择了RC振荡电路作为系统提供时钟源的方案。
In clock generating circuit, we choose rc oscillation circuit as clock scheme to supply system clock source.
本文报导了一个由正弦振荡气源、换能器组成的测量系统。
A measuring system consisting of the sinusoidal oscillation air supply and the transducer in connection with respiratory system of man or animal is presented.
还提出了采用单自由度线性无阻尼自由振荡系统作为测定传感器谐波失真度的一个高纯度正弦波激振源。
It is also recommended in this paper that a linear nondamping free vibration system of a single freedom degree can provide a stimulant source of sine wave with high purti…
还提出了采用单自由度线性无阻尼自由振荡系统作为测定传感器谐波失真度的一个高纯度正弦波激振源。
It is also recommended in this paper that a linear nondamping free vibration system of a single freedom degree can provide a stimulant source of sine wave with high purti…
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