Through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.
在变切削参数的加工工况下，通过对振动信号的采集和频域处理，发现采用单一的自功率谱方法难以有效检测出刀片破损。
The vibration equation for thin flat plane loudspeaker with single point drive and four corners fixed is deduced and its simple harmonic vibration frequency in this condition is analyzed.
推导了固定四角薄型平板扬声器在单点激励下的振动方程，分析了在受激情况下的简正频率，并由简正频率方程导出其受力方程。
This paper studies the orbit determination of LEO satellites using GPS receivers of single frequency in condition of not depending on GPS differential reference stations.
研究在不依赖于GPS差分基准站的情况下，利用单频gps接收机对低轨卫星进行定轨的算法。
For a linear array CCD in a push-bloom imaging system, on condition that the input signal is a sine pattern with single frequency, the output signal spectrum is analysed.
假定输入为单频正弦光栅，对刷扫工作状态下线列CCD输出信号的频谱进行了分析。
The Single Side band (SSB) which can save the frequency bandwidth, save the power and receive little effect from the channel condition is a pretty choice.
具有节约频带、节约功率、受信道条件影响小等特点的单边带通信方式是很好的选择。
The equivalent circuit of parallel inverters is acquired from the single inverter equivalent circuit and the circulating current of parallel system is given in condition of different frequency.
根据单台逆变器的等效电路得到了并联系统的等效电路，给出了并联系统的在不同等效电路下环流的大小。
The equivalent circuit of parallel inverters is acquired from the single inverter equivalent circuit and the circulating current of parallel system is given in condition of different frequency.
根据单台逆变器的等效电路得到了并联系统的等效电路，给出了并联系统的在不同等效电路下环流的大小。
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