提出一种新型的基于曲线拟合技术的频率特性测量算法。
A novel measuring algorithms of frequency characteristic by using curve fitting techniques was presented.
传统的频率特性测量方法，在低频时，测量精度较差，且非常费时。
When traditional method is used for measurement at low frequency range, measuring precision can not be guaranteed and measuring is time-consuming.
用伪随机振荡技术测量了高通量工程试验堆（HFETR）不同功率水平时堆的频率特性。
Using pseudorandom oscillation technique, frequency characteristics in different power levels are measured in HFETR.
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