1) frequency variance
频率方差
2) VFMSD
调频斜率方差检测器
1.
Based on the characteristic analysis of the linear frequency modulation(LFM) signal, a new kind of detector towards LFM signal was put forward, which was called Variance-of-Frequency-Modulation-Slope Detector(VFMSD).
在线性调频信号特征分析的基础上,提出了一种新的LFM信号检测器——调频斜率方差检测器,根据不同信噪比下调频斜率方差的概率密度分布情况,给出了该检测器的二元假设检验模型,并对比了在相同条件下该检测器与匹配滤波器的性能。
3) FWSE Frequency C Weighted Squared Error
频率加权平方误差
4) beat frequency meter
差频频率计
5) Slip Frequency
转差频率
1.
The Design of Slip Frequency Controlled VVVF System Based on Microcontroller;
基于单片机的转差频率控制变频调速实验系统设计
2.
Stator-flux-orientated slip frequency control for induction motor;
异步电机按定子磁场定向的转差频率控制
6) frequency error
频率误差
1.
A method of measuring TD-SCDMA signal frequency error based on virtual instrument is proposed.
提出了一种基于虚拟仪器的精确测量TD-SCDMA信号频率误差的方法,并给出了系统设计。
2.
The paper discusses frequency error generated by random phase undulation and gives Max.
讨论了随机相位波动产生频率误差,给出了在测量频率范围内随机相位波动产生的频率误差的最大均方根值误差。
3.
Small frequency error may exist in frequency sources between receiver and transmitter,because of the craft of devices when oven controlled crystal-oscillators of high stability are used in both transmitter and receiver.
机动式多基地地波超视距雷达是一种新型的雷达体制,发射站和接收站均采用高稳定度的恒温晶振作为频率源,但由于器件本身的工艺原因,收发站的两个频率源间可能存在微量的频率误差,这就使得接收站无法准确得到发射信息。
补充资料:频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条