光学空间频率合成器
spatial frequency spectrum synthesizer
空间频率的滤波
spatial frequency filtering
地面－空间的空间VLBI观测量
SVLBI observations be tween space and ground
时间乘误差绝对值积分性能指标
integral of time multiplied by the absolute value of error(ITAE) performance criterion
采样频率误差
Sampling frequency offset
垂直空间频率
vertical spatial frequency
多普勒中心频率误差
Doppler center frequency error
非线性剩余频差
nonlinear residual frequency errors
概率的频率论
frequency theory of probability
干涉条纹的频率合成
frequency synthesize of interference patterns
高空间频率光栅
high-spatial-frequency grating