phase-only filter 纯相位滤波器
phase-only pupil filter 位相型滤波器
phase only pupil filter 相位型光瞳滤波器
phase-only optical filter 相位滤波器
phase-only matched filter 纯位相匹配滤波器
unconstrained phase-only matched filter 非约束纯相位匹配滤波器
phase-only binary matched filter 纯相位二值化匹配滤波器
If the phase and frequency changes in the relationship is linear, then the filter would signal delay is only a constant number.
如果相位与频率的变化关系是线性的，那么滤波器仅仅会使信号延时一个常数量。
Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.
特别是三相四线制有源电力滤波器硬件结构简单，只有三组开关器件。
For overcoming the shortcoming, a phase-only optical filter is used to change the phase of annular zones of coherent extended source.
为了克服这个缺点，提出了使用相位滤波器改变相干面光源不同环区的相位。
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