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。
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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