On the basis of CGH, it can encode two objects simultaneously by adding negative quadratic phase factor on the conjugate Fourier spectrum of one object and adding positive quadratic phase factor on the Fourier spectrum of the other.

 
  • 它是在計算全息的基礎上 ,通過(guò)對兩個(gè)物的傅里葉譜或共軛譜分別加正的或負的二次相位因子 ,求和后進(jìn)行編碼、制圖、縮微而得 ,該濾波器可以分別對兩個(gè)物實(shí)現匹配。
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