提出变形分数傅里叶变换双随机相位编码技术。
The paper presents encrpytion techniques of double random phase based on anamorphic fractional Fourier transform.
基于传统的随机相位编码技术，提出了一种新的相息图量化编码方法。
A new phase quantization method of a phase hologram based on conventional random-phase encoding technique is proposed.
提出一种利用变形分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using anamorphic fractional Fourier transform and double random phase encoding is proposed.
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented.
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical encryption technique based on double random phase computer-generated hologram of asymmetry fractional Fourier transform is presented.
论文给出了分析随机波前相位编码体光栅选择性衍射的一种方法。
A diffraction selectivity theoretical analysis method of volume gratings with wave front phase encoding is proposed.
提出了一种基于双随机相位的图像实值编码方法，该方法可应用于光学图像加密。
The double random phase real-value encryption and decryption method is proposed for the optical image security system.
信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。
Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.
该方法对图像分别进行一次菲涅耳变换和分数傅里叶变换，并在图像的菲涅耳域和分数傅里叶域上分别利用随机相位版施行相位编码。
In this paper, image is Fresnel transformed and Fractional Fourier transformed successively, and phase encoding is implemented in both Fresnel domain and Fractional Fourier domain.
基于相干光的相位编码OCD MA技术依靠光信号的相位变化，利用伪随机序列来编解码。
Based on coherent optical phase encoding OCDMA techniques rely on phase changes optical signals, using pseudo-random sequence for encoding and decoding.
基于相干光的相位编码OCD MA技术依靠光信号的相位变化，利用伪随机序列来编解码。
Based on coherent optical phase encoding OCDMA techniques rely on phase changes optical signals, using pseudo-random sequence for encoding and decoding.
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