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- 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。
- It is a high quality data encryption technology that the data are encrypted by double-random phase encoding with uniformly distributed random phase in both the input and Fourier planes. 在研究双随机相位数据加密技术的基础上,结合印刷技术和全息技术的特点,提出了一种基于傅里叶变换印刷全息标识防伪方法。
- Ciphertext-only attack on double random phase encoding optical encryption system 双随机相位编码光学加密系统的唯密文攻击
- Study on Encryption and Anti-counterfeiting Technique Based on Random Phase Encoding Algorithm 基于随机相位编码的加密与防伪技术研究
- Double random phase encoding 双随机相位编码
- Random phase encoding 随机相位编码
- In computer science, this is called phase encoding. 在计算机科学中,这被称作数据库。
- In computer science , this is called phase encoding . 在计算机科学中,这被称作数据库。
- In computer science , this is called phase encoding. 在计算机科学中,这被称作数据库。
- Research on Subdividing Method for Random Phase Difference Fringe Signals[J]. 引用该论文 楚兴春;吕海宝;杜列波;周卫红.
- Quaternary Phase Encoding and Decoding of Ultrashort Pulses at 40 Gb/s[J]. 引用该论文 陈小刚;元秀华;黄德修.
- As a result, the random phase changes mentioned above occur much less frequently. 因此,上述的无规相位变化就很少出现。
- Random wave front phase encoding 随机波前相位编码
- The paper presents encrpytion techniques of double random phase based on anamorphic fractional Fourier transform. 提出变形分数傅里叶变换双随机相位编码技术。
- Compared with other methods, the proposed phase encoding method has high and adjustable subdividing number. 与其他方法相比,该方法具有细分数高且任意可调的特点。
- Therefore the zero-correlation phase plates are more effective than random phase plates for speckles smoothing. 因而, 用零相关相位板匀滑散斑是一种更为有效的方法。
- According to the Program, a new OCDM technology of QPSK coherent phase encoding in time domain is considered to be studied. 结合项目实际情况,提出了基于QPSK的双极性时域相干OCDM新技术。
- This paper proposes a progressive approach algorithm based on image cost function to compensate the random phase error in SAR/ISAR imagery. 本文提出逐级逼近算法,基于图像评价函数,对SAR/ISAR中的随机干扰相位进行补偿。
- The transformation of Hermite Gaussian laser beam through random phase plate is discussed in detail by partial coherence theory in this paper. 本文利用部分相干理论研究了高阶厄米-高斯光束通过随机位相片的变换。
- The computation of harmonics superposition becomes more complicated when harmonic currents are caused by multi-harmonic sources at random phase angel. 大量的非线性负荷应用在农村配电网中,在农网中出现了多谐波源的现象。