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- The nonlinear coupling equation between wave ensembles with three modes is derived by the random phase approximation and the zero dissipation limit. 然后,在零耗散极限和无规相位近似下,求得了不同模态波包的非线性共振耦合方程。
- In addition, we simplify the coupled-cluster expansion by using the random phase approximation (RPA) and calculate the mass of glueball state and wavefunction.The results show good scaling property. 另外，我们首次应用无规相（RPA）近似方法对耦合束展开过程进行简化，计算了胶球态的质量和波函数，显示出良好的标度性的结果。
- The condensed phases such as charge density wave (CDW), spin density wave (SDV) and superconducting phases are predicted within the random phase approximation (RPA). 在无规周相近似(RPA)范围内得到各种有序相:电荷密度波(CDW)、自旋密度波(SDW)及超导相存在的可能性,指出发生这些相变的条件。
- random phase approximation method 无规相近似方法
- relativistic random phase approximation 相对论无规位相近似
- random phase approximation 随机相位近似
- 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.
- 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。
- 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。
- 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。
- 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。
- 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。
- Given the same random phase, the simulation of the sixth grade and fifth grade track irregularity PSD of U.S. railways shows the level of difference between them obviously. 该方法还可对美国轨道线路五级谱和六级谱进行数值模拟，在随机相位一致的情况下，直观地反映出不同轨道线路谱等级在时域波形上的不平顺差异水平。
- Conventional optical information encryption system can be divided into three kinds: double random phase encryption, iterative phase retrieve algorithm and digital holography. 常见的光学信息加密系统可以分为三类，一类是典型的双随机相位加密；
- Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
- Experiments of the phase control null and random phase quantization in density weighted phased arrays are described. 叙述了在密度加权相控阵上进行的随机馈相和波束置零实验。
- Theoretical derivation indicates that time averaged three-order cumulant of signals, which are from random phase harmonic processes, is nonzero and its one-dimension slice is also a harmonic process. 理论推导表明，随机相位谐波过程时间平均三阶累积量为非零值，而且其一维切片仍然是谐波过程。
- 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。
