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- Research on Subdividing Method for Random Phase Difference Fringe Signals[J]. 引用該論文 楚興春;呂海寶;杜列波;周衛紅.
- As a result, the random phase changes mentioned above occur much less frequently. 因此,上述的無規相位變化就很少出現。
- The paper presents encrpytion techniques of double random phase based on anamorphic fractional Fourier transform. 提出變形分數傅里葉變換雙隨機相位編碼技術。
- Therefore the zero-correlation phase plates are more effective than random phase plates for speckles smoothing. 因而, 用零相關相位板勻滑散斑是一種更為有效的方法。
- A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented. 提出了一種利用不對稱分數傅里葉變換和雙隨機相位編碼對圖像加密的方法。
- This paper proposes a progressive approach algorithm based on image cost function to compensate the random phase error in SAR/ISAR imagery. 本文提出逐級逼近演算法,基於圖像評價函數,對SAR/ISAR中的隨機干擾相位進行補償。
- 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論研究了高階厄米-高斯光束通過隨機位相片的變換。
- The computation of harmonics superposition becomes more complicated when harmonic currents are caused by multi-harmonic sources at random phase angel. 大量的非線性負荷應用在農村配電網中,在農網中出現了多諧波源的現象。
- The nonlinear coupling equation between wave ensembles with three modes is derived by the random phase approximation and the zero dissipation limit. 然後,在零耗散極限和無規相位近似下,求得了不同模態波包的非線性共振耦合方程。
- 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. 該方法還可對美國軌道線路五級譜和六級譜進行數值模擬,在隨機相位一致的情況下,直觀地反映出不同軌道線路譜等級在時域波形上的不平順差異水平。
- Conventional optical information encryption system can be divided into three kinds: double random phase encryption, iterative phase retrieve algorithm and digital holography. 常見的光學信息加密系統可以分為三類,一類是典型的雙隨機相位加密;
- Important of neutral line in the three phase feed 三相用電設備中的中性線重要性
- Three Phase Feed System and Ground Protection 三相供電系統及接地保護
- Experiments of the phase control null and random phase quantization in density weighted phased arrays are described. 敘述了在密度加權相控陣上進行的隨機饋相和波束置零實驗。
- Soiled dishes were piled at random. 臟碟子胡亂地堆放著。
- 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. 理論推導表明,隨機相位諧波過程時間平均三階累積量為非零值,而且其一維切片仍然是諧波過程。
- 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. 在研究雙隨機相位數據加密技術的基礎上,結合印刷技術和全息技術的特點,提出了一種基於傅里葉變換印刷全息標識防偽方法。
- 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,我們首次應用無規相(RPA)近似方法對耦合束展開過程進行簡化,計算了膠球態的質量和波函數,顯示出良好的標度性的結果。
- In this paper,the mode of resonator with Gaussian andsuper-Gaussian random phase modulation is analyzed and calculated numerically by the modal theory of coherence in spatial frequency domain. 本文利用空間-頻率域相干模式理論對內置高斯或超高斯類型的隨機相位調製的腔內模式進行了數值分析。
- The condensed phases such as charge density wave (CDW), spin density wave (SDV) and superconducting phases are predicted within the random phase approximation (RPA). 在無規周相近似(RPA)範圍內得到各種有序相:電荷密度波(CDW)、自旋密度波(SDW)及超導相存在的可能性,指出發生這些相變的條件。