相位的

Gain Bandwidth of Periodically Poled RbTiOAsO4 in Noncollinear Quasi-Phase Matching.

非共线准相位匹配周期极化RbTiOAsO4的增益带宽。

Noncollinear second-harmonic-generation processes involving an unfocused laser ham and itS scattered radiation produce one or more cones of phasematched second harmonic.

激光束与其散射光束在晶体中发生非线性和频作用，在满足非共线相位匹配条件时，可观察到二次谐波环的现象。

The 20 mm long KTA crystal cut for typeⅡ noncritical phase matching was adopted as the nonlinear crystal parametric converter in this experiment.

激光基质材料采用Nd：YVO4晶体，采用按Ⅱ类非临界相位匹配切割、长20 mm的KTA晶体作为非线性光学晶体。

Focusing properties of Gaussian beam induced by nonspiral and spiral phase plates are investigated numerically.

研究了高斯光束经过非螺旋和螺旋两种相位片后的聚焦性质。

In view of this problem,a parameter extremum optimization model is developed,in which such error factors as the decaying DC components,nonsynchronous sampling and harmonics are precisely depicted.A new measuring method based on the hybrid genetic algorithmis developed to use this model for finding accurate power system parameters such as the amplitude,phase,frequency and harmonics.

针对这一问题，建立了电力参数极值优化模型，同时对衰减直流分量、非同步采样及谐波等多个误差参数加以精确表示，利用混合遗传算法对该模型进行求解，可得到准确的系统幅值、相位、频率及谐波等电力参数。

During the design of perforated liner casing, small phase angle and proper larger diameter and density of perforation are adopted and initial ovalization is constrained strictly in order to improve the collapse pressure and area of passage.

建议在实际煤层气完井筛管设计过程中，采用小相位角，严格控制初始椭圆度，适当增加射孔直径和射孔密度，以达到提高筛管抗挤强度和增加过流面积的目的。

For the second scheme a novel phasemeter with high performance is presented, which lays the foundation for developing the MUM pickoff system with high accuracy.

对于第二种方案提出了一种新的相位精密测量电路，为研制高精度转子质量不平衡信号器奠定了基础。

Moreover, it decreased the possibility of phasic errors generated by the system.

减少了雷达系统的相位误差。

The encode law that gets phasic encode signal is passive to only station fixed position and it is very important to dog.

获取相位编码信号的编码规律对单站无源定位和跟踪十分重要。

Proceeding of the 1996 International Geoscience and Remote Sensing Symposium, Lincoln NE, May 27～31, 1996, IEEE, Piscataway, NJ, 2057～2059

张婷，路元刚，张旭苹，&基于边缘检测的最小不连续相位展开算法&，光学学报 29，

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。