| 1. | The influence of aberration on measuring sensitivity in critical - angle method of total reflection for focus error detection was described 摘要分析了在临界角方法探焦技术中像差对测量灵敏度的影响。 |
| 2. | Before the angle is less than the critical angle , the reflect - coefficient is real number , when the angle reaches the critical angle , it is a complex number 入射角度到达临界角时,波在界面发射全反射。此时,反射系数不再是实数,而是复数。 |
| 3. | The relative phase shift between s - and p - light is a function of the incident angle , and changes highly with the incident angle in the vicinity of the critical angle S光与p光的相对相位差是入射角的函数,当入射角在临界角附近变化时,相对相位差会随着入射角高灵敏度变化。 |
| 4. | We simulate the practicality system to experimentalize , obtain the relation between defocus and focus error signal , make it a condition that na = 0 . 625 and n = 1 . 7979 并模拟实际系统,实验得出当临界角棱镜的折射率n = 1 . 7979 、物镜的数值孔径na = 0 . 625时,离焦量与离焦误差信号的关系曲线。 |
| 5. | The theoretical expression of the critical angle is acquired , showing that it rises with the increase of the depth and period of modulation of refractive index . also , it increases as the beam width decreases 从理论上得到了该临界角的表达式,它随折射率调制周期、调制深度的增加而增大,且光束越窄临界值越大。 |
| 6. | Secondly this paper study the seismic wave when it crosses the interface . when the seismic wave travel from a small wave - impedance into a big wave - impedance , the energy changes with the angle between the ray and interface 当地震波从波阻抗小的介质传播到波阻抗大的介质时,反射波的能量随入射角度变化,在临界角以内反射系数为实数。 |
| 7. | Studying the rule of the reflect - coefficient at the interface , simulating the seismic wave travel in the field beyond the critical angle , analyzing the wave polarity diversification , all the work provides a theory for the wide - angle reflection 通过研究反射系数在超临界角部分的规律,模拟地震波在超临界角的传播,分析了地震波的极性变化,为广角反射提供理论依据。 |
| 8. | According to the requirements of the cng on neutron flux , critical wavelength and distance between inpile guides and the cns , the relation between the source size and the critical angle of the coating material of the inpile guides as well as neutron flux at exit of the cngs have been studied 根据导管设计指标的需要,研究了冷源尺寸与堆内导管内壁镀膜材料的全反射临界角和导管系统出口处中子注量率的关系。 |
| 9. | This paper analyses the critical angle method that often use in focus detected . we receive two relations , the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal 本文针对伺服系统中常用的调焦方法-临界角方法进行了分析,理论上得到临界角棱镜的折射率、物镜的数值孔径与离焦误差信号的关系。 |
| 10. | 3 ^ the easiest damage area is outside of the tibial plateau and center and inboard of the complex according to the enlargement of the angle of exstrophy . exstrophy greater than 20 degree is possible critical angel of the beginning of damage and the precaution of complication after osteotomy 3 、随膝关节外翻角度增加,最易受损伤的部位位于外侧胜骨平台和外侧复合体中心和内侧,外翻大于20 ”可能为外翻应力破坏和截骨预防的临界角度。 |