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- The effect of obscuring ratio on the beam spreading was analyzed.The results show that the obscuring ratio has obvious influence on the beam spreading in weak turbulence. 结果表明,对于均强聚焦光束湍流大气传输,在弱湍流效应条件下,光斑扩展受遮拦比影响较大;
- The computational results of strong scintillation with weak turbulence but long propagation length indicate that the number of branch points in distorted optical field has a tendency to saturation. 另外,通过对湍流较弱但传输路径较长的强闪烁条件下畸变光场中出现的相位不连续点数目的计算发现,当湍流效应达到一定程度时,相位不连续点的数目有达到饱和的趋势。
- It is showed that the optimal mode number was associated with the signal to noise ratio (SNR), and the Hartmann sensor was suffered from measurement noise severely in the condition of weak turbulence. 分析了一个哈特曼传感器对实际大气湍流畸变波前的测量结果,给出了确定传感器测量噪声的方法。
- It is showed that the optimal mode number was associated to the signal to noise ratio (SNR), and the Hartmann sensor was suffered from measurement noise severely in the condition of weak turbulence. 分析了一个哈特曼传感器对实际大气湍流畸变波前的测量结果,给出了确定传感器测量噪声的方法。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- He cannot run because he has a weak heart. 他有心脏病,不能跑。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
- In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用。
- He is weak with hunger, so I have to support him. 他饿得没有力气,我得搀着他。
- He pushed a weak student through the exam. 他帮助一位成绩差的学生通过了考试。
- He was too weak even to lift his hand. 他虚弱得连手都抬不起来。
- We experienced some slight turbulence flying over the Atlantic. 我们飞越大西洋时,遇到一点不稳定的气流。
- Her health varies from good to rather weak. 她的健康状况变化不定,有时良好,有时相当差。
- Suddenly she was scared to death of clear air turbulence. 她突然之间被晴空乱流吓死了。
- Weak foundations caused the house to subside. 由于地基不牢,这所房子已下陷。
- The patient is too weak to speak. 病人太衰弱了,不能说话。