Dr Lee Man Xin is an Associate Consultant with the Department of Emergency Medicine at Changi General Hospital.

Inside the vehicle, police said they found a 41-year-old man with stab wounds. Medical aid was provided but he later died from his injuries at CGH. The victim's name is being withheld until...

2025年2月28日 · We have more than 130 years of trusted health and compassionate care. Our medical experts are among the country’s best in primary care as well as in a wide-range of medical specialties, including neurosurgery, coronary artery bypass grafting, angioplasty, minimally-invasive robotic surgery, oncology, and many more.

当cgh检验校准技术应用于复杂曲面检测时，主要存在以下三个方面的关键技术问题: (1)cgh 相位补偿面的设计; (2)全息微结构的高精度制造; (3)cgh 检测波前的不确定度评价。 cgh 相位补偿面的设计通常采用正向优化设计和逆向追迹设计两种方案。

2023年6月15日 · MacGovern 和J. C. Wyang提出在干涉测量中使用 计算全息 (Computer Generated Holograms, CGH)对非球面进行检测，随后该技术在高精度光学元件检测（非球面、自由曲面、柱面镜等）中得到了广泛的应用。 当利用干涉原理对被测面的面形进行检测时，需要一个与其匹配的参考面。 通常干涉仪厂家只会提供标准平面镜头和球面镜头，因此只能对平面或球面进行直接测量，无法对非球面、自由曲面、柱面等直接干涉测量。 这时候就需要用到补偿器对 …

2024年8月11日 · When they arrived, police say they saw a man inside the crashed car with stab wounds. The man later died from his injuries at CGH Medical Center. During an investigation, officers found...

Shortly after midnight, Sterling Police say officers responded to a crash in the parking lot of CGH Medical Center. Inside the crashed vehicle, police say officers found a 41-year-old man with...

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2020年12月11日 · 1971 年， A. J. MacGovern 和 J. C. Wyang 提出使用计算全息 (Computer Generated Holograms, CGHs)进行光学元件零位检测，而后 Yuchun Zhao 和 James Burge 等人对该检测技术进行了系统且深入的研究，随后该技术在非球面检测高精度领域得到广泛应用。 该检测方法与零位补偿器检测法相同，通过计算全息图的光学波前被全息条纹衍射成为一束相位被“整形”的光学波前，变成与待测光学表面形状一致的光学波前，实现零位补偿功能， 为光学元件面 …