The paper puts forward a new non-contact digital measuring method of rotational speed based on the synchronization principle of the frequency of high voltage stroboscopic lighting and rotational speed.
基于高压频闪灯闪光频率与被测物体转速同步的原理,提出一种新的非接触数字旋转测速方法,分析了测速原理,给出测速系统的具体实现方案,并进行了硬件设计和软件分析。
Based on theory of strobe imaging the EL6249C is used to design a set of strobe driving circuit to drive high light LED to generate strobe light for MEMS dynamic test.
文中根据频闪成像原理 ,利用EL6249C设计了一套频闪驱动电路 ,该驱动电路可驱动高亮LED ,以产生MEMS动态测试中所需的频闪光 ,为后续MEMS器件的动态特性提取和分析做准备。
Objective Registration flicker on eye fundus images that were screened in different time is important for ophthalmologist to study the glaucoma,diabetic retinopathy.
目的对同一患者在不同时间拍摄的眼底图像,通过寻找合适的眼底图像对位频闪方法,以期有助于眼科医生对青光眼、糖尿病性视网膜病变等疾病的诊断。
The asthenopia after using 4 types of fluorescent lamps with different flicker rate was examined.
本研究以视力正常的健康青年人为受试对象，测试使用不同频闪的荧光灯时，视觉疲劳出现的情况。
Measurements of tiny current and stroboscopic effect by oscilloscope;
微电流及频闪的示波器测量
Consulting the relevant provisions of standards for highway tunnel or underground construction,the lighting design of the city traffic tunnel is discussed carefully,and the methods of determination luminance,collocating lamps,avoiding glare and stroboscopic effect,saving energy,and so on for the lighting design of the city traffic tunnel,has been proposed in the paper.
由于现行规范中没有针对城市地下交通隧道设计方面规范,本文借鉴与城市地下交通相近的规范条文,对城市地下交通隧道照明设计进行了探讨,提出了城市地下交通隧道照明设计中的照度确定、灯具布置、眩光处理、频闪、照明节能等问题解决方法。