Results 81 to 90 of about 67,946 (118)

[Visual object detection system based on augmented reality and steady-state visual evoked potential]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Guo M   +5 more
europepmc   +1 more source

直流配电系统闪变检测方法研究

open access: yesGaoya dianqi
与交流配电系统一样,表征直流配电系统特征指标的直流电压、直流电流也在时刻变化着且其变化幅度、变化频度均具有很强的随机性,导致接入电网的照明类负载灯光照度的随机变化,引起感受体—人对照度变化的视感即常说的闪变。相比于交流配电系统已有公认的、标准化的闪变测量方法,直流配电系统的闪变测量方法目前还处于研究探讨之中。文中基于直流配电系统的特点,在分析传统交流配电系统平方解调闪变测量方法的基础上提出了一种适用于直流配电系统的去平方解调闪变测量方法;仿真分析表明:该方法准确度高 ...
苏灿   +5 more
doaj  

[Preliminary analysis of the effect of individualized voice therapy on pediatric voice disorders]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Wang X, Cheng C, Liu D, Chen Y, Guan X.
europepmc   +1 more source

超高压直流绝缘子串的局部闪络特性

open access: yesDianci bileiqi, 1991
以直流±650kV绝缘子串局部闪络时的无线电噪音、电讯噪音、电晕噪音特性及其对策为重点进行了试验。其结果证明,要减少局部闪络 ...
doaj  

[Analysis of vocal characteristics in hypopharyngeal cancer patients with vocal cord dysfunction]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Liu X   +8 more
europepmc   +1 more source

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