Results 91 to 100 of about 802 (144)

用准导模法分析单模光纤的模耦合损耗

Guangtongxin yanjiu, 1991
本文用等效电流法将不规则的单模光纤看成是有源的理想光纤,求出极化电流场,并认为光纤损耗是由极化电流激发的准导模产生的。本文将准导模的概念用于等效电流法来求取单模光纤的模耦合损耗。这种方法脱离了耦合波的概念,但物理意义明确,方法简洁。
吴金良, 白崇恩
doaj  

[Application progress of innovative high resolution separation and analysis technology in food safety detection field]. [PDF]

Se Pu, 2023
Sun Y, Xie Y, Xu XL, Tan MQ, Zhang F.
europepmc   +1 more source

[Advances in Nanozyme-Aptamer Systems for the Detection of Foodborne Pathogens]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Liang H, Jia S, Zhan Z, Cai Y, Niu X.
europepmc   +1 more source

[Evaluation method and system for aging effects of autonomic nervous system based on cross-wavelet transform cardiopulmonary coupling]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Lyu J, Wang Y, Shi W, Tao P, Ye J.
europepmc   +1 more source

[Development and electrophysiological validation of a temporal interference transcranial magnetic stimulation system for mice]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Cui C, Wang T, Zhang Y, Zheng W, Xu G.
europepmc   +1 more source

[Progresses on temporal interference electromagnetic stimulation for non-invasive deep brain function modulation]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhou T, Yu P, Xu Y.
europepmc   +1 more source

微机电系统(MEMS)的研究进展 [PDF]

, 2003
孙道恒, 张玉德, 王明亮, 郑剑铭   +3 more
core  

[High stability enhanced ultrasonic microfluidic structure with flexible tip coupled bubbles]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Y, Zhou Y, Zhang W, Chen S, Liang S.
europepmc   +1 more source

[Modeling and finite element analysis of human trabecular meshwork outflow pathways]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Bao S, Sun Q, Chen S, Chen X, Peng X, Zhang J.   +5 more
europepmc   +1 more source

[Research progress on flexible wearable sensors for health monitoring]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Chen X, Xu G.
europepmc   +1 more source