Results 81 to 90 of about 14,304 (132)

基于磁通补偿的新型有源电力滤波器的暂态特性分析

Gaoya dianqi, 2012
笔者提出一种新型单相并联混合型电力滤波方案。该方案采用磁通补偿原理和谐波电流分流技术,可以进一步降低APF所需容量,并有效改善滤波系统的性能。为分析该方案的相关特性,文中建立了它的稳态及暂态过程数学模型。重点分析PID控制器比例、积分、微分参数kp、ki、kd对暂态过程中的滤波特性和APF所需容量的影响,分析结果表明,控制器参数设置对滤波器暂态特性有重要影响,该分析为PID参数的设计提供了一定的理论参考。
刘卫民, 樊越甫, 刘方
doaj  

[A high temporal resolution dynamic T₂*W imaging study based on step oxygen stimulation of rat kidneys]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Sun S, Tao Q, Zhao K, Hu Q, Feng Y.
europepmc   +1 more source

[Localizing target for transcranial electrical stimulation in epilepsy patients combining scalp electroencephalogram and neural computational model]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Y, Li C, Han Y.
europepmc   +1 more source

[Shape-aware cross-modal domain adaptive segmentation model]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Y, Qi L, Diao Z, Feng G, Li Y, Jiang Z.   +5 more
europepmc   +1 more source

[Exposures to volatile organic compounds are positively correlated with risks of metabolic dysfunction-associated steatotic liver disease]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Li K, Zeng W, Zhang Y, Zhu X, Guo B.
europepmc   +1 more source

[Comparative study on the accuracy of extraoral scanning versus intraoral scanning in digital impressions for implant restoration in edentulous jaws]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Yang Y, Li X, Shang X, Shan S, Li W, Qin Q, Wang Y, Zhao Y.   +7 more
europepmc   +1 more source

[Evaluation of an interpretable 12-lead ECG automatic diagnosis model based on deep feature fusion]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Lu X, Chen H, Wu Q, Wen Y, Liu G, Chen C.   +5 more
europepmc   +1 more source

[Development of dynamic multi-time-point clinical prediction models for bronchopulmonary dysplasia in preterm infants with gestational age < 32 weeks]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Li W, Zhang XF, He XR, Wang T, Hu JT, Li W, Dong QY, Gong XY, Yang YH, Chen PY.   +9 more
europepmc   +1 more source

[Methodological appraisal of statistical approaches to evaluating the impact of chronic graft-versus-host disease on mortality after hematopoietic stem cell transplantation]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Wu JJ, Wang JF.
europepmc   +1 more source

[Preoperative serum magnesium as a biomarker for predicting delirium following non-cardiac surgery in elderly patients: a retrospective cohort study]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Yuan M, Ruan X, Li Y, Zhang T, Hao C, Li H, Lou J, Cao J, Liu Y, Mi W, Zhang X.   +10 more
europepmc   +1 more source