, 2012 采用10°尖锥高超声速动态试验标模在JF-8A高超声速脉冲风洞中开展了轻模型悬线自由飞实验。采用高速摄像机记录模型的飞行姿态，由于模型的成功设计和制作，在28ms 的风洞准定常工作时间内得到了三个周期以上的角运动。采用最大似然法辨识得到了该模型的俯仰阻尼系数，其值与相近实验条件下从国内外其它设备所得结果相一致，从而验证了实验结果的可靠性，同时也表明了所发展的实验方法和测试系统切实可行 ...
苑朝凯 +3 more
core +1 more source
[Multi-scale motor imagery electroencephalogram classification framework with dynamic weighted multi-source domain alignment]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiKong X, Zhang P, Chen J.
europepmc +1 more source
[Multimodal assessment of lower limb muscle fatigue and variable stiffness impedance control method for exoskeletons]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLi R +7 more
europepmc +1 more source
本发明公开了一种微小型原位材料拉压试验方法，包括：完成材料试样拉压试验前的初始化准备工作；选择当前试验的类型：拉伸、压缩；控制系统控制直线运动机构全数字伺服电机系统正转或反转，防转盘限制升降杆只能向下或向上平移；材料试样进行拉/压的试验；未到达下一个预先设定的应力点时，控制系统向第三方DIC非接触全场应变测量系统发送触发信号；到达预先设定的下一个应力离散点的值时，停止直线运动机构、启动旋转运动机构、同时向第三方同步辐射X射线系统发送触发信号；解决了传动方法只能进行单调拉伸试验不能进行压缩试验 ...
张龙 +6 more
core +1 more source
[Design and implementation of a multi-protocol fusion wireless access point for internet of medical things]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLiu B +6 more
europepmc +1 more source
[Design and analysis of a serial ankle rehabilitation robot]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiDai Y, Tao Q, Liu C, Li G, Niu Y.
europepmc +1 more source
, 2008 本文采用UBF,AF和CSTR等三种不同的生物厌氧发酵装置对集约化养殖场的鸡粪废水进行了厌氧发酵产沼气的试验研究。研究表明,UBF和CSTR在稳定运行期的产气情况较好。沼气中甲烷含量随发酵进程而增长,各装置的气体甲烷含量均可超过65%,说明各试验装置运行良好,产气正常。三种厌氧发酵装置对鸡粪废水中CODcr的去除率较高,均可达到85 ...
李娜 +4 more
core
[Anterior cruciate ligament reconstruction with double-bundle artificial ligament based on four-dimensional impingement free mechanism: a comparative study with single-bundle reconstruction]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLi S, Yang K, Zhuang W, Lu W.
europepmc +1 more source
[40 Hz flicker light stimulation suppresses STING signaling to improve cognitive dysfunction in mice with Parkinson disease]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoRen Q +5 more
europepmc +1 more source
[Reliability-aware periodicity graph neural network for remote heart rate estimation]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiHuang C, Wang Y.
europepmc +1 more source