Auto-focus technology and its application based on image processing
, 2009 Auto-focusing technique is an important method to improve the precision,intelligentization,automatization for the indentation diameter measurement.The paper introduces an auto-focus method of indentation diameter measurement based on image processing ...
Chen, Xiaomei, Yang, Tao, Zuo, Yong
core
, 2010 由于增加了液压蓄能环节,使独立稳定波浪能发电变得稳定。根据波量能发电的稳定性和蓄电池的充电特性,论述了基于DSP的全桥软开关直流变换器。该变换器主电路采用全桥零电压开关（ZVZCS）PWM拓扑结构,利用有限双极性控制,减少了开关损耗,提高了变换效率。控制电路采用模拟与数字电路相结合的控制策略,确保变换器的可靠性和灵活性。该变换器的输出稳定,功率大小可调,解决了波浪能发电与蓄电池充电特性不匹配的问题 ...
游亚戈 +3 more
core +1 more source
[A time-frequency transform and Riemannian manifold-based domain adaptation method for motor imagery in brain source space]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiQi Q, Li M.
europepmc +1 more source
Digital Image Compression Method based on Wavelet Theory
, 2007 图像压缩是图像处理领域的一个重要研究课题，在图像存储、传输等应用中发挥着至关重要的作用。小波变换具有多分辨率、时频局部性、能量集中能力强等众多优点，因此特别适合于图像压缩。图像压缩主要涉及到图像变换和编码两部分。本文的大部分工作是基于图像变换而展开的，在小波变换理论、基于小波的图像压缩算法理论及其实现、提升小波变换的FPGA实现、以及对两种小波变换算法的改进等方面进行了深入研究和探讨，具体研究内容如下： 1介绍论文的研究背景和意义，并简要介绍图像压缩和小波变换的基本知识和研究现状 ...
郭少伟
core
[Research progress on the acquisition technology of magnetocardiography]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiKang B +5 more
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 ZhiCui C, Wang T, Zhang Y, Zheng W, Xu G.
europepmc +1 more source
基于小波变换的反射光谱分析在蛇绿岩识别中的应用研究——以西准噶尔地区为例
, 2007 介绍了基于小波变换的反射光谱分析技术的基本理论和方法;运用此技术手段对克拉玛依市白碱滩区西侧地区40条岩石野外光谱曲线数据进行了定量处理,总结并分析了蛇绿岩套中常见典型岩石(基性混杂岩、辉长岩、橄榄岩、蛇纹石)的光谱特征及其产生原因。最后,结合ETM+波段范围提出了适用于西准噶尔地区多波段遥感影像光谱角(Spectral Angle Mapper,SAM)提取模型 ...
赵同阳 +4 more
core
[Cluster-guided adaptive Transformer for muscle fatigue prediction]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiFan B, Bao X, Ding L, Wu J.
europepmc +1 more source
[Comparative observation of analgesic efficacy between liposomal bupivacaine and "cocktail" therapy following artificial intelligence-assisted direct anterior approach total hip arthroplasty: A prospective randomized controlled study]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhai Y +8 more
europepmc +1 more source
[A case of Berry syndrome associated with <i>SOX11</i>-related Coffin-Siris syndrome type 9]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiWang Y, Wang Z.
europepmc +1 more source