A nonconforming H~1-Galerkin mixed finite element method is analyzed for Sobolev equations on anisotropic meshes.The error estimates are obtained without using Ritz-Volterra projection.
We introduce a general iterative scheme for angle-limited image reconstruction based on Landwebers method.We derive a representation formula for this scheme and consequently establish its convergence
We present a novel algorithm for adaptive triangular mesh coarsening. The algorithm has two stages. First, the input triangular mesh is refined by iteratively applying the adaptive subdivision operato
We present a robust mesh sharpening approach to reconstructing sharp features from blended or chamfered features, even with noise and aliasing errors. Feature regions were first recognized via normal
Fourier-domain rapid scanning optical delay line (RSOD) was introduced for phase modulation and depth scanning in a time-domain optical coherence tomography (TD-OCT) system. Investigation of parameter
Xuande Copper Diamond Bell and Diamond ClubThis set of bell and club was a ritual instrument donated to Tibet by the Ming Central Government in the period of Emperor Xuandes reign (1426-1435). In the
A new architecture of digital processors for passive UHF radio-frequency identification tags is proposed. This architecture is based on ISO/IEC 18000-6C and targeted at ultra-low power consumption. By
A displacement sensor based on the fiber Fabry-Perot (F-P) cavity was proposed in this paper. Theoretical and experimental analyses were presented. Displacement resolution was demonstrated by spectrum