搜索结果: 1-15 共查到“光学仪器及技术 method”相关记录15条 . 查询时间(0.14 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：The spectral collocation method for the nonlocal problem with weak singularity
弱奇点 非局部问题 光谱搭配
2023/5/6
介绍求解一维弱奇异非局部扩散问题的谱配位法，建立了相应的Gauss-Jacobi 积分公式，并将其推广至高维非局部问题的谱配置点法，相关的理论与实验检验了算法的精度和渐进相容性。
A HYPERSPECTRAL BASED METHOD TO DETECT CANNABIS PLANTATION IN INACCESSIBLE AREAS
EO-1 Hyperion Hyperspectral data preprocessing Cannabis Morocco Spectral Angle Mapper (SAM)
2018/5/14
The increase in drug use worldwide has led to sophisticated illegal planting methods. Most countries depend on helicopters, and local knowledge to identify such illegal plantations. However, remote se...
A BAND SELECTION METHOD FOR HIGH PRECISION REGISTRATION OF HYPERSPECTRAL IMAGE
Hyperspectral Image High Spatial Resolution Image Registration CRLB Theory Band Selection Algorithm
2018/5/16
During the registration of hyperspectral images and high spatial resolution images, too much bands in a hyperspectral image make it difficult to select bands with good registration performance. Terrib...
INCORRECT MATCH DETECTION METHOD FOR ARCTIC SEA-ICE RECONSTRUCTION USING UAV IMAGES
Unmanned Aerial Vehicle Digital Surface Model Image Matching Arctic Sea-Ice
2018/6/4
Shapes and surface roughness, which are considered as key indicators in understanding Arctic sea-ice, can be measured from the digital surface model (DSM) of the target area. Unmanned aerial vehicle (...
Synthesis and Luminescent Properties of LuAG∶Ce3+ Transparent Ceramics by Solvo-Thermal Method
Solvo-thermal LuAG∶Ce3+ Transparent ceramics
2011/5/13
The precursor powders of LuAG∶Ce3+ transparent ceramics were synthesized by solvo-thermal method. The crystal structure and morphology of powders were analyzed by means of Fourier transform infrared s...
Novel OSA-Based Method for In-Band OSNR Measurement
Networks wavelength routing Metrological instrumentation
2015/6/4
A new approach for in-band OSNR measurements in narrow DWDM channels is described, which is robust to PMD and enables rapid measurement of accurate OSNR values of>20 dB without need for polarization e...
(Invited) Stencil Field-Sequential Color Method for Color Breakup Suppression on 180Hz LCD-TV
2011/12/16
We proposed the “180Hz Stencil-FSC” method to suppress color break-up (CBU) in field-sequential color (FSC) LCDs.Applying local color-backlight-dimming technology to FSCLCDs,a “green-based multi-color...
Color Breakup Reduction by 180Hz Stencil-FSC Method In Large-Sized Color Filter-Less LCD-TVs
2011/12/16
We proposed the “180Hz Stencil-FSC” method to suppress color break-up (CBU) in field-sequential-color (FSC) LCDs. Applying local color-backlight-dimming technology to FSC- LCDs, a “green-based multi-c...
Distinguished Student Paper: Two-Color-Field Sequential Method for Color-Filter-Free MVA-LCDs
2011/12/16
A novel displaying method, two-color-field driving scheme, was proposed for field-sequential-color LCDs without color filters. The least number of fields alleviated the demand for fast response LC mod...
Segment Color Control (SCC) Method for Color Controlled Backlight of High Dynamic Range LCD-TVs
2011/12/16
A high-dynamic-range liquid crystal display (HDR-LCD) can much enhance the contrast ratio of image and reduce power consumption by using locally controlled dynamic backlight. A novel method, segment c...
Low Cost Multi-Impairment Monitoring Technique for 43 Gbps DPSK and 86 Gbps DP-DPSK Using Delay Tap Asynchronous Sampling Method
Multi-Impairment Monitoring Technique DPSK DP-DPSK
2015/7/17
We present a novel low cost method of multi-impairment monitoring for 43 Gbps DPSK using delay tap asynchronous sampling with 12 GHz receivers. This technique is also demonstrated for 86 Gbps DP-DPSK ...
Delta-Color Adjustment (DCA) Method for Color Controlled Backlight of High Dynamic Range LCD-TVs
2011/12/16
A high-dynamic-range liquid crystal display (HDR-LCD) can much enhance the contrast ratio of image and reduce power consumption upon the locally controlled dynamic backlight.Delta-color adjustment(DCA...
Wafer Surface Charge Reversal as a Method of Simplifying Nanosphere Lithography for Reactive Ion Etch Texturing of Solar Cells
Simplifying Nanosphere Lithography Solar Cells
2008/10/30
A simplified nanosphere lithography process has been developed which allows fast and low-waste maskings of Si surfaces for subsequent reactive ion etching (RIE) texturing. Initially, a positive surfac...
Method for sensitivity analysis of photonic crystal devices
sensitivity analysis photonic crystal devices
2015/8/11
We present a new method for sensitivity analysis of photonic crystal devices. The algorithm is based on a finite-difference frequency-domain model and uses the adjoint variable method and perturbation...
Designing for beam propagation in periodic and nonperiodic photonic nanostructures: Extended Hamiltonian method
beam propagation nonperiodic photonic nanostructures Extended Hamiltonian method
2015/8/11
We use Hamiltonian optics to design and analyze beam propagation in two-dimensional (2D) periodic structures with slowly varying nonuniformities. We extend a conventional Hamiltonian method, adding eq...