搜索结果: 1-14 共查到“工学 bi-directional”相关记录14条 . 查询时间(0.051 秒)
MEASUREMENTS AND MODELLING OF BI-DIRECTIONAL REFLECTANCE OF WHEAT: PROSAIL VALIDATION RESULTS
Bi-Directional Reflectance Radiative Transfer Model
2015/8/28
In this study, an attempt has been made to define the geometry of sensor and source position to
best relate plant biophysical parameters with bidirectional reflectance of wheat varieties varying in
...
BI-DIRECTIONAL REFLECTANCE DISTRIBUTION FUNCTION (BRDF) RETRIEVALS FROM LABORATORY MULTIANGLE MEASUREMENTS
Bi-Directional Reflectance Distribution Function multiangle observation hyperspectral instrument data processing parameter retrievals
2015/5/29
Theoretical investigations and intense experimental activity have being devoted to study the geometricalproperties of reflection from a surface, that is expressed in terms of Bi-Directional Reflectanc...
Bi-Directional Vector Variable Gain Amplifier for an X-Band Phased Array Radar Application
variable gain phased array complex gain bi-directional amplifier quadrature
2014/12/8
This thesis presents the design, layout, and measurements of a bi-directional amplifier with variable vector (in-phase / quadrature) gain control that will be part of an electronically steered phased ...
We propose a novel dispersion-free interleaver using optical delay lines by accurately locating the zeros in the transfer function. It has been implemented with the design of interleaver pairs with th...
Full Standard Triple-Play Bi-Directional and Full-Duplex CWDM Transmission in Passive Optical Networks
Fiber optics optical communications All-optical networks
2015/5/25
Bi-directional CWDM radio-over-fiber transmission of triple-format full-standard OFDM signals in coexistence (UWB, WiMAX and LTE) (1.178 Gbit/s full-duplex) is demonstrated over 50.6 km SSMF in passiv...
Field Demonstration of Bi-directional Millimeter Wave RoF Systems Inter-operable with 60 GHz Multi-gigabit CMOS Transceivers for In-building HD Video and Data Delivery
Optical communications Radio frequency photonics
2015/5/21
We demonstrate, for the first time, a bi-directional in-building radio-over-fiber access network to deliver multi-gigabit, high-definition video and data services using all-optical conversion at the h...
Novel Analyzing Model of Bi-Directional OTDR Measurement in a Hole-Assisted Fiber
Bi-Directional OTDR Measurement Fiber Hole-Assisted
2015/5/18
A novel analyzing model of bi-direction OTDR measurement in a hole-assisted fiber (HAF) is proposed. Using this model, both information on the air-hole structure and air-hole surface roughness in a HA...
“Real World” FTTH Optical-to-Radio Interface Performance for Bi-directional Multi-Format OFDM Wireless Signal Transmission
Real World FTTH Optical Radio Interface Performance Bi-directional OFDM Wireless Signal Transmission
2015/5/18
The optical-to-radio and radio-to-optical interfaces in fiber-to-the-home access networks were evaluated for LTE, WiMAX and UWB simultaneous distribution. Successful bi-directional transmission was ac...
Improved Aggregated Impairment Information for Bi-directional Lightpath Establishments
Fibre optics an optical communication All-optical networks
2015/6/8
We propose a set of physical parameters for GMPLS signaling to establish bi-directional paths.This reduces the amount of flooded information and speeds-up the path establishment while keeping its risk...
10Gb/s Bi-directional Symmetric WDM-PON System based on POLMUX Technique with Polarization Insensitive ONU
Optical communications Networks
2015/6/4
We demonstrated 10Gb/s bi-directional symmetric transmission based on polarization-division multiplexing with a centralized light source. One of two orthogonal polarization states carries downstream d...
A 3D Auto-Regressive Model for Bi-Directional Prediction
3D AR bi-directional prediction nonlinear least squares
2013/7/16
In this paper, a 3D auto-regressive (AR) model is proposed for bi-directional prediction. The prediction is composed of two 3D AR models, which are along the forward and backward directions, respectiv...
EXPERIMENTAL STUDY OF REINFORCED CONCRETE BRIDGE PIERS SUBJECTED TO BI-DIRECTIONAL QUASI-STATIC LOADING
bi-directional cyclic loading RC column members plastic hinge zone length energy dissipation
2008/12/26
This research aims to determine the effect of loading pattern on the damage of a reinforced concrete bridge column. Five specimens were tested with uni-directional or bi-directional cyclic loading pa...
Bi-directional, 480Mbps, Ultra-Wideband, Radio-over-Fibre Transmission Using a 1310/1564nm Reflective Electro-absorption Transducer and Commercially-Available Components
Ultra-Wideband Radio-over-Fibre Transmission Reflective Electro-absorption Transducer Commercially-Available Components
2015/7/31
We present the first experimental demonstration of a bi-directional, reflective, electro-absorption transducer-based, 480 Mbps UWB-wireless/optical transmission system. A -21.4dB error vector magnitud...
Influence of oil dispersed in seawater on the bi-directional reflectance distribution function (BRDF)
oil seawater phase function radiance modelling
2011/4/26
The bidirectional reflectance distribution function (BRDF) of the sea areas polluted by oil-in-water emulsion has been studied at the ends and in the centre of the visible light spectrum. The Monte Ca...