搜索结果: 1-15 共查到“知识库 TIME DOMAIN”相关记录57条 . 查询时间(0.127 秒)
A NOVEL COMBINED OPTICAL METHOD FOR OBJECTIVELY MAP SOIL IN A NEAR REAL TIME DOMAIN
Imaging Spectroscopy (IS) Penetrating Optical Sensing (POS) Soil mapping Near Infrared Analysis (NIRS)
2015/12/30
The present study demonstrates a new concept for mapping soil, toward developing a semi-automated method to in situ classify soil.The concept is based on use of optical sensors that operate from both ...
REAL-TIME AUDIO SOURCE SEPARATION BY DELAY AND ATTENUATION COMPENSATION IN THE TIME DOMAIN
REAL-TIME AUDIO SOURCE SEPARATION ATTENUATION COMPENSATION TIME DOMAIN
2015/9/29
There is increased interest in using microphone arrays in a variety of audio source separation and consequently speech processing applications. In particular, small arrays of two to four microphones a...
TOMOGRAPHIC SAR IMAGING OF A FORESTED AREA BY TIME-DOMAIN BACK-PROJECTION
SAR multi-baseline SAR tomography
2015/9/8
Recently, various attempts have been undertaken to retrieve information about the three-dimensional structure of vegetation from multibaseline
synthetic aperture radar data. Although tomographic proc...
Some considerations for different time-domain signal processing of pulse compression radar
code correlation ionosphere radar time domain
2015/8/28
Radar technology has for a long time used various systems that allow detection under high-resolution conditions, while emitting at the same time low peak power. Among these systems, transmitted pulse ...
Lightning and other atmospheric noise interferes with Loran signal reception. This paper develops techniques to improve signal availability under these conditions.
Time domain radiation and absorption by subwavelength sources
Time domain radiation absorption subwavelength sources elementary sources
2011/8/5
Abstract: Radiation by elementary sources is a basic problem in wave physics. Although computations of radiated fields in the time domain are textbook examples, the emitted energy flux is usually comp...
Reconfigurable Time-Domain De-multiplexing of Optical Signals at 40 Gb/s
Integrated optics devices Buffers couplers switches and multiplexers Nonlinear optical signal processing
2015/5/26
We experimentally demonstrate reconfigurable switching of four 10-Gb/s tributary channels of 40-Gb/s data using a programmable planar lightwave circuit and nonlinear wavelength conversion. Our device ...
Using Dispersion in a Fiber-Optic Loop to Perform Time Domain Analogue RF Signal Auto-Correlation
Using Dispersion Fiber-Optic Perform Time Domain Analogue RF Signal Auto-Correlation
2015/5/22
We present an RF-photonic time-domain auto-correlator using a dispersion-induced stepped-time-delay of the modulation sidebands produced by a fiber optic recirculation loop circuit. This allows spectr...
OTDM-WDM Conversion Based on Time-Domain Optical Fourier Transformation with Spectral Compression
Optical communications Nonlinear optics four-wave mixing.
2015/5/21
We propose a scheme enabling direct serial-to-parallel conversion of OTDM data tributaries onto a WDM grid, based on optical Fourier transformation with spectral compression.Demonstrations on 320 Gbit...
Determining wave propagation characteristics of MV XLPE power cable using time domain reflectometry technique
Cross-linked polyethylene distribution power cables time domain reflectometry propagation constant attenuation constant phase constant propagation velocity
2011/3/22
In this paper, the wave propagation characteristics of single-phase medium voltage (MV) cross-linked polyethylene (XLPE) power cable are determined using time domain reflectometry (TDR) measurement te...
Time domain numerical modeling of wave propagation in 2D heterogeneous porous media
porous media elastic waves Biot’s model time splitting
2011/3/2
This paper deals with the numerical modeling of wave propagation in porous media described by Biot’s theory. The viscous efforts between the fluid and the elastic skeleton are assumed to be a linear f...
Discontinuous Galerkin method for time-domain electromagnetics on curvilinear domains
Discontinuous Galerkin method time-domain electromagnetics curvilinear domains
2010/9/21
Discontinuous Galerkin method for time-domain electromagnetics on curvilinear domains.
Time-domain Analysis of FPSO-tanker Responses in Tandem Offloading Operation
FPSO tanker tandem offloading time-domain simulation
2011/9/9
Problems experienced during Floating Production, Storage and Offloading (FPSO) tandem offloading operations were investigated. The aim of this research was to improve the reliability of such systems, ...
Stealth Transmission of Time Domain Spectral Phase Encoded OCDMA Signal over WDM System
Fiber optics communications Optical security encryption
2015/6/9
1.25Gbps time domain spectral phase encoded OCDMA signal with 32-chip, 40Gchip/s optical codes has been stealthily transmitted over public 10Gbps WDM channel. Error-free transmission has been achieved...
640 Gbit/s Single-Polarization DPSK Transmission over 525 km with Time-Domain Optical Fourier Transformation in a Round-Trip Configuration
Fiber optics communications Multiplexing
2015/6/8
A 640 Gbit/s single-polarization DPSK signal was transmitted over 525 km in a single channel. Time-domain optical Fourier transformation in a round-trip configuration greatly enhanced the tolerance to...