搜索结果: 1-15 共查到“Modulation”相关记录162条 . 查询时间(0.434 秒)
Chiral Metamaterial Produces Record Optical Shift Under Incremental Power Modulation
Chiral Metamaterial Produces Record Optical Shift Under Incremental Power Modulation
2017/3/1
Georgia Institute of Technology researchers have demonstrated an optical metamaterial whose chiroptical properties in the nonlinear regime produce a significant spectral shift with power levels in the...
Modulation of STAT3 folding and function by TRiC/CCT chaperonin.
Modulation STAT3 folding function TRiC/CCT chaperonin
2015/12/11
Signal transducer and activator of transcription 3 (Stat3) transduces signals of many peptide hormones from the cell surface to the nucleus and functions as an oncoprotein in many types of cancers, ye...
on-orbit modulation transfer function estimation for bilsat imagers
Modeling Resolution Optical Sensors Small satellites Cal/Val
2015/9/1
BiLSAT, launched to its sun-synchronous orbit on 27.09.2003, is a 129 Kg small satellite carrying a panchromatic ca...
Dopamine Modulation of Two Delayed Rectifier Potassium Currents in a Small Neural Network
Potassium Currents Small Neural Network
2015/8/25
Gruhn, Matthias, John Guckenheimer, Bruce Land, and Ronald
M. Harris-Warrick. Dopamine modulation of two delayed rectifier potassium
currents in a small neural network. J Neurophysiol 94: 2888–2900,...
As CMOS 160Mb/s Phase Modulation I/O Interface Circuit
CMOS Phase Modulation I/O Interface Circuit
2015/8/14
As CMOS 160Mb/s Phase Modulation I/O Interface Circuit.
On Incremental Sigma-Delta Modulation with Optimal Filtering
Sigma-Delta (Σ∆ ) incremental A/D converter optimal filter Σ∆ transfer function time-domain analysis
2015/8/12
The paper presents a quantization-theoretic framework for studying incremental Σ∆ data conversion systems. The framework makes it possible to efficiently compute the quantization intervals and h...
Optimizing adaptive modulation in wireless networks via utility maximization
Adaptive modulation network power physical layer electric power the interest rate
2015/8/10
We investigate adaptive modulation using the network utility maximization framework. We derive new crosslayer optimal power and rate adaptation policies for several practical modulation schemes. The b...
Optimizing adaptive modulation in wireless networks via multi-period network utility maximization
Wireless network control strategy the network traffic data video function
2015/8/7
We present a crosslayer technique to find and characterize optimal control policies for wireless networks operating at different time scales at the upper layer and physical layer. The technique can al...
Adaptive modulation with smoothed flow utility
A wireless connection data flow trade smooth data traffic application
2015/8/7
We consider the problem of choosing the data flow rate on a wireless link with randomly varying channel gain, to optimally trade off average transmit power and the average utility of the smoothed data...
Robust Voice Activity Detector for Real World Applications Using Harmonicity and Modulation frequency
voice activity detection modulation frequency harmonicity human-robot interaction
2014/11/27
The task of robustly detecting distant speech in low SNR environments for automatic speech recognition is examined using a two-stage approach based on two distinguishing features of speech, namely har...
Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation and Transmission of 256-Gb/s PDM-16QAM Modulation Format
Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation Transmission of 256-Gb/s PDM-16 QAM Modulation Format
2014/11/6
We demonstrate, using a compact InP-based integrated assembly of a tunable laser and a double-nested Mach-Zehnder modulator, generation of Nyquist-prefiltered QPSK and 16-QAM signals at 32-Gbaud. We t...
Wavelength-tunable QAM Synthesis by Direct Modulation of Injection-locked Fabry-Perot Semiconductor Lasers
Wavelength-tunable QAM Synthesis Direct Modulation Injection-locked Fabry-Perot Semiconductor Lasers
2014/11/6
A new scheme for direct and tunable (30nm shown here) QAM synthesis from binary RF data streams is demonstrated with up to 48Gbit/s QPSK, including propagation over 75km SMF-28. Preliminary 16QAM (60G...
Controlling the Flow of Light Using the Inhomogeneous Effective Gauge Field that Emerges from Dynamic Modulation
Inhomogeneous Effective Gauge Field Dynamic Modulation
2013/8/7
We show that the effective gauge field for photons provides a versatile platform for controlling the flow of light. As an example we consider a photonic resonator lattice where the couplin...
We present a dynamical analysis of lossless intensity modulation in two different ring resonator geometries. In both geometries, we demonstrate modulation schemes that result in a symmetrical output w...
Photonic Aharonov-Bohm Effect Based on Dynamic Modulation
Photonic Aharonov-Bohm Effect Dynamic Modulation
2012/8/7
We show that when the refractive index of a photonic system is harmonically modulated, the phase of the modulation introduces an effective gauge potential for photons. This effective gauge potential c...