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Bilingual Preschoolers Have Better Impulse Control,Study Finds（图）
Bilingual Preschoolers Impulse Control
2017/11/23
Preschoolers who speak two languages show less impulsiveness than their single-language peers, say UO researchers whose project was seeded after they met in a graduate psychology course.The UO study, ...
Force-Velocity, Impulse-Momentum Relationships: Implications for Efficacy of Purposefully Slow Resistance Training
Impulse momentum purposefully slow time-under-tension
2015/4/8
The purpose of this brief review is to explain the mechanical relationship between impulse and momentum when resistance exercise is performed in a purposefully slow manner (PS). PS is recognized by ~1...
2014年9月11日下午，瑞士“太阳能动力号”（Solar Impulse）公司首席执行官、联合创始人兼飞行员安德烈·博尔施伯格（Andre Borschberg）、宣传与市场总监格雷戈里·布莱特（Gregory Blatt）及中国顾问李晓玲博士一行访问北京航空航天大学，瑞士驻华大使馆文化与新闻处主任裴雅珍（Jenny Piaget）、科技与教育处副主任乔谋（Fabio Molo）陪同来访。北京航...
Stochastic differential games involving impulse controls and double-obstacle quasi-variational inequalities
Stochastic differential game Impulse control Quasi-variational inequality Viscosity solution
2012/6/25
We study a two-player zero-sum stochastic differential game with both players adopting impulse controls, on a finite time horizon. The Hamilton-Jacobi-Bellman-Isaacs (HJBI) partial differential equati...
英柏斯（Impulse）激光测距仪，测量快速、操作简单、免棱镜，广泛应用于电力、通信、环保、林业、矿业、水利、警务、消防、爆破、航海、铁路等领域 。
Robust BPSK Impulse Radio UWB-over-Fiber Systems Using Optical Phase Modulation
Coherent communications Radio frequency photonics
2015/5/22
The impact of fiber dispersion on the performance of optical phase modulated impulse-radio-ultrawideband (IR-UWB) signals is experimentally investigated. 2Gbps BPSK IR-UWB over 78km fiber transmission...
Beyond 2.5Gb/s Photonic Generation and Wireless Transmission of Different Pulse Modulation Formats for a High Speed Impulse Radio UWB over Fiber System
Fiber optics communications Radio frequency photonics
2015/5/22
We experimentally demonstrate beyond 2.5Gbps photonic generation of different pulse modulation formats for impulse radio ultra-wideband (IR-UWB) over fiber application. IR-UWB transmission over 20km f...
Precise Spectral and Impulse Response Characterization of Broadband Super Structured FBGs by Multi-Scan OSSB
Precise Spectral Impulse Response Characterization FBGs Multi-Scan OSSB
2015/5/15
We demonstrate a broadband optical single side band (OSSB) measurement by merging multiple RF scans. We provide a chip by chip optical phase measurements on a Super Structured FBG designed for Coheren...
Stochastic impulse control on optimal execution with price impact and transaction cost
Price impact impulse control dynamic programming vis-cosity solutions
2011/3/30
We study a single risky financial asset model subject to price impact and transaction cost over an finite time horizon. An investor needs to execute a long position in the asset affecting the price of...
DNS-based measurement of the mean impulse response of homogeneous isotropic turbulence
DNS-based measurement impulse response isotropic turbulence
2010/11/16
A technique for measuring the mean impulse response function of stationary homogeneous isotropic turbulence is proposed. Such measurement is carried out here on the basis of Direct Numerical Simulati...
Bidirectional 3.125 Gbps Downstream / 2 Gbps Upstream Impulse Radio Ultrawide-band (UWB) over Combined Fiber and Wireless Link
Fiber optics communications Fiber optics links subsystems
2015/6/8
We demonstrate bidirectional fiber and wireless transmission of impulse radio ultra-wideband at 3.125Gbps downstream and 2Gbps upstream. After transmission over 50km fiber and 1.85m wireless link both...
Novel Generation and Transmission of 2 Gbps Impulse Radio Ultra Wideband over MMF for In-Building Networks Application
Optical communications Radio frequency photonics.
2015/6/5
We propose novel generation technique of IR-UWB pulse by linearly combining two monocycles using different pulse shapes. We experimentally demonstrate DSP based BER measurement of 2 Gbps IR-UWB over m...
Simultaneous Transmission of 256-QAM WIMAX at 5.7GHz and Optically Generated Impulse Radio UWB over Fiber for Indoor Wireless Multi-Services
Radio frequency photonics Optical communications
2015/6/4
Fiber transmission of simultaneous optically generated FCC compliant 625Mbps impulse radio UWB and 80Mbps 256-QAM IEEE 802.16 WIMAX signals is experimentally demonstrated by using a single directly mo...
Analysis of probability as an impulse to synthesis of a beam-system represented by hypergraphs
Analysis probability synthesis a beam-system hypergraphs
2010/8/11
The problems of analysis of vibrating beam systems, discrete and discrete-continuous mechanical systems by means of the structural numerous methods modelled by the graphs, hypergraphs1 have been inves...
Impulse exchange at the surface of the ocean and the fractal dimension of drifter trajectories
Impulse exchange surface of the ocean fractal dimension drifter trajectories
2009/11/12
An impulse-based model is developed to represent a coupling between turbulent flow in the atmosphere and turbulent flow in the ocean. In particular, it is argued that the atmosphere flowing horizontal...