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How, and for what purpose, are cities and populations tracked, virtualized, and simulated by computational infrastructures in realtime? The semester's second Preston Thomas Memorial Symposium — "Real ...
The Ridgelet Packets library provides a large family of orthonormal bases for functions f(x, y) in L2(dxdy) which includes orthonormal ridgelets as well as bases deriving from tilings reminiscent from...
Optimal Throughput-Delay Scaling in Wireless Networks–Part II:Constant-Size Packets
Throughput-Delay Scaling Wireless Networks Constant-Size Packets
2015/8/12
In Part I we characterized the optimal throughput-delay trade-off in static wireless networks as D(n) = Θ(nT(n)), where D(n) and T(n) are the average packet delay and throughput in a network of n node...
Digital Implementation of Ridgelet Packets
Wavelets Ridge function Ridgelets Radon Transform Radon Isometry Wavelet Packets Cosine Packets Best basis Gabor Analysis
2015/6/17
The Ridgelet Packets library provides a large family of orthonormal bases for functions f(x, y) in L2(dxdy) which includes orthonormal ridgelets as well as bases deriving from tilings reminiscent from...
Dynamic of rescattering-electron wave packets in strong and short-wavelength laser fields: Roles of Coulomb potential and excited states
Dynamic of rescattering-electron wave packets strong and short-wavelength laser fields Roles Coulomb potential excited states
2014/5/28
We investigate the high-order harmonic generation of atoms and molecules exposed in strong and shortwavelength (shorter than 800 nm) laser fields. Our simulations show that the electronic rescattering...
Determining the wavelength of Langmuir wave packets at the Earth's bow shock
wavelength Langmuir wave packets Earth's bow shock
2011/8/5
Abstract: The propagation of Langmuir waves in plasmas is known to be sensitive to density fluctuations. Such fluctuations may lead to the coexistence of wave pairs that have almost opposite wave-numb...
Synchronization and NRZ-to-RZ conversion of 10 Gbit/s Ethernet-like data packets and subsequent optical TDM multiplexing to 330 Gbit/s
Fiber optics communications Buffers couplers routers switches multiplexers
2015/5/21
A time lens system synchronizes a 10G Ethernet asynchronous data frame to a local master clock and converts the NRZ-frame to an RZ-frame and multiplexes it into a 330 Gbit/s aggregated Optical TDM sig...
First demonstration of OPS and burst detection of 160 Gb/s packets through three 52 km-spaced optical nodes
First demonstration OPS burst detection Gb/s packets through three 52 km-spaced optical nodes
2015/5/20
We demonstrate error-free transmission, dynamic switching and burst detection of 160Gbps packets with guardtime ~1ns through 3-nodes that include on-the-fly optical packet switching and instantaneous ...
Dynamic of rescattering-electron wave packets in strong and short-wavelength laser fields: Roles of Coulomb potential and excited states
scattering-electron wave packets in strong short-wavelength laser fields Coulomb potential excited states
2014/5/28
We investigate the high-order harmonic generation of atoms and molecules exposed in strong and shortwavelength (shorter than 800 nm) laser fields. Our simulations show that the electronic rescattering...
Engineering Biphoton Wave Packets with an Electromagnetically Induced Grating
Engineering Biphoton Wave Packets Electromagnetically Induced Grating
2010/11/5
We propose to shape biphoton wave packets with an electromagnetically induced grating in a four-level double-$\Lambda$ cold atomic system. We show that the induced hybrid grating plays an essential ro...
A scalable optical packet switch with label processing for DPSK and OFDM data packets
Switching packe Optical processing Wavelength filtering devices
2015/6/10
We present a scalable and low latency optical packet switch for DPSK and OFDM packets. Results show error-free operation of 1x64 optical packet switch for 12x10 Gb/s DPSK packets and 12x40Gb/s OFDM pa...
A Real-Time Asynchronous Dynamically Re-Sizable Optical Buffer for Variable Length 40Gbps Optical Packets
Buffers couplers routers switches multiplexers Networks packet-switched
2015/6/8
We demonstrate a 40Gbps dynamically re-sizable optical buffer capable of storing packets of lengths ranging from 40 to 800 bytes. Packet recovery measurements greater than 95% demonstrate a dynamic op...
Optical Frame Synchronizer for 10 G Ethernet Packets aiming at 1 Tb/s OTDM Ethernet
Fiber optics communications All-optical networks
2015/6/4
Synchronization of 10 G Ethernet packets to a local clock was demonstrated using a phase modulator and a SMF as retiming elements. Error free performances for the synchronized packets with different l...
Amplitude modulation and packet formation of Langmuir waves are commonly observed during a nonlinear interaction between electron beams and plasmas. In this paper, we briefly review the history of Lan...
A Wavelet Packets Approach to Electrocardiograph Baseline Drift Cancellation
Electrocardiograph Baseline Drift Cancellation
2009/9/8
Baseline wander elimination is considered a classical problem. In electrocardiography (ECG) signals, baseline drift can influence the accurate diagnosis of heart disease such as ischemia and arrhythmi...