Results 201 to 210 of about 1,635,520 (251)

Digital holographic microscopy for rapid bacteria segmentation and counting in microfluidic cartridges: basic considerations and limitations for diagnostic application. [PDF]

J Biomed Opt
Kamel H, Schmid J, Nizami MR, Alekseenko I, Hausladen F, Claus D, Wittig R, Kelly DP.   +7 more
europepmc   +1 more source

Bright squeezed light in the kilohertz frequency band. [PDF]

Light Sci Appl
Li R, An B, Jiao N, Liu J, Chen L, Wang Y, Zheng Y.   +6 more
europepmc   +1 more source

Optical arbitrary waveform generation (OAWG) using actively phase-stabilized spectral stitching. [PDF]

Light Sci Appl
Drayss D, Fang D, Sherifaj A, Peng H, Füllner C, Henauer T, Lihachev G, Schmitz L, Harter T, Freude W, Randel S, Kippenberg TJ, Zwick T, Koos C.   +13 more
europepmc   +1 more source

MR elastography datasets including phantom, liver, and brain. [PDF]

Sci Data
Feng Y, Qiu S, Wang R, Ma S, Yan F, Yang GZ.   +5 more
europepmc   +1 more source

Computed tomography image quality with high-flow contrast via high-pressure central venous catheter in critically ill patients. [PDF]

Crit Care
Gentil E, de Roux Q, Ribot S, Lapeyre L, PalombI V, Luciani A, Quesnel C, Tacher V, Mongardon N.   +8 more
europepmc   +1 more source

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Phase Noise in Beamforming

IEEE Transactions on Wireless Communications, 2010
In this article we examine the effect of phase noise on a multi-antenna beamforming system. The effect is quantified in terms of error vector magnitude (EVM). It is shown that using independent phase noise sources improves EVM performance in the main lobe.
Thomas Hohne, Ville Valtteri Ranki
openaire   +2 more sources

Phase Noise Metrology

2007
As a result of a major technological trend towards high speed digital communications and circuits, phase noise turns out to be a relevant concern for scientists and engineers. This paper describes methods and instruments to measure the phase noise of oscillators, components and more complex devices in the radiofrequency and microwave bands, from ...
Rubiola, Enrico, Giordano, Vincent
openaire   +3 more sources

Phase Noise and Jitter [PDF]

, 2009
In this chapter we examine variations that occur in the edge locations of the clock signal in a synchronous system. These edge variations are referred to in the time domain as jitter and in the frequency domain as phase noise. We also describe the various mechanisms that can cause these non-idealities and present techniques to analyze their individual ...
openaire   +3 more sources

Phase noise suppression in MIMO OFDM systems with incoherent phase noise

2011 - MILCOM 2011 Military Communications Conference, 2011
This paper presents a remedy to the phase noise problem in the multiple-input/multiple-output (MIMO), orthogonal frequency division multiplexing (OFDM) systems with incoherent phase noise. The phase noise incoherence (PNI) is a common condition that arises when different channels in a MIMO system use different local oscillator (LO) signals. Phase noise
Babak Daneshrad, Weijun Zhu
openaire   +2 more sources