نتایج جستجو برای: double sampling

تعداد نتایج: 450274  

Journal: :Journal of animal science 2014
P P Rotta S C Valadares Filho E Detmann L F Costa e Silva M F Paulino M I Marcondes A A G Lobo F A C Villadiego

The objective of this experiment was to assess ruminal outflow and apparent total-tract digestibility using digesta samples from 3 sites (reticulum, omasum, and abomasum) and 3 marker methods (single marker: indigestible NDF [iNDF; sample without separation]; double marker: iNDF + Co-EDTA [filtered sample]; and triple marker: iNDF + ytterbium [Yb] acetate + Co-EDTA [filtered and centrifuged]) i...

2010
P. Martin-Gonthier P. Magnan

CMOS image sensors are nowadays extensively used in imaging applications even for high-end applications. This is really possible thanks to a reduction of noise obtained, among others, by Correlated Double Sampling (CDS) readout. Random Telegraph Signal (RTS) noise has thus become an issue for low light level applications especially in the context of downscaling transistor size. This paper descr...

Journal: :IEEE Trans. Communications 1997
Seok Chang Kim Byeong Gi Lee

In this paper, a theory is developed in support of parallel realizations of the distributed sample scramblers (DSS) in the cell-based ATM transmission environment. For the relevant parallel realizations of the SRG (shift register generator) engines and the SRG sequence-generating circuits, the PSRG theory is applied which is readily available for parallel FSS (frame synchronous scrambler). For ...

2008
M. Dahoumane D. Dzahini J. Bouvier E. Lagorio L. Gallin-Martel J. Y. Hostachy O. Rossetto Y. Hu H. Ghazlane D. Dallet

A 4 bit very low power and low incoming signal analog to digital converter (ADC) using a double sampling switched capacitor technique, designed for use in CMOS monolithic active pixels sensor readout, has been implemented in 0.35μm CMOS technology. A nonresetting sample and hold stage is integrated to amplify the incoming signal by 4. This first stage compensates both the amplifier offset effec...

2016
Muhammad Adnan Siddique Urs Wegmüller Irena Hajnsek Othmar Frey

Persistent scatterer interferometry (PSI) typically rejects layovers. Therefore, layover-affected urban areas may suffer from inadequate deformation sampling. SAR tomography, when used as an add-on to PSI, reveals additional deformation samples by resolving layovers. In this paper we quantify the relative gain in deformation sampling, while taking into account the quality of the additional (dou...

1995
RH. Nixon S. E. Kemeny C. O. Staller E. R. Fossum

A 128x128 element CMOS active pixel image sensor (APS) with on-chip timing, control, and signal chain electronics has been designed, fabricated and tested. The chip is implemented in 1.2 pm nwell process with a 19.2 tm pixel pitch. The sensor uses a photodiode-type CMOS APS pixel with in-pixel source follower, row selection and reset transistors. The sensor operates from a +5 V supply and requi...

2001
Pui-In Mak Weng-Ieng Mok Seng-Pan U R. P. Martins

Quadrature transceivers utilize complex signal processing in the analog front-end (AFE) to tackle the image problem in frequency up/downconversion. The image-rejection performance is limited by the unavoidable I/Q imbalance throughout the AFE. In this paper, an in-depth analysis and modeling of I/Q mismatch effects in 3 different AFE frequency up/downconverters in SIMULINK are presented to bett...

2015
Marti J Anderson Julia Santana-Garcon

Ecological studies require key decisions regarding the appropriate size and number of sampling units. No methods currently exist to measure precision for multivariate assemblage data when dissimilarity-based analyses are intended to follow. Here, we propose a pseudo multivariate dissimilarity-based standard error (MultSE) as a useful quantity for assessing sample-size adequacy in studies of eco...

2017
Bikash Joshi Massih-Reza Amini Ioannis Partalas Franck Iutzeler Yury Maximov

We address the problem of multi-class classification in the case where the number of classes is very large. We propose a double sampling strategy on top of a multi-class to binary reduction strategy, which transforms the original multi-class problem into a binary classification problem over pairs of examples. The aim of the sampling strategy is to overcome the curse of long-tailed class distrib...

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