Concept

Analog signal

Related publications (385)

The Size of the Proteasomal Substrate Determines Whether Its Degradation Will Be Mediated by Mono- or Polyubiquitylation

Hilal Lashuel, Mirva Hejjaoui, Mahmood Haj Yahya

A polyubiquitin chain anchored to the substrate has been the hallmark of proteasomal recognition. However, the degradation signal appears to be more complex and to contain also a substrate's unstructured region. Recent reports have shown that the proteasom ...

Cell Press2012

Passive components for millimeter, submillimeter and terahertz electromagnetic waves made by piling up successive layers of material

Jean-Philippe Ansermet, Emile Jacques de Rijk, Alessandro Macor

The passive component for the transmission and manipulation of electromagnetic signals having frequencies from 30 GHz to 100 THz, comprises a corrugated or smooth wall unit alone or an assembly of at least one corrugated or smooth wall unit in a hollow gui ...

2012

On localisation and uncertainty measures on graphs

Nathanaël Perraudin

Due to the appearance of data on networks such as internet or Facebook, the number of applications of signal on weighted graph is increasing. Unfortunately, because of the irregular structure of this data, classical signal processing techniques are not app ...

2012

Signal fluctuations in fMRI data acquired with 2D-EPI and 3D-EPI at 7 Tesla

Wietske Van der Zwaag, José Pedro Rebelo Ferreira Marques, João Pedro Forjaco Jorge, Patricia Figueiredo

Segmented three-dimensional echo planar imaging (3D-EPI) provides higher image signal-to-noise ratio (SNR) than standard single-shot two-dimensional echo planar imaging (2D-EPI), but is more sensitive to physiological noise. The aim of this study was to co ...

Elsevier Science Inc2012

Corrugated components for millimeter, submillimeter and terahertz electromagnetic waves made by stacked rings

Alessandro Macor

The corrugated component for the transmission and manipulation of electromagnetic signals with frequency up to several THz, comprises an assembly of a plurality of plates stacked together in a hollow guiding rod wherein said plates have at least one apertu ...

2012

Slow light fiber systems in microwave photonics

Luc Thévenaz, Sang Hoon Chin

Slow light systems are particularly attractive for analog signal processing, since their inherent limitation to a delay-bandwidth product of 1 is less critical for analog systems such as those used in microwave photonics. We present here the implementation ...

SPIE2011

Sparse spectral factorization: Unicity and Reconstruction Algorithms

Martin Vetterli, Yue Lu

Spectral factorization is a classical tool in signal processing and communications. It also plays a critical role in X-ray crystallography, in the context of phase retrieval. In this work, we study the problem of sparse spectral factorization, aiming to re ...

2011

Human-Robot Synchrony: Flexible Assistance Using Adaptive Oscillators

Auke Ijspeert, Jesse van den Kieboom, Renaud Ronsse

We propose a novel method for movement assistance that is based on adaptive oscillators, i. e., mathematical tools that are capable of extracting the high-level features (amplitude, frequency, and offset) of a periodic signal. Such an oscillator acts like ...

2011

Performance of Self-Seeded Parametric Multicasting of Analog Signals

Camille Sophie Brès

We present noise and distortion measurements of multicast copies generated in a self-seeded parametric mixer. Linear mixer operation is achieved by distortion-free Brillouin suppression resulting in high signal-to-noise and distortion-ratio (SINAD) wavelen ...

Institute of Electrical and Electronics Engineers2011

On-line frequency adaptation and movement imitation for rhythmic robotic tasks

Auke Ijspeert, Tadej Petric

In this paper we present a novel method to obtain the basic frequency of an unknown periodic signal with an arbitrary waveform, which can work online with no additional signal processing or logical operations. The method originates from non-linear dynamica ...

2011

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