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heterodyne detection

Heterodyne detection for the measurement of electro-optical frequency combs generated with a silicon Mach-Zehnder modulator

Heterodyne detection for the measurement of electro-optical frequency combs generated with a silicon Mach-Zehnder modulator

... Heterodyne detection for the measurement of electro-optical frequency combs generated with a silicon Mach-Zehnder modulator Lucas Deniel* a , Erwan Weckenmann b , Diego Pérez Galacho a,+ , Laurent Bramerie ...

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Characterization of coherence in forward-scattered photons in tubid medium using heterodyne detection

Characterization of coherence in forward-scattered photons in tubid medium using heterodyne detection

... In summary, we believe this model can adequately explain the experimental results. The experimental observation that the coherent intensity is larger than the ballistic co[r] ...

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Exploring shot noise and Laser Doppler imagery with heterodyne holography

Exploring shot noise and Laser Doppler imagery with heterodyne holography

... NTRODUCTION Heterodyne Holography (HH) [1], [2] is a variant of the Digital Holography technique ...called Heterodyne Holography, because it can be viewed as an optical heterodyne detection, ...

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Instrumentation of a 2.6 THz heterodyne receiver

Instrumentation of a 2.6 THz heterodyne receiver

... a heterodyne receiver, the radio-frequency (RF) signal from the sky is mixed with the local oscillator (LO) signal in a ...provides heterodyne receivers with a very good spectral resolution, which is very ...

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Effect of Phase Noise on the Frequency Calibration of a Tunable Laser by Heterodyne Signal Filtering

Effect of Phase Noise on the Frequency Calibration of a Tunable Laser by Heterodyne Signal Filtering

... In heterodyne detection, the phase of the IF (intermediate frequency) signal is the phase difference between the electric fields of the LUT and the ...

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Development of multipixel heterodyne imaging arrays for future space missions

Development of multipixel heterodyne imaging arrays for future space missions

... 2.1.3 The mixer The mixer beats the sky and the LO signal and creates an intermediate frequency (IF) signal at ∣ ν LO − ν sky ∣ . The first mixer which has been used in heterodyne detection is the Schottky ...

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Detection of acoustic second harmonics in solids using a heterodyne laser interferometer

Detection of acoustic second harmonics in solids using a heterodyne laser interferometer

... It was also seen that two other sources of spurious second harmonics, the nonuniform propagation delays of Vde t and the phase error of the quadrature signal, generate second [r] ...

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Design and optimization at the highest frequency of a heterodyne receiver at 1.2 THz for the JUICE-SWI instrument

Design and optimization at the highest frequency of a heterodyne receiver at 1.2 THz for the JUICE-SWI instrument

... 23 millimeter heterodyne receivers in the past. However, Gunn diodes require phase locking, are difficult to tune and to use in broadband frequency applications. Gunn oscillators have been currently replaced by ...

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Detection Signal Design for Failure Detection: a Robust Approach

Detection Signal Design for Failure Detection: a Robust Approach

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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DETECTION ET RECONNAISSANCE DE VISAGE

DETECTION ET RECONNAISSANCE DE VISAGE

... Résultats obtenus avec la méthode RIE: Les ensembles d'apprentissage et de test utilisés avec l'algorithme des visages propres des images réduites sont ceux de la deuxième configuration [r] ...

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Detection d'objets en mouvement

Detection d'objets en mouvement

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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Detection and emergence

Detection and emergence

... of detection, which can be defined as the size of the recognition device (we do not consider the depth of computation here (Bennet, ...of detection complexity is not always easily ...

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Detection networks

Detection networks

... to causality constraints, the agents seek to optimize a team cost functional by making discrete decisions which are conveyed to other agents on capacity constrained channe[r] ...

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Frequency noise reduction performance of a feed-forward heterodyne technique: application to an actively mode-locked laser diode

Frequency noise reduction performance of a feed-forward heterodyne technique: application to an actively mode-locked laser diode

... line of interest. A detailed description of the analytical model is available in [ 13 ]. A full characterization of the central comb-line can be achieved using a frequency noise measurement bench (see Fig. 1 ). To ...

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Acoustic boiling detection

Acoustic boiling detection

... Array Size Indicator (normal): Allows the user to choose the number of data of the. type indicated by the Input Type Ring[r] ...

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Decentralized detection

Decentralized detection

... We now define the class of decision rules that can be parametrized by a set of thresholds. Suppose that Assumption 2.1 holds and that there exists an optimal strategy. Th[r] ...

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On boundary detection

On boundary detection

... The aim of this paper is to provide a statistical test to decide whether the bound- ary of the support is empty or not and, when the answer is affirmative, to provide an heuristic method[r] ...

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Absolute measurement of small-amplitude vibrations by time-averaged heterodyne holography with a dual local oscillator

Absolute measurement of small-amplitude vibrations by time-averaged heterodyne holography with a dual local oscillator

... In this letter, we report an experimental demonstra- tion of heterodyne holography for vibration sensing. The presented idea is to make use of a dual optical local oscillator (LO) illumination to assess ...

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Near-field optical imaging of plasmonic devices using heterodyne optical feedback on Er doped DFB fiber laser

Near-field optical imaging of plasmonic devices using heterodyne optical feedback on Er doped DFB fiber laser

... Fig.4 EM field of a quasi-TM mode on a 5 microns wide and 30nm thick gold strip References [1] H. Gilles, S. Girard, M. Laroche and A. Belarouci, “Near-field amplitude and phase measurements using heterodyne ...

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Sec2graph: Network Attack Detection Based on Novelty Detection on Graph Structured Data

Sec2graph: Network Attack Detection Based on Novelty Detection on Graph Structured Data

... represent this type. The different type of events considered are network connec- tion, application events (e.g., dns, dhcp, dce/rpc, ftp, http, kerberos, ssh, snmp, smtp,etc.), and information about transferred files ...

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