We present the experimental realization of a quantum dot (QD) operating as a high-frequency noise detector. Current fluctuations produced in a nearby quantum point contact (QPC) ionize the QD and induce transport through excited states. The resulting transient current through the QD represents our detector signal. We investigate its dependence on the QPC transmission and voltage bias. We observ...

In this paper we present a pipelined implementation of an iterative threshold detector, which makes the same decisions as a maximum likelihood sequence detector (MLSD) on some, but not necessarily all, bits. We apply this as a …rst stage detector in a direct sequence code division multiple access (DS-CDMA) interferencelimited multiuser system. In combination with the singleuser matched …lter (M...

We describe a new aerogel threshold Cherenkov detector installed in the HMS spectrometer in Hall C at Jefferson Lab. The Hall C experimental program in 2003 required an improved particle identification system for better identification of π/K/p, which was achieved by installing an additional threshold Cherenkov counter. Two types of aerogel with n = 1.03 and n = 1.015 allow one to reach ∼ 10 pro...

Exclusive measurements of the two-pion production channel pp → ppπ + π − have been carried out near threshold at CELSIUS with the PROMICE/WASA detector.

Edge detection is a very significant feature of image processing and refers to the algorithms, which are intended for identifying points in a digital image where the image intensity changes significantly. The need of edge detection is to find the discontinuities in intensity, surface direction, change in texture properties, and variation in scene illumination. This paper proposes a rapid and su...

This paper proposes an extension of the weak classifiers derived from the Haar-like features for their use in the Viola-Jones object detection system. These weak classifiers differ from the traditional single threshold ones, in that no specific threshold is needed and these classifiers give a more general solution to the non-trivial task of finding thresholds for the Haar-like features. The pro...

Acoustic echo cancellation is one of the oldest applications of the adaptive filters and today part of each speakerphone. An important block of each acoustic echo canceller is the double talk detector. It blocks the adaptation of the filter when near end voice is present and thus preventing the adaptive filter from diverging from the optimal position. In this paper we present an improved versio...

2011 International Workshop on ADC Modelling, Testing and Data Converter Analysis and Design and IEEE 2011 ADC Forum June 30 July 1, 2011. Orvieto, Italy. microcontroller THRESHOLD Energy Detector

We consider the possibility of Higgs boson detection at LEP II under the resonance threshold (√ s < m H + m Z) in the framework of complete tree level approach to the calculation of the e + e − → ν ¯ νb ¯ b amplitude, simulating b-quark fragmentation to hadrons and taking into account typical detector properties. At the energy below the 2m Z threshold √ s = 175 GeV Higgs boson production under ...