Zero crossing

Known as: Zero-crossing 
A zero-crossing is a point where the sign of a mathematical function changes (e.g. from positive to negative), represented by a crossing of the axis… (More)
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Papers overview

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Highly Cited
2010
Highly Cited
2010
This paper describes a position sensorless operation of permanent magnet brushless direct current (BLDC) motor. The position… (More)
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Highly Cited
2008
Highly Cited
2008
  • G BachuR.
  • 2008
In speech analysis, the voiced-unvoiced decision is usually performed in extracting the information from the speech signals. In… (More)
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2008
2008
Computational models of embedded control systems often combine continuous-time with discrete-event behavior, mathematically… (More)
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Highly Cited
2007
Highly Cited
2007
Zero-crossing-based circuits (ZCBC) are introduced as a generalization of comparator-based switched-capacitor circuits (CBSC). To… (More)
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2005
2005
A 75 dB 251 /spl mu/W analog speech processor is described that preserves the performance, robustness, and programmability needed… (More)
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Review
2004
Review
2004
  • Jian Sun
  • IEEE Transactions on Power Electronics
  • 2004
Input current distortion in the vicinity of input voltage zero crossings of boost single-phase power factor corrected (PFC) ac-dc… (More)
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Highly Cited
1988
Highly Cited
1988
We are developing a health screening system for color eye-fundus photography. The system is designed to detect the first signs of… (More)
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Highly Cited
1986
Highly Cited
1986
We advance a coherent development of zero-crossing-based methods and theory appropriate for fast signal analysis. Quite a few… (More)
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Highly Cited
1984
Highly Cited
1984
We use the facet model to accomplish step edge detection. The essence of the facet model is that any analysis made on the basis… (More)
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Highly Cited
1980
Highly Cited
1980
A theory of edge detection is presented. The analysis proceeds in two parts. (1) Intensity changes, which occur in a natural… (More)
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