Herman Ng

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Online shoppers are generally highly task-driven: they have a certain goal in mind, and they are looking for a product with features that are consistent with that goal. Unfortunately, finding a product with specific features is extremely time-consuming using the search functionality provided by existing web sites.In this paper, we present a new search(More)
This paper presents a wideband and low phase noise millimeter-wave (mm-wave) voltage-controlled oscillator (VCO) fabricated in 130 nm BiCMOS technology. The output signal can sweep from 29.6 to 35.5 GHz, which corresponds to 18.1% tuning range. The LC-tank of the VCO consists of two coupled inductors and a binary weighted varactor bank. The secondary(More)
In this paper, a fractional-N phase-locked loop (PLL) with an integrated chirp generation circuit block for frequency-modulated continuous-wave (FMCW) radar systems is reported. The circuit is composed of a push-push voltage controlled oscillator (VCO), a feedback divider including pre-scaler and programmable divider stages, a phase-frequency detector(More)
As we move into the third decade of the World Wide Web (WWW), there has been a vast change in the availability of online information. Discovering information has never been more mechanized as of now, just a mouse click away. The objective of Opinion Mining can be achieved by executing a cluster of search results based on the features and quality for a given(More)
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