Richard Wai Yu

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Lodgepole pine (Pinus contorta) killed by mountain pine beetle (Dendroctonus ponderosae) (BLP) was compared with healthy lodgepole pine (HLP) for bioconversion to ethanol and high-value co-products. The BLP and HLP chips were pretreated using an ethanol organosolv process at a variety of severities. It was shown that the BLP was easier to pretreat and(More)
The need for a more efficient and reliable use of available radio resources has led to the developement of Spread Spectrum based communication networks, like WCDMA. Even though the Spread Spectrum signals are inherently robust, and provide significant level of security, it has been shown that the use of interference suppression techniques can result in a(More)
The problem of providing a collaborative early warning system for multiple moving vehicles against a small size fast moving object like a motorbike. This approach consists of three stages: The first stage consists of detecting the incoming object using a highly directive antenna at 5.0 GHz in license free industrial, scientific and medical (ISM) band. The(More)
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