An inlet guide vane having a nominal profile substantially in accordance with Cartesian coordinate values of x, y, and z set forth in TABLE 1 reduces vibration of engine components at various operating conditions. The network interface device connects a host computer to a network and contains a host bus interface, a network interface, and control logic. The management object may coordinate various operations performed at the protection units based on management object configuration information. A criterion retrieval unit analyzes the search criterion in the form of the sentence and retrieves one of a plurality of search words respectively corresponding to sentence element categories of the natural language. A phase aligner circuit, operable to align a phase of the second signal with a phase of the recovered clocks signal based on the first ready signal, is coupled to the recovery circuit. Each of the current incoming blocks is classified as either a background block or a moving object block according to the discriminant patterns.