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Power Measurements Under Nonsinusoidal Conditions Joseph Peter Klapatch
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$3.99
Size: 6" x 9"
Binding: Perfect Bound
ISBN: 9781633187887
Thesis written in 1991 in partial fulfillment of the requirements for a Master of Science degree in Electrical Engineering at Wilkes University, Wilkes-Barre, PA. The measurement method discussed can be used to determine if the distortion is from the source, or caused by the load. Abstract A method is described for measuring real power in instances where voltage and current waveforms are not pure sinusoids. The measurement system utilizes digitized time domain samples of both waveforms. The waveforms are then transformed into the discrete frequency domain where both amplitude and phase information are derived. This method can be used by electrical utility companies to survey ha ...
The dBASE PLUS Tutorial Ken Mayer
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$19.95
Size: 8.5" x 11"
Binding: Spiral Bound
dBASE™ PLUS is a great rapid application development (RAD) environment. However, many folk are not sure where to start in the development of an application or how to use the tools included with this amazing software. The purpose of this tutorial is to guide a database developer through the process of creating an application in dBASE™ PLUS, from building the database to its final deployment. dBASE™ PLUS is a 100% pure object-oriented programming tool. The tutorial project will focus on using the dBASE™ PLUS data access objects; it will guide you through the objects used to create forms, reports, and an application menu; and it will show you how to deploy a complete application. T ...

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