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The importance of the information has rapidly increased in the past ten years. At the same time, personal handheld telecommunication devices are significantly raised around the world. Based on the fast growing market, it is not only expanded dramatically in the demand of antenna for handheld telecommunication product. Antenna is a transducer designed to transmit or receive electromagnetic waves. Microstrip patch antennas (MSA) have several advantages over conventional microwave antenna and therefore are widely used in many practical applications. The main aim of this is to optimize MSA...

The importance of the information has rapidly increased in the past ten years. At the same time, personal handheld devices are significantly raised around the world. Based on the fast growing market, it is not only expanded dramatically in the demand of higher speed for handheld telecommunication product, but also the development cycle of the Product is compressed. Normative economic decision analysis involves determining the action that best achieves a desired goal or objective. It means finding the action that optimizes (that is, maximizes or minimizes) the value of an objective...