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Fixed radio communication systems seem to be a promising alternative solution for a lot of applications which require more and more bandwidth. Advanced equipment uses some knowledge of the radio channel impulse response to enhance the quality of the communication link. In this paper, a measurement tool for determining the impulse response of a radio channel(More)
Propolis is a glue material collected by honeybees which is used to seal cracks in beehives and to protect the bee population from infections. Propolis resins have a long history in medicinal use as a natural remedy. The multiple biological properties are related to variations in their chemical compositions. Geographical settings and availability of plant(More)
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