Design And Development Of Low Cost Anechoic Chamber

Imran, Mohd Ibrahim and Mohd. Nor, Husain (2010) Design And Development Of Low Cost Anechoic Chamber. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

For this time being, telecommunication industries become more important and sophisticated. It usually involves a lot of electronic equipment like computer, radio,television and telephone. All this require high frequency to ensure the infonnation being sent is received in a correct way. To perform this task, a lot of tool was invented and before it can be used, it is needed to be test to see whether it is capable to do task given. The environment when testing is done must be clearly from unwanted interference which is usually come with surrounding objects. Here, anechoic chamber plays an important role. Nonnally, an anechoic chamber surface will be fully or semi lining with absorber. Absorber acts to absorb the electromagnetic wave energy to produce null reflectivity environment for interior and free wave from exterior. The purpose of this testing that done in the chamber is to obstruct the external source from the environment and to avoid the measurement is influence by uncorrelated noise such as heat or rain. The testing can be done in the field or open space but the result taken not as better as testing result in anechoic chamber. In this project the anechoic chamber is built for education purpose. For example, student can do their antenna testing in proper condition and get better result.

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