Mohd Zaid Abdullah

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—A biconical antenna has been developed for ultra-wideband sensing. A wide impedance bandwidth of around 115% at bandwidth 3.73–14 GHz is achieved which shows that the proposed antenna exhibits a fairly sensitive sensor for microwave medical imaging applications. The sensor and instrumentation is used together with an improved version of delay and sum image(More)
BACKGROUND The study assesses the capability and accuracy of a robotic arm to perform burr holes. MATERIAL AND METHODS The robotic systems are instructed to recognize targets on artificial skull models placed in different positions and to make burr holes. RESULTS The accuracy ranged from 0.1 to 1.0 mm. CONCLUSION Robotic arms are capable to perform(More)
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