| 摘要 |
PURPOSE: A guard system using microwaves is provided to grasp selectively invaders and objects except for the invaders by comparing waveforms generated from sensed objects within a sensing region. CONSTITUTION: A plurality of M/W transmitters(100a-100n) are installed within a sensing region in order to sense invaders by generating microwaves. A plurality of M/W receivers(110a-110n) are installed at a receptible position to receive the microwaves from the M/W transmitters. A computer system(130) senses the microwaves and determines the invaders by using an application program. An alarm system(150) is connected to the computer system in order to generate the alarm sound for the invaders. A power supply unit(160) supplies the electric power to each element.
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