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Small transmitting power and high sensitivity 76GHz millimeter-wave radar for obstacle detection and collision avoidance of civil helicopters

机译：小型发射功率和高灵敏度76GHz毫米波雷达，用于避难的民用直升机的障碍物检测和碰撞

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Development of a 76 GHz millimeter-wave radar system for obstacle detection and collision avoidance of civil helicopters is discussed in this paper. To utilize low cost commercially available devices, the radar system is required to have a small power transmission, while maintaining high sensitivity and a long detection range. Firstly, the radar system is designed and realized by employing a simple direct conversion frequency modulated continuous-wave radar method. Then, on-ground power line detection test results shows about a 30 dB signal-to-noise ratio when the target is located around 140 m away from the antenna. Then, to carry out the on-board test, the millimeter-wave radar system is installed to an experimental helicopter. Finally, it is confirmed from the first trial results that the reflections from obstacles such as small aircraft were successfully measured.
机译：本文讨论了开发76 GHz毫米波雷达系统，用于避免民用直升机的避孕。为了利用低成本市售的设备，雷达系统需要具有小的电力传输，同时保持高灵敏度和长检测范围。首先，通过采用简单的直接转换频率调制的连续波雷达方法设计和实现雷达系统。然后，当目标位于距离天线约为140μm时，在接地电源线检测测试结果显示约30dB的信噪比。然后，为了进行车载测试，毫米波雷达系统安装在实验直升机上。最后，从第一次试验结果证实了来自诸如小型飞机等障碍物的反射成功测量。

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