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概述 AA—200系列雷达高度表是美国斯佩里公司的产品。它是一部收发天线分开的脉冲雷达,其特点是:整套电子电路装成一体、具有内部监控和自检能力。收发机的输出信号适合高度指示器使用,还为外部设备提供高度开关信号。AA—200系列的主要技术指标如下: 测高范围 0～2500英尺测高精度±3英尺 0～100英尺±3％ 100～500英尺±4％ 500～2500英尺发射机性能(标称) 脉冲宽度 60毫微秒脉冲重复频率 10千赫载波频率 4300兆赫峰值功率 70瓦接收机性能(标称)
Overview AA-200 series radar altimeter is the United States Sperry’s products. It is a separate pulse radar transceiver antenna, which is characterized by: a set of integrated electronic circuits, with internal monitoring and self-test capabilities. The transceiver’s output signal is suitable for use with a height indicator and also provides a high-level switch signal for external equipment. The main technical specifications of the AA-200 series are as follows: Altitude range 0-2500 feet Accuracy ± 3 feet 0-100 feet ± 3% 100-500 feet ± 4% 500-2,500 feet Transmitter performance (nominal) Pulse width 60 ns Pulse repetition frequency 10 kHz Carrier frequency 4300 MHz Peak power 70 W Receiver performance (nominal)