The navigation data converter of ship can output gyrocompass and GPS signals after the data conversion, which just bases on gyrocompass (or GPS) input signal.

文中所设计的船舶导航数据转换器可以只依据一种导航数据，经过数据转换后输出电罗经和GPS两种信号，保证电罗经设备与GPS设备的正常工作。

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In the signal into the A / D converter analog to digital conversion, the final processing of data into the microcontroller, then the output is displayed, and determine whether there is a gas leak.

在把信号送入A/D 转换器进行模数转换后，将最后的 数据送入单片机进行处理，随后输出显示，并且判断是否有煤气泄漏。

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The data acquisition is composed by signal adjusting circuit, anti-jamming filter circuit, AD converter circuit and a RS232 serial communication circuit.

数据采集部分主要由信号调理电路、抗干扰滤波电路、模数转换电路及串行通信电路等组成。

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