CAJ | 학술논문

为了精确测量海水温度，该文设计了一种基于铂电阻的多路海水检测系统。系统前端采用内置PGA的24位高精密的模数转换器ADS1256对来自铂电阻的信号进行放大以及AD转换。主控制器采用的是ST公司的32位ARM内核微处理器STM32 F103。系统把采集到的数据预处理后存放到大容量SD中。连接水上甲板单元时，水下系统通过串口把数据传输到甲板PC上，以便实时观测到水下采集数据。
위료정학측량해수온도，해문설계료일충기우박전조적다로해수검측계통。계통전단채용내치PGA적24위고정밀적모수전환기ADS1256대래자박전조적신호진행방대이급AD전환。주공제기채용적시ST공사적32위ARM내핵미처리기STM32 F103。계통파채집도적수거예처리후존방도대용량SD중。련접수상갑판단원시，수하계통통과천구파수거전수도갑판PC상，이편실시관측도수하채집수거。
To measure seawater temperature accurately , this paper designed based on multi-platinum resist-ance seawater detection system .The front of the system with built-in 24 PGA ADC ADS1256 high-precision platinum resistance from the signal amplification and AD conversion .Master controller is ST′s 32-bit ARM core microprocessor STM32F103.The system stores the collected data to high-capacity SD as a backup .When connected to deck unit , underwater system can also transfer the data through the serial port on the PC to the deck so that we can observe underwater data of real-time.