本系统以A T 8 9 C 5 1 单片机系统为控制核心，用线性度好 灵敏度高的集成温度传感器 AD 5 9 0及分辨率

高、噪声低的 A ／ D转换器进行温度采集，采用线性数字校正和数字滤波技术，增强系统的灵敏度和抗干扰能力。- This system by eliminating 8 9 c a five one monolithic integrated circuits to control system, the better by a linear sensitivity high temperature sensor the integration of ad 9 5 0 and resolution, the noise of a ／ d converters to the collection, use a linear digital dividend and digital technology, enhance system based on the sensitive