利用多項(xiàng)式擬合的規(guī)范化方法來(lái)融合溫度信息，實(shí)現(xiàn)了壓力傳感器的非線性修正和溫漂補(bǔ)償，得到了壓力解析表達(dá)式；同時(shí)利用單片機(jī)進(jìn)行采集和處理信息，實(shí)現(xiàn)了壓力傳感器的智能化。
關(guān)鍵詞多項(xiàng)式擬合壓力傳感器規(guī)范化智能化
Abstract By using specified method of polynomial fitting to merge temperature information，the non-linear correction and temperature drift compensation are implemented for pressure transducer，and the analytic expression of pressure is obtained. In addition，the intelligent pressure transducer is implemented through single chip computer for data collection and signal processing.
Keywords Polynomial fitting Pressure transducer Specificity Intellectualization

壓力傳感器雖然具有體積小、靈敏度高、動(dòng)態(tài)響應(yīng)快、使用方便等優(yōu)點(diǎn)，但是由于它是半導(dǎo)體材料制成的，所以受很多因素（如熱零點(diǎn)及熱靈敏度漂移、機(jī)械滯后等）影響，其輸出值不僅僅是輸入壓力的函數(shù)，而且是周圍環(huán)境溫度的函數(shù)，再加上壓力傳感器本身的非線性，精確度不高，很難滿足精密壓力測(cè)量的要求。