CAJ | 학술논문

为了实现植物叶片含水率的无损和准确检测,设计了一种新的便携式玉米叶片含水率检测仪器,并使用AT89 C52 单片机设计了核心控制系统,利用 TCL7135 实现了模数转换功能. 对光谱分析仪的机械结构进行了改进,使用线性变化的滤波片,将其与阵列探测器相结合,提高了光谱仪的分辨率,使光谱仪的体积小、质量小且稳定性好. 对光栅结构进行了改造,改造后的透射片光栅可以进行编程控制,从而提高了测试仪的精度. 对光谱水分测试仪器进行了试验研究,结果表明:利用实验室方法和本次研究设计的便携光谱仪的测试数据基本吻合,从而验证了装置的可靠性,为植株叶片水分检测仪的研究提供了较有价值的参考.
위료실현식물협편함수솔적무손화준학검측,설계료일충신적편휴식옥미협편함수솔검측의기,병사용AT89 C52 단편궤설계료핵심공제계통,이용 TCL7135 실현료모수전환공능. 대광보분석의적궤계결구진행료개진,사용선성변화적려파편,장기여진렬탐측기상결합,제고료광보의적분변솔,사광보의적체적소、질량소차은정성호. 대광책결구진행료개조,개조후적투사편광책가이진행편정공제,종이제고료측시의적정도. 대광보수분측시의기진행료시험연구,결과표명:이용실험실방법화본차연구설계적편휴광보의적측시수거기본문합,종이험증료장치적가고성,위식주협편수분검측의적연구제공료교유개치적삼고.
In order to achieve non-destructive and accurate detection of the moisture content of plant leaves , a new method for measuring the moisture content of corn leaves was designed , and the core control system was designed by using AT89 C52 chip microcomputer .The conversion function was realized by TCL 7135 .The mechanical structure of the spectrum analyzer is improved , and the linear filter is used to improve the resolution of the spectrometer , which can im-prove the resolution of the spectrometer .After the reconstruction of the grating structure , the transmission grating can be programmed and controlled , so as to improve the accuracy of the test system .Finally , the experimental study of the spec-tral moisture test instrument , the test data of the test data of the portable spectrometer is basically consistent with the test data , which verifies the reliability of the device , and provides a valuable reference for the research of the plant leaf water detector .