传感器与微系统
傳感器與微繫統
전감기여미계통
TRANSDUCER AND MICROSYSTEM TECHNOLOGY
2015年
2期
50-53
,共4页
巨磁阻抗传感器%信号处理%曲线拟合%小波分析%GP神经网络
巨磁阻抗傳感器%信號處理%麯線擬閤%小波分析%GP神經網絡
거자조항전감기%신호처리%곡선의합%소파분석%GP신경망락
giant magneto-impedance( GMI )sensor%signal processing%curve fitting%wavelet analysis%GP neural network
为了使巨磁阻抗( GMI)传感器能够在军事目标探测中发挥灵敏度高、探测距离远的特点,对其输出曲线处理方法进行改进,提出了基于幅值功率特征和小波特征的目标探测模型,既充分利用了敏感材料的GMI效应,又保证了测量的精度。最后通过模拟目标定位实验验证了该模型的有效性。该模型操作简单,易于实现,且定位精度较高,在目标探测与跟踪领域有很大的发展空间。
為瞭使巨磁阻抗( GMI)傳感器能夠在軍事目標探測中髮揮靈敏度高、探測距離遠的特點,對其輸齣麯線處理方法進行改進,提齣瞭基于幅值功率特徵和小波特徵的目標探測模型,既充分利用瞭敏感材料的GMI效應,又保證瞭測量的精度。最後通過模擬目標定位實驗驗證瞭該模型的有效性。該模型操作簡單,易于實現,且定位精度較高,在目標探測與跟蹤領域有很大的髮展空間。
위료사거자조항( GMI)전감기능구재군사목표탐측중발휘령민도고、탐측거리원적특점,대기수출곡선처리방법진행개진,제출료기우폭치공솔특정화소파특정적목표탐측모형,기충분이용료민감재료적GMI효응,우보증료측량적정도。최후통과모의목표정위실험험증료해모형적유효성。해모형조작간단,역우실현,차정위정도교고,재목표탐측여근종영역유흔대적발전공간。
In order to make full use of advantages of high sensitivity and long detection distance of giant magneto-impedance( GMI)sensor in military target detection,output curve processing method of sensor is improved,target detecting model based on amplitude power change rate and wavelet characteristics is put forward,which not only make full use of GMI effect of sensitive material but also ensure measurement precision. Finally,effectiveness of model is proved by simulation target positioning experiment. Operation of the model is simple and easy to realize and precision of positioning is high,it has potential development space in targets detecting and tracking.