实验报告姓名：张弢学号：PB06210013系别：0611实验题目：铁磁共振实验目的：学习使用传输式谐振腔法研究铁磁共振现象，测量YIG小球（多晶）的共振线宽和g因子。实验内容：测量谐振频率调节微波发生器，使谐振腔与发生器输出信号调谐，利用仪器的波长表测出谐振频率f。测得六组数据为：n123456平均查波长表得频率EMBEDEquation.DSMT4fMHz试验前EMBEDEquation.DSMT4mm2.9722.9742.9732.9702.9752.9742.9738994．4试验后EMBEDEquation.DSMT4mm2.9752.9742.9732.9762.9772.9752.9758994二者求平均得谐振频率EMBEDEquation.DSMT48994.489948994.22fMHz测I-B曲线用非逐点法调谐测出检波电流I随B的变化曲线。实验数据如下：励磁电流输出电流(升)磁感应强度（升）B/mT输出电流（降）磁感应强度（降）B/mT050.83.152.13.50.0550.811.852190.150.820.252260.1550.82952330.250.837.551.9420.2550.84651.8550.350.855.551.9620.3550.86451.3720.450.872.851.1800.4550.881.951.1900.550.990.951.199.90.5550.998.851.21060.650.910651.31150.655111551.31220.751.112551.31380.7551.113551.31400.851.114551.31500.8551.215051.51590.951.315951.61660.9551.417551.6177151.5175.251.61821.0551.518451.51911.151.519451.32001.1551.520151.52101.251.521051.6219.91.2551.5217.551.82271.351.622652.32361.3551.623552.82411.451.6242.552.82511.4551.725151.82601.551.726152.32701.5551.827552.82791.651.928152.92831.655229153.22921.6652.1292.853.2293.81.6752.1294.653.2295.61.6852.2296.453.1297.41.6952.1298.253.1299.21.75230052.63011.7151.530252.1302.81.725130451.2304.61.7350.830650.3306.41.7450.430848.8308.21.7549.831045.33101.7648.831244.13121.7747.231442.33141.7845.331640.83161.7943.731838.13181.840.132033.53201.8137.5320.430.3321.81.8232.8320.827.1323.61.8330.5321.223325.41.8428.5321.620.8327.21.8525.632219.63291.8622325.417.23311.8720.2328.816.13331.8818332.215.53351.8916.9335.615.83371.915.533916.33391.9115.1339.417.1339.61.9215.1339.818.8340.21.9316400.219.8340.81.9417.1400.620.4341.41.9518341213421.9620.334321.83441.9721345233461.9822.4347253481.9923.134925.9350223.935127.43522.052936030.83612.133.237033.33702.1535.237936.13792.23738137.23822.2538.239138.13912.33...
