聲光調(diào)制實(shí)驗(yàn)(數(shù)據(jù)處理)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上精選優(yōu)質(zhì)文檔-傾情為你奉上專(zhuān)心-專(zhuān)注-專(zhuān)業(yè)專(zhuān)心-專(zhuān)注-專(zhuān)業(yè)精選優(yōu)質(zhì)文檔-傾情為你奉上專(zhuān)心-專(zhuān)注-專(zhuān)業(yè)實(shí)驗(yàn)1：光偏振性實(shí)驗(yàn)光偏振性實(shí)驗(yàn)實(shí)驗(yàn)數(shù)據(jù)表（1）/0153045607590105120135145計(jì)算值I5.575.204.182.791.400.3700.371.392.793.74測(cè)試值I5.575.554.222.891.370.350.130.351.592.913.63其中 ： I1=I0co下圖（1）為上述表（1）測(cè)試光強(qiáng)與計(jì)算光強(qiáng)的對(duì)比圖，由圖可以很好說(shuō)明光的偏振光強(qiáng)符合馬呂斯定律圖（1） 測(cè)試光強(qiáng)與計(jì)算光強(qiáng)對(duì)比圖實(shí)驗(yàn)4：聲光調(diào)制的幅度特性數(shù)據(jù)記錄表

2、載波電壓（V）0.220.751.421.622.102.563.053.283.533.754.034.535.00光強(qiáng)電壓（V）0.31.53.864.525.545.755.925.986.036.046.056.056.06由數(shù)據(jù)表可繪制下圖：光強(qiáng)調(diào)制電壓關(guān)系曲線(xiàn)圖實(shí)驗(yàn)7：聲光調(diào)制頻率偏轉(zhuǎn)特性數(shù)據(jù)記錄與處理表F/MHzd1d/mmdI60.008.0531.7030.00640.2164.987.8051.9510.00740.2469.897.6322.1240.00800.2174.987.4052.3510.00890.2380.147.2852.4710.00930.2685.027.0972.6590.01000.4989.896.9502.8060.01061.0194.996.7553.0010.01130.96100.006.5353.2210.01220.82其中：聲光調(diào)制器到接收孔之間的距離L=L1零級(jí)光位置d0F為調(diào)制頻率d1一級(jí)光與零級(jí)光距離聲光調(diào)制偏轉(zhuǎn)角Id偏轉(zhuǎn)角調(diào)制頻率關(guān)系曲線(xiàn)圖從圖中可以看出偏轉(zhuǎn)角調(diào)制頻率呈線(xiàn)性關(guān)系由線(xiàn)性回歸分析可得： d=-0.00164+0.*F （1）下圖為衍射光強(qiáng)與調(diào)制頻率的關(guān)系曲線(xiàn)圖實(shí)驗(yàn)8：測(cè)量聲光調(diào)制