ntime

程序计算了国产矩形波导BJ-100的传输特性。通过查阅资料可以知道BJ-100波导管的结构参数为频率范围（8.2GHz~12.5GHz）结构参数a=22.86mm,b=10.16mm FDTD计算

   6.920524    
   7.035866    
   7.151208    
   7.266550    
   7.381892    
   7.497234    
   7.612576    
   7.727918    
   7.843260    
   7.958602    
   8.073944    
   8.189286    
   8.304628    
   8.419971    
   8.535313    
   8.650655    
   8.765997    
   8.881339    
   8.996680    
   9.112022    
   9.227365    
   9.342707    
   9.458049    
   9.573391    
   9.688733    
   9.804075    
   9.919417    
   10.03476    
   10.15010    
   10.26544    
   10.38078    
   10.49613    
   10.61147    
   10.72681    
   10.84215    
   10.95750    
   11.07284    
   11.18818    
   11.30352    
   11.41886    
   11.53421    
   11.64955    
   11.76489    
   11.88023    
   11.99557    
   12.11092    
   12.22626    
   12.34160    
   12.45694    
   12.57228    
   12.68763    
   12.80297    
   12.91831    
   13.03365    
   13.14899    
   13.26434    
   13.37968    
   13.49502    
   13.61036    
   13.72571    
   13.84105