Next the electromagnetic field on aperture was found, and then proceeded to sum up five common features of aperture field of parabolicantenna.
接着求出口径上的电磁场,进而归纳出抛物面天线口径场的四大共同特征。
3
To handle the dusty environment that some solids generate, the Rosemount 5600 can also be equipped with a PTFE protective cover around its most valuable attribute, the parabolicantenna.