英语翻译The directivity of an antenna has been defined as “the ratio of the radiation intensity in a given direction from the antenna to the radiation intensity averaged over all directions”.In other words,the directivity of a nonisotropic so
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 13:02:40
xRN0~> X(@l-3CHBb58aȻuoah=I/zz5jxx1Ka3T)% ZArP@ 0A&PEbP`iab]5k%d@74;5PG+Ɨ
bL Xnuf e&ψ_