Lolu hlelo lokusebenza ingasetshenziswa ukuthola kwabantu amandla ugongolo main of the antenna. Umsebenzisi utshelwa ukuba angene inzuzo a antenna umbhoshongo-aboshelwe dB, amandla Transmitter in Watts kanye nebanga elivela antenna in amamitha.
Njengoba isibonelo, faka inzuzo = 40,0, P = 5.0 kanye R = 20.0 ke bacindezela "Calculate 'futhi impendulo yakho kufanele ibe 9.95 W / m ^ 2.
Kubuyekezwe ngo-
Mas 10, 2015