That's how we roll |
Apr. 11th, 2011|08:44 pm |
Equivalently, a QHA consists of two identical bifilar helices that are orthogonal and excited in time-phase quadrature. The QHA behaves as an interleaved endfire array with a largely hemispherical overhead, unidirectional pattern and circular polarization.
Pirms pus gada no šiem 2 teikumiem būtu sapratis labi ja 4 vārdus |
|