tropospheric duct

tropospheric duct

[¦trōp·ə¦sfir·ik ′dəkt]
(anatomy)
References in periodicals archive ?
In particular, the occurrence of tropospheric duct can make radio wave beyond-line-of-sight propagation [1], extending communication range and detection distance of radar system.
This method is verified by transhorizon tropospheric duct test data.
Well known tropospheric ducts are surface duct (ground-based duct), surface-based duct and elevated duct as shown in Figure 1.