omnidirectional
1.VHF omnidirectional range—VOR
2.Design of Omnidirectional Antenna for Radar Beacon
3.VHF omnidirectional range and tactical air navigation —VORTAC
4.The Omnidirectional RWR is an important airborne ECM equipment.
5.an omnidirectional antenna tuned to the broadcast frequencies assigned to television.
6.A method of estimation of omnidirectional DOA based on 3D linear array
7.Prospects for “Engine-Propulsion Device-Rudder” (EPR) Omnidirectional Steering and Control System for Naval Crafts
8.The directional of microphone: the unidirectional and the noise canceling microphone have vents at the bottom; oppositely, the omnidirectional microphone is completely sealed.
9.Materials and Methods: 17 Hypertensives with diastolic dysfunction and 17 normal control subjects were studied with LEJ-1 omnidirectional M mode echocardiography.
10.The parallelly fed high gain omnidirectional antenna is realized. The gain of antenna is greater than 10 dBi and VSWR≤1 5 with the frequecy band of antenna being about 200 MC.

