scholarly journals Measured radial dependence of the peak sheath voltages present in very high frequency capacitive discharges

2007 ◽  
Vol 90 (20) ◽  
pp. 201503 ◽  
Author(s):  
E. V. Barnat ◽  
P. A. Miller ◽  
G. A. Hebner ◽  
A. M. Paterson ◽  
Theodoros Panagopoulos ◽  
...  
Keyword(s):  
High Frequency ◽  
Radial Dependence ◽  
Very High Frequency ◽  
Capacitive Discharges ◽  
Very High

Influence of select discharge parameters on electric field transients triggered in collisionless very high frequency capacitive discharges

2019 ◽  
Vol 26 (10) ◽  
pp. 103508 ◽  
Author(s):  
Sarveshwar Sharma ◽  
Nishant Sirse ◽  
Abhijit Sen ◽  
Miles M. Turner ◽  
Albert R. Ellingboe
Keyword(s):  
Electric Field ◽  
High Frequency ◽  
Very High Frequency ◽  
Discharge Parameters ◽  
Capacitive Discharges ◽  
Very High

Experimental Investigation of very High Frequency Slot Antenna on M-60A-1 Tank

1977 ◽  
Author(s):  
D. V. Campbell ◽  
William Kennebeck ◽  
A. Zanella ◽  
Paul Sexton
Keyword(s):  
Experimental Investigation ◽  
High Frequency ◽  
Slot Antenna ◽  
Very High Frequency ◽  
Very High

A collision feedback based multiple access control protocol for very high frequency data exchange system in E-navigation

2021 ◽  
pp. 1-16
Author(s):  
Xu Hu ◽  
Bin Lin ◽  
Ping Wang ◽  
Hongguang Lyu ◽  
Tie-Shan Li
Keyword(s):  
Access Control ◽  
High Frequency ◽  
Multiple Access ◽  
Data Exchange ◽  
High Frequency Data ◽  
Frequency Data ◽  
Exchange System ◽  
Very High Frequency ◽  
Time Division ◽  
Very High

Abstract The very high frequency data exchange system (VDES) is promising in promoting electronic navigation (E-navigation) and improving navigation safety. The multiple access control (MAC) protocol is crucial to the transmission performance of VDES. The self-organising time division multiple access (SOTDMA) protocol, as the only access mode given by current recommendations, leads to a high rate of transmission collisions in the traditional automatic identification system (AIS), especially with heavy traffic loads. This paper proposes a novel feedback based time division multiple access (FBTDMA) protocol to address the problems caused by SOTDMA, such that collision of transmissions can be avoided in information transmission among vessels. Simulation results demonstrate that the proposed FBTDMA outperforms the traditional SOTDMA in terms of channel utilisation and throughput, and significantly reduces the transmission collision rate. The study is expected to provide insights into VDES standardisation and E-navigation modernisation.

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