VGPI

AcronymDefinition
VGPIVisual Glide Path Indicator
References in periodicals archive ?
Figure 17 shows the velocity estimation results in scenario [s.sub.B] under VGPI jamming which pulls in the spectrum of the received signal and makes the aircraft seem slower as 4 m/s per second.
Caption: Figure 7: An example of velocity deceptive jamming: (a) VGPO; (b) VGPI.
Caption: Figure 17: Frequency estimation results under VGPI jamming.