Theoretical performance of a GPS linked Pulsed Ring Down Array

Current research at Texas Tech University is focused on the development of a High-Power Pulsed Ring-Down Source (PRDS) Antenna Array. Previously, a Monte Carlo based analysis was conducted in order to predict the array performance based upon the estimated switching jitter between elements (1). This analysis showed good performance for jitter times between 0 to 2 periods of the ringing frequency. Therefore, for ringing frequencies up to 500 MHz, jitter times up to 4 nanoseconds can be tolerated. Subsequently, we have shown practical switching solutions capable of the sub-nanosecond switching performance needed for the frequencies of interest (2). Taking the analysis a step further, we introduce the uncertainty of the absolute position of each antenna element. To implement a randomly distributed array, where the position of elements is not fixed, a method of accurately resolving element positions relative to each other and the target location is required. The use of a variety of GPS technologies and techniques is explored as a method for position and timing resolution. The relative accuracy between elements and the absolute accuracy of each element is discussed. A Monte Carlo based analysis is conducted to predict array performance based upon GPS positional error, GPS timing error, and switch jitter.

...Many techniques and innovations such as the use of GPS carrier phase measurements [7], the use of temperature stabilized antennas [10] and the use of Global Navigation Satellite System (GLONASS) as a supplementary tool [7], have been realized in recent years to improve GPS timing solutions...
...Concurrent efforts in developing a working PRDS array include, antenna element simulation and testing [8], testing of a monopole PRDS array using low jitter trigger sources [9], simulations of energy on target with positioning errors using GPS technology [10], and testing of a triggered, low jitter, 50 kV, high frequency switch [11]...
...The switch jitter [11], trigger jitter [9], GPS position errors [10], and GPS timing error...
...The positioning error is set to 0 as it is discussed in detail in [10]...
...Although this simulation does not address GPS positioning error and operation frequency, previous work has focused on these topics alone [10]...
...Concurrent simulations described in [10], showed a similar exponential loss when the test frequency was increased...
...Simulations results in [10] also showed that with a ~0.2 m positional error, ~3 ns jitter, and a 175 MHz operation frequency, the system would have an average electric field magnitude on target of ~64 % of the ideal case...
...Future plans of combining components described in this paper as well as in [9, 10, 11] are being discussed...

Keywords (3)

Theoretical performance of a GPS linked Pulsed Ring Down Array,10.1109/IPMHVC.2010.5958437,D. Reale,J. Mankowski,S. Holt,Y. Chen,J. Walter,J. Dickens

Citation Context (4)

D. Reale, et al. Theoretical performance of a mobile GPS linked pulsed ring down array

Y. Chen, et al. Phased array pulsed ring-down source synchronization with a GPS based ...

Y. Chen, et al. Evaluation of a triggered 50 kV, 100 Hz, sub-ns jitter high pressure g...

Y. Chen, et al. Synchronization of phased array pulsed ring-down sources using a GPS b...

References (2)

Optimization of a low jitter, 50 kV, 100 Hz triggered spark gap with high pressure gas mixtures (Citations: 7)

Theoretical Pulsed Ring Down Antenna Array Performance (Citations: 7)

Citations (4)

Theoretical performance of a mobile GPS linked pulsed ring down array

Phased array pulsed ring-down source synchronization with a GPS based timing system

Evaluation of a triggered 50 kV, 100 Hz, sub-ns jitter high pressure gas switch with pressure, trigger magnitude and gas temperature

Synchronization of phased array pulsed ring-down sources using a GPS based timing system (Citations: 1)


	The following links allow you to view full publications. These links are maintained by other sources not affiliated with Microsoft Academic Search.


	BibTex \| RIS \| RefWorks Download