Dual-frequency distortion predictions for the cutler VLF array

被引：5
|
作者：
Berg, EC
Roberts, MA
Simpson, TL
机构：
[1] Univ Calif Irvine, Irvine, CA 92697 USA
[2] Univ S Carolina, Columbia, SC 29208 USA
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2003年 / 39卷 / 03期
关键词：
Intermodulation distortion - Software Package PSPICE - Very low frequency transmitting system;
D O I：
10.1109/TAES.2003.1238753
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The VLF transmitting system in Cutler, ME currently broadcasts at one frequency through a two-element antenna system. This study investigates simultaneous operation at 24.0 and 17.8 kHz. Detailed nonlinear PSPICE models were generated for the system including the amplifier triodes, saturable dynamic-tuning reactors, and the closely-coupled antenna elements. The predicted behavior is in close agreement with available observations. Upper limits are placed on harmonic content, < -59.8 dBc, and intermodulation distortion, < -78 dBe.
引用
收藏
页码：1016 / 1034
页数：19
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