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用于产生等离子体的表面波激励功率会影响到等离子体天线的实际应用。针对这一问题,本文在搭建表面波等离子体天线实验系统的基础上,通过实验分别研究了表面波激励功率对等离子体天线噪声电平的影响以及激励功率自身的辐射特性。结果表明,等离子体天线的噪声电平会随着激励功率的增大而提高。此外,表面波等离子体天线工作时激励功率会存在较大的辐射,因而会对附近区域内的电子设备构成一定的干扰,并且激励功率越大,天线附近的辐射场越强,形成的干扰也越大。所得的结论对于表面波等离子体天线的应用具有参考价值。
The surface wave excitation power used to generate the plasma affects the practical application of the plasma antenna. In response to this problem, based on the experimental system of the surface plasmon resonance plasma antenna, the effects of the surface excitation power on the noise level of the plasmon antenna and the radiation characteristics of the excitation power are studied experimentally. The results show that the plasma antenna noise level will increase with the excitation power increases. In addition, the surface wave plasma antenna work excitation power there will be a larger radiation, which will be in the vicinity of the electronic equipment constitute a certain interference, and the greater the excitation power, the radiation field near the antenna is stronger, the formation of interference The bigger The conclusions obtained are of reference value to the application of surface wave plasma antenna.