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Parametric Study and Radiation Pattern of Square Spiral Antenna

机译:正方形天线的参数研究和辐射模式

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Frequency-independent antennas are used in applications that require greater bandwidths. Bi-conical spirals antennas, and log-periodic antennas are often classified as independent of frequency, since the spiral antennas can be built as planers structures in accordance with the principle. Aluminum Nitride has been used as antenna substrate of thickness 2mm relative permittivity 8.2 and tangent loss (tanδ) 0.003. Measured loss is 2.1 dB at 7GHz. Width of the strip spiral have been taken di= 2 mm d2= 3 mm and the spiral spacing 4mm. A strip is mounted at the center point. Various parameters are studied for the spiral antenna. The effect of feed gap, which is a critical parameter for the performance of antenna, is studied for different frequencies.
机译:频率无关的天线用于需要更大带宽的应用中。 双旋螺旋形天线和对数周期天线通常被分类为独立于频率,因为螺旋天线可以按照原理作为刨床结构构建。 氮化铝已被用作厚度为2mm相对介电常数8.2和切线损耗(TANδ)0.003的天线底物。 测得的损失为7GHz时为2.1 dB。 已采取条带螺旋的宽度di = 2 mm d2 = 3 mm,螺旋间距为4mm。 一条带安装在中心点。 研究了各种参数用于螺旋天线。 对不同频率进行了研究,这是对天线性能的关键参数的饲料间隙的效果。

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