This ratio is called as the side lobe level (expressed in decibels).
这个比值叫做旁瓣电平(以分贝数表示)。
Generally, side lobe level of a sparse-array at arbitrary position is high.
任意位置稀布阵通常具有较高的副瓣。
Because of the travelling-wave make-up and specific design, the broader bandwidth and the lower side lobe level can be achieved.
由于采用了行波结构和特殊设计,所以能够获得较宽的频带和较低的副瓣电子。
Using this method the side-lobe level is suppressed more through double weighting in time domain.
采用双加权的失配处理分析方法,在时域进一步降低压缩脉冲的旁瓣电平。
In the process of genetic manipulation, encoding method is improved, fitness function is constructed not only considering nulling depth, but also the side lobe gain to maintain a certain level.
在遗传操作过程中,改进了编码方法,构造的适应度函数不但以一定的零陷深度为目标,还考虑副瓣的增益维持在一定的水平。
Analysis shows that, only when the size of the hole is larger than 0.2 wavelengths will the variation of the antenna gain and the side-lobe level become obvious.
分析发现,只有当孔径大于一定的尺寸(约0 . 2 0个波长)时,天线增益和副瓣电平才会发生明显变化。
There are two disadvantages in adaptive beam forming in the presence of main lobe interference, one is heightening of side-lobe level, the other is distortion and peak offset of main beam.
在自适应波束形成技术抑制干扰问题中,当存在主瓣干扰时,便暴露出两个缺陷:一是副瓣电平增高;
Monte Carlo method and the eigen-driven analysis method are combined to simulate the effects of errors on side-lobe level distribution of the Ultra-low side-lobe arrays.
采用本征激励法,在考虑互耦影响下,数值模拟了幅度误差、相位误差、位置误差和不平行度偏差等对超低副瓣阵列天线方向图性能的影响。
Monte Carlo method and the eigen-driven analysis method are combined to simulate the effects of errors on side-lobe level distribution of the Ultra-low side-lobe arrays.
采用本征激励法,在考虑互耦影响下,数值模拟了幅度误差、相位误差、位置误差和不平行度偏差等对超低副瓣阵列天线方向图性能的影响。
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