| 1. | the far-field pattern in the plane of the junction consists in this case of only a single dominant lobe about 6-9°wine at the half-intensity point.
沿结平面方面的运场图形就只是半一强度点约为6-9的唯一主瓣。 |
| 2. | Maximum relative side lobe level
最大副主瓣比 |
| 3. | The antenna system has a good characteristic with wide symmetrical beamwidth , broad impedance bandwidth and compact structure
整个线性渐变槽天线系统具有对称波瓣、宽频带、宽主瓣和结构紧凑等特点。 |
| 4. | < uk > the far - field pattern in the plane of the junction consists in this case of only a single dominant lobe about 6 - 9 wine at the half - intensity point . < / uk >
< uk >沿结平面方面的运场图形就只是半一强度点约为6 - 9的唯一主瓣。 < / uk > |
| 5. | When the signal frequency is 4688hz , the width of the main lobe of the directivity is 28 degrees and the theoretical value is 26 degrees
指向性测试结果显示,最大值方向和第一对最低点宽度与理论值吻合,主瓣宽度实测28度,而理论值为26度。 |
| 6. | With the algorithm pattern synthesis for uniform and nonuniform arrays is performed and mainlobes and sidelobes can be controlled effectively as designed
分别对等间距和不等间距阵列进行了方向图综合，都能够按设计要求有效地控制主瓣电平和副瓣电平，使其达到预期的效果。 |
| 7. | 4 . problem of circular array ’ s high side - lobe ( relative to main - lobe ) and the lower depth of zeros is resolved using mode space transform , which changing uniform
4 .利用模式空间变换将均匀圆形阵列转化成虚拟的均匀线阵,解决了圆形阵列副瓣电平较高(相对于主瓣) 、零点深度相对较浅的问题。 |
| 8. | A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented
摘要通过数值计算发现：将抛物线绕通过焦点的非抛物线对称轴旋转而形成的赋形抛物面天线可产生环状的方向图主瓣（此主瓣指的是主瓣最大值处） 。 |
| 9. | We studied the characteristic of the signals and processing methods . spatially variant apodization algorithm is introduced to significantly reduce sidelobe levels without degrading mainlobe resolution
用sva的方法对回波信号加权,在有效抑制isar回波脉冲包络旁瓣电平的同时提高信号的主瓣分辨率。 |
| 10. | At last this paper points out that precision of test can be improved by enhancing reflection level of quiet - zone , and researches the relation of reflection level , precision of test and main lobe of testing radar
最后指出可以通过提高静区静度指标要求到达提高试验精度的目的，并研究了静区指标与被试品主瓣宽度、角模拟精度之间的关系。 |
