| 1. | One antenna has a delayed 0 . 5ns relative to the others ( prior to sampling ) 其中有一个阵元输出有一通道经延时后再采样。 |
| 2. | A main mission of antenna pattern synthesis is to determine the array ’ s excitation coefficients 天线方向图综合的一项主要任务,是确定阵元的激励系数。 |
| 3. | Array antennas can realize complicated pattern through adding every antenna ’ s spacial response 阵列天线通过其各个阵元空间响应的叠加,可以实现复杂的方向图。 |
| 4. | The gsc can retain high performance in interference - reduction under the condition of less array elements 旁瓣对消器可以在阵元较少的情况下依然保持高的干扰抑制性能。 |
| 5. | It ' s necessary to take mutual coupling of arrays into account in the research of array pattern synthesis 摘要在天线阵综合的实际情况中,考虑阵元间的互耦影响是十分必要的。 |
| 6. | The main feature of aesa is to adaptive produce null in the pattern by weight control of elements in the array 通过阵元收发幅相的权矢量控制,以使波瓣在产生干扰的方向“置零” 。 |
| 7. | Eleminating the doa ambiguity has to be considered when the interval between two array elements is larger than the half of the wavelength 当阵元间距大于半波长时,必须考虑相应的解模糊问题。 |
| 8. | Also the emitting and receiving circuit was designed , and the emitting and receiving delay of each unit was controlled by computer 设计了发射和接收电路,通过计算机控制实现探头各晶片阵元的延迟发射与接收。 |
| 9. | They are the property of sum and difference beams , the errors of the elements and channels and different pulse repeating frequency ( prf ) 这些因素包括和、差波束的特性、阵元和通道的误差、不同的脉冲重复频率( prf ) 。 |
| 10. | An adaptive algorithm is applied to pattern synthesis of linear arrays with mutual coupling , which is of great practical significance 应用一种自适应算法进行天线阵方向图综合,把阵元间的互耦考虑在内,具有很强的实际意义。 |