Simulated results show that the directivity and the gain of the array are improved.
模拟结果表明,天线阵的方向性以及增益都得到了加强。
It is proposed to use the energy concentration factor and directivity factor as indication of the directivity of the array, and formulae as well as the way of using them are presented.
对切比雪夫阵的指向性提出了用能量集中因数和指向性因数表达的概念,并给出了二者的计算方法和使用范围。
It is shown by the application that, to a certain extent, the conclusion has practical value and guide meaning for the directivity simulation and design of the array.
应用表明,结论对于基阵方向性的仿真与设计具有一定实用价值和指导意义。
Acoustic vector sensor with the electronic rotating directivity of dipole can effectively detect signal in the background of noises. More information can certainly be obtained by vector sensor array.
单矢量传感器具有可电子旋转的偶极子指向性,声压、振速信息联合矢量信号处理在噪声背景下有良好的探测能力,矢量(传感器)阵能取得更好的能力。
The directivity of curvilinear dipole is analysed by the basic principle of antenna array, the relationship between the directivity and the length of curvilinear dipoles is obtained.
本文利用天线阵基本原理近似分析了曲线振子的方向性系数,得到了方向性系数随曲线振子长度的变化关系,为曲线振子天线的进一步研究及设计提供参考。
This paper presents a kind of two-element array, discusses its possibility of being used for array miniaturization and analyses the main factors for influencing its unilateral directivity.
本文介绍了一种单向性二元阵,探讨了其在基阵小型化中应用的可能性,分析了影响这种阵单指向性的主要因素。
The paper studied the measurement method for directivity of phased-array acoustic transmitter in acoustic log by experimental modeling method.
本文通过实验模拟的方法研究了声波测并相控线阵声波辐射器的指向性测量方法。
The radiation directivity of a complicated conformal array of underwater acoustic transducers is presented based on the boundary element method.
用边界元方法,给出了水声发射换能器共形阵各阵元的单元指向性以及基阵的自然波束指向性和束控波束指向性。
The directivity of in array excited by weighted Walsh current has also been calculated.
最后计算用沃尔什电流加权激励的天线阶的方向性。
The directivity function is used to describe the sound field of single-frequency and broad-band waves produced by a medical linear array.
用指向性函数分别描述了医用线列阵单频波和宽带波声场。
A method to obtain the vertical directivity of hydrophone triplets towed line sonar by the optimal array processing is introduced in brief at first.
文章首先简介了一种获得三元组拖线阵声纳宽带最佳阵处理垂直指向性图的方法,并阐述了如何基于垂直指向性图进行左右舷分辨。
The directivity of in array excited by weighted Walsh current has...
最后计算用沃尔什电流加权激励的天线阶的方向性。
The directivity of new end-fire array is higher than ordinary ones and the coupling is lower than Hansen-Woodyar…
端射阵根据馈电相位的不同,分为普通端射阵和汉森伍德端射阵。
The directivity of new end-fire array is higher than ordinary ones and the coupling is lower than Hansen-Woodyar…
端射阵根据馈电相位的不同,分为普通端射阵和汉森伍德端射阵。
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