ID 原文 译文
2393 该算法利用权值逼近的方法，在非均匀子阵上形成静态和、俯仰差、方位差、双差波束以及指向副瓣干扰方向的和波束，差波束、指向副瓣干扰的和波束作为静态和波束的辅助波束，双差波束作为差波束的辅助波束， Weighting approximation method is adopted to produce weights to form sum, azimuth difference, elevation difference and double difference beams forirregular subarrays. Then azimuth difference, elevation difference beams and sum beam in the direction of sidelobe interfer-ence work as the auxiliary beams of static sum beam, while double difference beam works as the auxiliary beam of azimuthdifference and elevation difference beams.
2394 根据维纳滤波原理通过对辅助波束的优化加权对消掉和波束中的主副瓣干扰信号及差波束中的主瓣干扰信号，设计出一种新的干扰抑制和测角跟踪算法。 Based on the principle of Wiener filter, the auxiliary beams are weighted in the optimized way to cancel the mainlobe and sidelobe interferences in the sum beam and mainlobe interference in azimuth difference and elevation difference beams.
2395 所提算法结构简单、测角精度高、能同时抑制主副瓣干扰且鉴角斜率无需修正。 The proposed algorithm is of simple structure and high accuracy. It is able to sim-ultaneously suppress the mainlobe and sidelobe interferences without distortion of monopulse ratio.
2396 仿真实验和性能分析证明了所提算法的有效性和正确性。 Finally, the simulation re-sults and analyses prove the effectiveness of the method.
2397 完备高斯整数序列(PGIS)应用于扩频通信系统不仅能抑制干扰，而且可以获得高的传速率和频谱利用率， Perfect Gaussian integer sequences (PGIS)applied to spread spectrum communication systems can not on-ly restrain disturbance, but also obtain high transmission efficiency and spectrum efficiency.
2398 因此本文基于分圆类提出一类与现有 PGIS 参数不同的奇长度 PGIS 的构造方法，PGIS 的电平数(degree)为 2 和3，并且利用系数序列和交织方法将奇数长 PGIS 扩展为偶数长 PGIS。 Therefore, this paper presents aclass of PGIS with odd length and nonzero level (i. e. degree)for 2 and 3 based on cyclotomic classes. Simultaneously, u-sing coefficient sequence and interleaving method, the odd length PGIS is extended to even length PGIS.
2399 在一定条件下，基于分圆类的构造方法，可以获得大量高能量效率 PGIS，最大能量效率接近 1，这对工程应用具有重要的实际意义，本文的构造结果可为宽带扩频通信系统提供更多的地址选择空间。 Under certain con-ditions, based on the construction method of cyclotomic classes, a large number of high energy efficiency PGIS can be ob-tained, and the maximum energy efficiency is close to 1, which is of great practical significance to the engineering applica-tion. The result of this paper provides more address selection space for broadband spread spectrum communication systems.
2400 针对微波带通滤波器小型化、高性能的应用需求，提出使用单模和双模基片集成波导谐振器相结合设计广义切比雪夫带通滤波器。 Bandpass filters (BPFs)with generalized Chebyshev response using dual-and single-mode substrate inte-grated waveguide (SIW)resonators are proposed according to the miniaturization and high performances.
2401 该结构可实现盒型拓扑结构，并且双模基片集成波导谐振器中的主模 TE101作为非谐振节点提供一条额外的交叉耦合路径，并能增加一个有限的传输零点; The box-like to-pology with an additional cross-coupled path realized by the fundamental mode (TE101)of the dual-mode SIW cavity is pro-posed, and an additional transmission zero (TZ)is achieved.
2402 该结构不需要传统负耦合结构就能实现两个有限传输零点，并且该传输零点可以位于通带上方或下方，具有设计灵活的特点。 The traditional negative coupling structure is not required in the proposed structure, and two TZs can be realized;moreover, the structure has flexible responses that two TZs can be locatedon the lower and/or upper of passband.