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1·An interdigital filter plays an important part in the microwave filters.

交指滤波器在微波滤波器中占有重要的地位。

2·The 3D microwave filter was simulated and optimized by the electromagnetic field analysis software and gained a finer result.

利用电磁场分析软件对三维微波滤波器进行了模拟和优化，得到了较好的结果。

3·Recently, the miniaturized and high performance microwave filter researches become a hot issue in the relevant research areas.

研究小型化、高性能的微波滤波器结构是当前非常受关注的课题。

4·Microwave filter is one of the most important components, and its performance will directly influence the communication system.

其中滤波器作为一种重要的微波元器件，它性能的优劣直接影响到整个通信系统性能的好坏。

5·Then based on the research of the lumped parameter circuit of the microwave filter, a novel LC type LTCC Bluetooth filter is presented.

同时以微波滤波器集总参数电路研究为基础和指导，设计了一款新颖结构的LC型LTCC蓝牙滤波器。

6·A new design principle of a tunable microwave filter having four coaxial cavities is developed. The skill of making and adjusting this kind filter is represented.

论述了四腔同轴调谐微波滤波器的设计原理，并介绍了该类滤波器的制做技术与调试技巧。

7·Small size, low weigh and high working frequency are the characteristics of multilayer ceramic microwave filter, and it is now being employed in communication and electric products application.

多层陶瓷微波滤波器是一种基于低温陶瓷共烧技术的新型滤波器，具有小型化、轻便化和高频化特点，在通信、汽车、数字化家电等产品中已得到广泛应用。

8·Usage: suitable for air tight seal welding with pressure protection of microwave device, sensor, filter and components that used on spaceflight and guided missile that have high requirement.

用途：适用要求较高的微波器件，传感器，滤波器及航天，导弹上应用的元件气密性带压力保护的封焊。

9·Microstrip hairpin filter has been widely used in the lower microwave frequencies for its compact structure and easiness of manufacture.

微带发夹型滤波器结构紧凑、易于制造，在微波低频端广为应用。

10·In part two, this paper discuss a kind of method design microwave active filter.

在第二部分，介绍了一类微波有源滤波器的设计方法。