The utility model adopts surface acoustic wave filter, and the circuit is simple to realize. 采用声表面波滤波器,电路实现简单,调整方便,一致性好。
A Study of Defected Ground Structure Filters and Thin Film Bulk Acoustic Resonator Filters; sound surface wave multichannel filter assembly 缺陷地面结构滤波器和薄膜声体波谐振器滤波器研究声表面波多通道滤波器组件
Study on Bulk Acoustic Wave Ladder Filter Using AlN Thin Film Research on Waveform Modulation Technique for Staircase Inverters AlN薄膜体声波梯形滤波器的制备与性能分析阶梯波合成逆变器的波形调制技术研究
Sound surface wave band pass filter e acoustic wave pulse compression filter 声表面波带通滤波器声表面脉冲压缩滤波器
PUS ( Passive Ultrasonic Sensor) e acoustic wave pulse compression filter 被动式超声波传感器声表面脉冲压缩滤波器
E acoustic wave pulse compression filter 声表面脉冲压缩滤波器
Exploration on Teaching of Surface Acoustic Wave Filter and Developing Students 'Comprehensive Ability 声表面波滤波器教学与学生综合能力培养的探索
Design of a RF Bulk Acoustic Wave Filter Using PZT Thin Film 采用PZT薄膜的体声波RF滤波器设计
Mathematics calculations and diagrams show that: short circuit instigate drop admittance has profound correspondence physics significance for surface acoustic wave filter, and the characteristic of division digital transducer can be described and designed using transmission line model. 通过数学推导和图解表明:短路策动点导纳对声表面波滤波器有着对应的物理意义,用传输线模型可对分裂指换能器的特性进行精确的描述和设计。
Evolutionary Design for Surface Acoustic Wave Filter 声表面波滤波器进化设计
Application of surface acoustic wave filter in television 声表面波滤波器在电视机中的应用
Evolutionary design for surface acoustic wave filter based on genetic algorithm 基于遗传算法的声表面波滤波器进化设计
This paper also analysis the EMC of the element in PCB. For the surface acoustic wave filter offered from certain academe, material analyse and account have adopted in the finding route of coupling and the measure of anti-jamming. 论文分析了PCB上器件的电磁兼容,对具体的某研究所提供的声表面波滤波器,在找出干扰途径以及采取对应措施过程中进行了具体分析计算。
Compared with the surface acoustic wave filter with same period and same size of all fingers of interdigital transducers, the frequency response of that which based on evolutionary design is improved greatly, especially in its side lobe suppression. 与典型的等周期、等指长的声表面波滤波器相比,采用进化方法设计,极大地提高了滤波器频率响应性能,旁瓣抑制得到了改善。
This paper gives a fast coarse synchronization method in which an acoustic wave convolver is employed as a programmable match filter in the TDMA spread-spectrum communication receiver. 本文给出了一种采用声表面波卷积器作为接收机的可编程匹配滤波器,实现时分多址直接序列扩谱信号的快速粗同步方法。
Surface Acoustic Wave Filter ( SAWF) is a sort of analogue device for signal processing. 声表面波器件是一种新型的模拟信号处理器件。
Analysis of the response of surface acoustic wave filter using admittance parametric 应用导纳参量分析声表面波滤波器的响应
Use method ( 1) named "the programmable trapping wave", which is merged with frequency spectrum convert in linear, Direct Digit Synthesizer and Surface Acoustic Wave Filter, to open a communication band in jam-band willfully. 使用融合了线性频谱搬移技术、数字频率合成技术以及声表面波滤波技术的可编程陷波法,在干扰频段内任意开辟出通讯频段窗口;
Surface Acoustic Wave filter and ceramic filter are primarily used in the traditional wireless communication systems; they can not meet the needs of current communication system because of large volume or low operating frequency. 传统用于无线通信的带通滤波器以介质陶瓷滤波器和声表面波滤波器为主,他们因为体积大或工作频率低等因素已经不能满足需要。