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- The surface acoustic waves (SAWs) are dispersive when the near-surface properties of materials are changed. 材料近表面性质的变化能够导致在其中传播的声表面波发生色散。
- The diffraction of surface acoustic waves in Raman-Nath regime on acoustic grating with linearly chirped spatial frequency is investigated. 本文将声表面波声栅上的Raman-Nath衍射现象研究发展到其周期的空间频率为线性变化的声栅情形。
- For very high frequency clocks, a surface acoustic wave (SAW) oscillator is preferable. 对于非常高的频率时钟，用声表面波振荡器更好。
- Ken-ya Hashimoto, Surface Acoustic Wave Devices in Telecommunications: modeling and simulation, Springer, 2000. 陈建宏,通讯用压电陶瓷材料及元件,工业材料115期,1996。
- Chemical sensing film is the key component of surface acoustic wave (SAW) gas sensor. 化学吸附敏感膜是声表面波(SAW)气体传感器的关键组成部分。
- We have been developing very small devices for communications, which are SAW FILTERS(Surface Acoustic Wave Filters) and supplying a lot to the market. 现在又充分利用所积累的技术,开发出了超小型通讯元件“SAW(弹性声表面波)过滤器”,已投放至众多市场。
- Surface Acoustic Wave Components, Capacitors, EMC Filters,NTC Thermistors,PTC Thermistors,Ferrites &Accessories ,Inductors,Microwave Ceramics, Arrestors,RF Modules etc. 声表面波元件;电容器;电源滤波器;热敏电阻;压敏电阻;铁氧体磁心与附件;电感器件;微波陶瓷元件;气件放电管;射频前羰模块等等.
- The accelerometers based on the surface acoustic wave(SAW)devices have the advantages of extremely high sensitivity and precision. 声表面波（SAW）加速度传感器的精度高，具有数字量输出、体积小、功耗低、抗干扰力强、可靠性高等优点。
- This paper discussed the PN spread spectrum(SS) communication problem in the CNI system implementation using surface acoustic wave device(SAWD) AS key unit. 本文从理论上探讨了以表面声波器件（SAWD）为核心实现CNI系统中 的伪噪声扩频通信问题。
- We have ten main patent rights about SAWF, such as low-loss surface wave intermediate frequency filters and surface acoustic wave duplexer for wireless telephone. 拥有通信用低插损声表面波中频滤波器、无绳电话用声表面波双工器等十项核心专利技术。
- Objective To investigate the effects of ion concentrations of PBS buffer on hybridization efficiency with peptide nucleic acid(PNA) leaky surface acoustic wave(LSAW) gene sensor. 目的探讨PBS缓冲液的离子浓度对构建的肽核酸(PNA)漏声表面波(LSAW)基因传感器杂交效应的影响。
- Surface acoustic wave (SAW) devices have been widely used in modern communication technology due to its small size and better performance in the frequency above gigahertz. 表面声波元件因其体积较小及适合于高频时使用的优势，已广泛为目前通讯产品如手机等所使用。近年来，随著通讯产业的发展，所须操作的频率越来越高，对于能操作在超高频段的表面声波滤波器的研究变成一个热门的领域。
- Compared with modulation based radio sensors, the passive and telemetric surface acoustic wave (SAW) sensors are absolutely necessary in some special environment applications. 无线传感系统是传感器的一个研究热点，与基于调制解调的无线传感器相比，基于声表面波的无线传感器在许多特殊场合日益显示出其必要性和重要性。
- Using these fiber interferometers we detected in aluminum the surface acoustic wave (SAW) excitated by laser pulse and made a comparison with other detection means. 同时，制作了这两种光纤干涉仪，并应用光纤干涉仪对脉冲激光在铝块中激发的超声表面波进行了测试，得到了激光超声表面波的波形。
- This article studies the main content and the conclusion are as follows:1. High visible laser interference patterns from liquid surface acoustic waves (SAW) at a few tens Hertz were obtained experimentally. 本文研究的主要内容和结论如下:1 对于频率为几十赫兹的液体表面声波(surface acoustic waves,SAW),观察到反射光所形成的稳定、清晰的激光干涉图样。
- This work presents an innovative design and fabrication of phononic crystals integrated with two sets of interdigital (IDT) electrodes for frequency band selection of surface acoustic waves (SAW). 本文旨在使用新颖方法，设计并将微米级的周期性介电质结构(声子晶体)与一组叉指状电极表面声波元件整合制程，电磁波通过声子晶体时由于反射波对入射波造成干涉，发生所谓的频沟现象，阻挡在某些频率振荡之电磁波通过。
- 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；
- Numerical results demonstrate that laser generated surface acoustic wave is comprised with three components, namely surface skimming longitudinal wave, surface shear wave and Rayleigh wave. 数值结果表明：在激发的超声表面波中包括掠面纵波、表面横波和单极性的Rayleigh波等三种模式。
- The elementary principle is to make use of the band pass characteristic of surface acoustic wave filter (SAWF) choose SAW signal matched the direction of acceleration. This plan is also a base for enlarging measure range of SAW accelerometer. 声表面波滤波器(SAWF)是一种性能优良的新型电子器件,本文基于SAW滤波器的带通滤波性质,设计了一种新的SAW加速度计系统,它不仅实现了判断加速度方向的客观需求,而且为加速度计基本量程的扩大创造了条件。
