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1)  SAW ladder filters
声表面波(SAW)梯形滤波器
2)  surface acoustic wave (SAW)
声表面波(SAW)
3)  Surface Acoustic Wave(SAW)
声表面波(SAW)
4)  SAW(surface acoustic wave)
声表面波天平(SAW)
5)  SAW filter
SAW滤波器
1.
Reliability analysis of SAW filter and its test;
SAW滤波器的可靠性分析及其测试研究
2.
The input interdigital transducers (IDTs) in SAW filters are uniformly weighted while the output IDTs have the modified Hamming window structure.
本文提出了一种新技术,可以提高SAW滤波器频响的旁瓣抑制,同传统的标准加权归一化方法相比有三倍的改善。
3.
Taking SAW filter as a network,the optimum performance of the filter with good matching parameters is simulated through calculationAlso the CLMR SAW filter is introduced in detailIn practical,246 MHz SAW IF filter has been used in GSM with an insertion loss of 857 dB (before matching) and 435 dB (after matching) respectivelyThe passband ripple is about 045 d
把声表面波 ( SAW)滤波器作为一个网络 ,测出参数 ,通过计算模拟出其最佳的滤波器性能 ,取得较好的匹配参数 ;同时较详细的介绍了复合纵向耦合谐振型 ( CL MR) SAW滤波器的结构 ,给出了 GSM中频用 2 4 6MHz SAW低损耗滤波器的应用实例 ,未匹配的插入损耗为 8。
6)  SAW filter
SAW 滤波器
1.
When SAW filters were designed by the conventional transversal filter method,if the length was not confined,the response of the arbitrary band-pass form could be synthesized.
用传统的横向滤波器的方法设计 SAW 滤波器,若长度不限制,可合成任意带通形状的频响,为降低三次行程信号(TTS),滤波器通常失配,因而插入损耗较大。
补充资料:波数字滤波器
      由两端终接电阻负载的无源LC梯形滤波器导出的一种数字滤波器结构。应用双线性变换S=k(1-Z-1)/(1+Z-1)可将用波参数描述的无源元件,实现为数字元件。表1列出了无源元件R、C、L及其对应的由延时单元、乘法器和加法器构成的数字元件。