Improved sidelobe performance of cosine series functions

Kulkarni R.G.; Lahiri S.K.

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Improved sidelobe performance of cosine series functions

机译：改善余弦序列函数的旁瓣性能

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The cosine series functions are used extensively for SAW filterndesign with noniterative techniques. This paper presents improvednsidelobe levels of these functions by rigorous application of criterianfor minimising the sidelobe peaks. An improvement of 2 dB in sidelobenlevels is achieved with respect to the earlier results. A new approachnis presented to determine the coefficients of these functions uniquely,nwhich reduces the number of simultaneous equations to be solved to N-1ncompared to N equations required to be solved in the earliernmethod

机译：余弦级数函数通过非迭代技术广泛用于SAW滤波器设计。本文通过严格应用最小化旁瓣峰值的标准提出了这些功能的改进旁瓣水平。与先前的结果相比，旁瓣电平提高了2 dB。提出了一种新的方法来唯一确定这些函数的系数，n与之前方法中需要求解的N个方程相比，可以将要求解的联立方程的数量减少至N-1n。

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |1999年第2期|p.464-466|共3页
作者
Kulkarni R.G.; Lahiri S.K.;
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正文语种 eng
中图分类声学工程;计量学;
关键词
series (mathematics); surface acoustic wave filters; SAW filter design; cosine series function; noniterative technique; sidelobe level;

机译：系列（数学）;声表面波滤波器;声表面波滤波器设计;余弦级数函数;非迭代技术;旁瓣电平;

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Improved sidelobe performance of cosine series functions

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