h-cosh Window Function and its Applications

Zou Mou-yan and Liu Rui-rong

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h-cosh Window Function and its Applications

更新时间：2025-12-08

- h-cosh Window Function and its Applications
- Acta Electronica Sinica Issue 1, Pages: 85-92(1985)
- 作者机构：
  
  北京遥感设备研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1985
- 稿件说明：
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[1]邹谋炎,刘瑞荣.I_1-ch窗函数及其应用[J].电子学报,1985(01):85-92.

Zou Mou-yan and Liu Rui-rong. h-cosh Window Function and its Applications[J]. Acta Electronica Sinica, 1985, (1): 85-92.
[1]邹谋炎,刘瑞荣.I_1-ch窗函数及其应用[J].电子学报,1985(01):85-92. DOI：

Zou Mou-yan and Liu Rui-rong. h-cosh Window Function and its Applications[J]. Acta Electronica Sinica, 1985, (1): 85-92. DOI：

摘要

-ch窗函数是Dolph-窗函数的一个极好的近似

它在时域和频域都能给出显式表达

因而应用上比Dolph-窗函数方便得多。本文研究了I

-ch窗函数的性质

着重讨论了在滤波器设计中的应用

说明了与其他窗函数方法以及最优化方法相比

-ch窗方法兼有运算量小和接近最佳设计的优点。最后还给出了实际应用的例子。

Abstract

I1-cosh window function is a good approximation of Dolph-Chebyshev

whereas its expression can be given explicitly in time domain as well as in frequency domain. Therefore

it is more convenient for use than Dolph-Chebyshev. Its properties are investigated. Special stress is placed on its applications for the design of filters. In comparison with other designs

say the design based on using Kaiser window or iterative optimization techniques. I1-cosh design is nearly optimal

and requires only a few calculations. Finally

two practical examples of SAW filters based on I1-cosh window are illustrated.

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