Impulse Characteristics of Complex Filters
Abstract
Introduction: When developing such information processing systems as Doppler measuring instruments for speed or acceleration, moving target selection systems, radio altimeters with frequency modulation of the bearing signal, or coordinated devices for detection and assessment of object parameters, the developers often use coherent methods of signal reception and analysis. In particular, they use complex filters with complex impulse characteristics which allow you to find output signals for any preset input signals by means of integral of imposing. Purpose: We need to develop a technique of synthesizing complex filters with preset frequency properties on the basis of complex impulse characteristics. Results: We have obtained expressions in general terms for quadrature components of impulse characteristics of both band and rejection complex filters. This allows you to find their output signals for the known input ones. The suggested theoretical statements are substantiated by concrete examples. Practical relevance: The use of complex filters in coherent systems of signal processing allows you to fully consider the temporal and spectral-correlation characteristics of the input signals and to considerably increase the efficiency of various radio-technical systems.Published
2017-08-21
How to Cite
Ziatdinov, S., & Sokolova, Y. (2017). Impulse Characteristics of Complex Filters. Information and Control Systems, (4), 111-114. https://doi.org/10.15217/issn1684-8853.2017.4.111
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Section
Brief scientific reports