Radio interference impact on acousto-optic correlator performance

Autor:	Alexander B. Sergienko, Victor N. Ushakov
Rok vydání:	1996
Předmět:	business.industry Computer science Frequency band Dynamic range Electromagnetic interference Spread spectrum symbols.namesake Optics Signal-to-noise ratio Interference (communication) Gaussian noise Optical correlator symbols Electronic engineering business
Zdroj:	SPIE Proceedings.
ISSN:	0277-786X
DOI:	10.1117/12.243139
Popis:	Time-integrating acousto-optic correlators (TIAOC) provide effective means for spread spectrum signal processing in various applications. Proposed by the authors two- dimensional quadrature radio-frequency TIAOC combines relative simplicity of quadrature channel implementation with extremely wide frequency band limited by the corresponding parameter of the Bragg cells used. When designing signal processors for communication or navigation systems, estimation of radio interference impact on system performance is essential. The paper is concerned with evaluation of dynamic range and sensitivity of the TIAOC mentioned with radio interference taken into account as well as external Gaussian noise. General results obtained are particularized for a simple case of harmonic interference. Such an interference is shown to have negligible effect on dynamic range and sensitivity of the device when interference power is less than that of Gaussian noise.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::e7987c3754253cab6dc98c40bd715b0e https://doi.org/10.1117/12.243139 Zobrazit plný text záznamu