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This paper describes a noise analysis of interference waveforms in swept source optical coherence tomography using a KTa1-XNbXO3 deflector. Noise reduction based on such analysis is needed for obtaining high-resolution images. The quality of the tomographic images depends on the signal-to-noise ratio (SNR) of the point spread functions (PSFs). The relationship between the noise of the interference...
Array antenna systems are often used to enhance the received signal to interference and noise ratio (SNIR) when the signal operates in a heavily jammed environment. An array antenna consists of many sensor elements; the array antenna output is the weighted sum of the sensor element outputs. This configuration is very effective in suppressing the tone interferences. However, if the interference waveform...
In the vertical scanning white-light interferometry, two peaks appear in the interference waveform if a transparent film exists on the surface to be measured. An algorithm has been developed that can detect the position of those peaks quickly and accurately, and a "film profiler" has been put into practical use, which is able to measure both the profiles of front and back surfaces and the...
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