WiRE Cosmic Ray Removal tool
Brand: Renishaw | Category: Nanotechnology
Cosmic rays are high energy particles from outer space, and over a long measurement they leave spurious spikes in Raman spectra. Renishaw's Cosmic Ray Remover (CRR) tool in WiRE software deals with them either as the data is collected or afterwards. Acquiring three accumulations and taking the median value at each frequency eliminates spikes during collection, while a simple zap function or the automated CRR processing tool handles files that already contain many features. Removing the spikes preserves spectral band shape, leaves images free of artefacts and gives more confidence when unsupervised chemometric methods such as PCA are applied.
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