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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by DaveR[/i] [br]I'm not an Origin user, but I'm shopping for analysis and display software. I wondered if Origin does cospectral analysis. For example, suppose I have simultaneous evenly spaced measurements of temperature and pressure. I want to look at the power spectral features of temperature and pressure, separately, and I want to look at the correlation between temperature and pressure as a function of frequency (coherence and phase). Assuming Origin can do that, I wonder if it can also handle the case when the observations are not equally spaced in time (for example, due to missing data points or irregular observation periods). [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.