Jekyll2025-08-10T19:23:31+00:00https://sianjin.github.io/feed.xmlSian JinWrite an awesome description for your new site here. You can edit this line in _config.yml. It will appear in your document head meta (for Google search results) and in your feed.xml site description.Sian JinCramér-Rao Lower Bound2025-06-27T19:34:30+00:002025-06-27T19:34:30+00:00https://sianjin.github.io/blog/post-crlbThe Cramér-Rao Lower Bound (CRLB) is a fundamental concept in estimation theory, providing a lower bound on the variance of unbiased estimators.