▍1. CATS软件
Cats是一个使用最大似然估计来使用多参数的时间序列（比如：连续的GPS）。该程序同时估计所有参数，但是分两部分来估计速度，线性部分包括一个offset and slope，突变（as form earthquakes）、正弦部分（包括年周期和半年周期），而非线性负分包括几个不同的噪声模型及其组合。(Cats is a time series (e.g., continuous GPS) using multiple parameters using maximum likelihood estimation. The procedure to estimate all parameters simultaneously, but is divided into two parts to estimate the speed of the linear part includes a offset and slope (as form earthquakes), mutation, sinusoidal components (including annual and semiannual period), and the nonlinear negative consists of different noise models and their combination.)
