Enabled gps delay for lpe based on x hist.

src/modules/local_position_estimator/fault_table.py

@@ -0,0 +1,13 @@
+#!/bin/bash
+from __future__ import print_function
+import pylab as pl
+import scipy.optimize
+from scipy.stats import chi2
+
+for fa_rate in 1.0/pl.array([1e1, 1e2, 1e4, 1e6, 1e9]):
+    print(fa_rate)
+    for df in range(1,7):
+        f_eq = lambda x: ((1- fa_rate) - chi2.cdf(x, df))**2
+        res = scipy.optimize.minimize(f_eq, df)
+        assert res['success']
+        print('\t', res.x[0])