Method for selecting test data length of navigation terminal based on wheel difference method

The invention discloses a method for selecting test data length of a navigation terminal based on a wheel difference method. The method comprises the following steps of: step 1, selecting the corresponding test equipment according to a determined general test scene to test the preset time of the navigation terminal, and then obtaining sample data; step 2, selecting the test data length of the sample data based on the wheel difference method. According to the method, based on the wheel difference method, the test length is selected aiming at the index test of the navigation terminal, and the selected length is used for the same index test of the same navigation terminals; compared with the traditional test methods, the test data length is greatly reduced while the test effectiveness is met, and the cost-benefit ratio of the test is greatly improved aiming at the test of batches of the navigation terminals.