在应用这种方法时，利用状态转移矩阵来产生无推力段的约束，减少了数值方法的误差。
When using the method, state transfer matrix is applied to produce the constraints, which can reduce the error from numerical method.
研究了九分力推力矢量测量误差分析方法，并计算了推力矢量测量精度。
What's more, the precision of thrust vector measurement is also calculated, depending upon the error analysis of nine-component model.
经多次试验表明，解耦后测试系统误差明显减小。用该方法测量推力矢量参数的不确定度小于5%，可以满足推力矢量测试的需要。
The experimental results show that the error of the measurement system is reduced and the uncertainty of measurement of thrust vector is in 5% and it can satisfy the need of thrust vector measurement.
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