single point location error 单点定位误差
Aimed at the characteristic of bigger single point location error, a new measuring method using two points relative location measurement to reduce location measurement error was put forward.
针对单点定位误差比较大的特点，提出了用两点相对定位的测量方法来减小定位误差。
Traveling wave dispersion in the parallel line is more complex than that in the single line and is an important reason why the fault location error is large for traveling wave method.
行波色散是造成故障测距误差大的重要原因：利用行波故障定位时要考虑采用多相行波数据。
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