A key obstacle to high accuracy location is the Non Line of Sight (NLOS) transmission of signal in wireless sensor network node localization. NLOS error is the main source of location error.

在无线传感器网络定位中，节点精确定位面临的一个主要问题是信号的非视距传播，非视距误差是节点定位误差的主要来源。

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The traveling wave fault location has high reliability accuracy and anti-disturbance capability , and it also immunes from the fault resistance and the neutral grounding modes.

行波测距法具有较高的可靠性和精度，抗干扰能力强，且不受故障电阻及系统运行方式的影响。

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This article introduced one kind of revolving location method, using this method to repair mold, location accuracy is high, time cost short.

本文介绍一种旋转定位法，用这种方法定位修理模具，定位精度高，调整时间少。

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The Pioneer SmartCradle for iPhones is compatible with all GPS enabled apps, including MotionX-GPS Drive and is the first of its kind to incorporate a built-in gyro sensor and accelerometer combined with an external antenna for improved GPS reception and location accuracy, even if GPS signals are limited by high rise buildings and tunnels.

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