方法采用顺行加逆行造影联合定位ESWL治疗输尿管阴性结石17例。
Method 17 patients with non-opaque ureterolith calculi were treated with ESWL by intravenous urography(IVU) and retrograde urography(RGU) location.
其结果表明，在典型情况下雷达经纬仪联合定位模型距离定位误差与雷达测距误差基本相当。
The analysis results show that in typical cases the range positioning error of the radar-theodolite joint positioning model is basically equivalent to radar range finding error.
并提出了一种基于联合定位技术的自适应编码调制传输方案，该方案可有效提高系统资源的综合利用率。
Furthermore, it proposes a solution on adaptive coded modulation system using the hybrid position location technology, which can improve the exploitation of systems.
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