Based on real time clock of GPS system, and by means of absolute time-marker, real time data acquisition between different sites was performed in the form of wireless.

以GPS系统实时时钟为基础，通过对绝对时标加以处理，以无线方式实现了不同站点之间的实时数据采集。

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Based on signal detection theory, the real-time leakage detection problem of submarine pipeline was discussed, by means of the observed series of mass flow difference of pipe.

针对海底管道泄漏监测问题，基于信号检测原理分析了受噪声干扰的流量差观测序列。

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As a lower demand, real time and witnedssed means, based on which we develop administration system to monitor the vehicle and store digitally into storage card.

作为一种实时性要求较低的取证手段 ，基于它开发的特种车辆管理系统 ，通过监测运输车相关信息 ，并数字化记录到存贮卡。

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