Finally this paper designed and completed thedectection of underground cable’s current value, direction and depth, display ofunderground cable’s direction using“compass”and auto frequency search and lockfunction.
并最终设计完成了对地下电缆电流大小、方向、埋藏深度的检测,以及罗盘显示电缆偏向和自动频率搜索锁定功能。
参考来源 - 智能电缆路径检测仪的研究和设计·2,447,543篇论文数据，部分数据来源于NoteExpress
As for the receiving system, as long as the receiving frequency search will extend to the upstream channel frequency range of it.
至于接收系统，只要将接收频率搜索范围扩大到上行信道频率范围就可以了。
According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.
针对P码多普勒频移大、周期长的特点，本文探讨了缩短载频搜索范围的方法。
The experiments show that, this approach has significant improvements of acquisition time, which is compared with the traditional widened frequency search scope method.
仿真结果表明，相比于传统的扩大接收机搜索范围的方法，该方法能明显缩短GNSS接收机在高动态环境中的捕获时间，加快捕获速度。
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