介绍了某工程钻孔灌注桩桩基设计与施工情况，并就动测结果发现桩基存在质量问题的原因进行剖析，并提出了补强加固措施。
The design and installation of a drilled grouting pile foundation is introduced. Accident is discovered by dynamic pile tests. The causes are analyzed and the remedies are proposed.
通过在特定时刻对DDS生成的信号进行补相，可以使单dds同时生成多个目标的与被测雷达全相参的常规脉冲和线性调频回波信号。
By setting the DDS's offset phase at given time, a single DDS can generate multi-target phase-coherence signals including LFM and general pulse for evaluated radar.
通过在特定时刻对DDS生成的信号进行补相，可以使单dds同时生成多个目标的与被测雷达全相参的常规脉冲和线性调频回波信号。
By setting the DDS's offset phase at given time, a single DDS can generate multi-target phase-coherence signals including LFM and general pulse for evaluated radar.
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