Correlative technology plays an important role in detection of feeble signal.
相关检测技术是实现微弱信号检测的重要方法。
In general, it is difficult fixed gain magnifier to achieve the vast scale and high-precision of feeble signal at the same lime.
通常固定增益的放大器在兼顾大的动态范围和较高的小信号精度的情况下很难满足预期的要求。
GPS can provide accurate position and time information all-weather. But GPS signal is so feeble that any barrier can affect the receiving of the signal.
GPS可提供全天候的精确位置与定时信息，但GPS卫星信号较弱，任何障碍物都会影响其信号的接收。
GPS can provide accurate position and time information all-weather. But GPS signal is so feeble that any barrier can affect the receiving of the signal.
GPS可提供全天候的精确位置与定时信息，但GPS卫星信号较弱，任何障碍物都会影响其信号的接收。
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