The jitter error brought in by the aperture jitter increases as the frequency increase of the input signal in high speed data acquisition systems, thus it degrades the system's SNR.
结果表明，孔径抖动引起的孔径误差随着高速数据采集系统输入信号频率的升高而增大，由此将引起系统信噪比的下降。
The results show that the acquisition with sector method can receive abundant data and thus the ct technology can rebuild the internal image of the piling much better.
经分析表明，扇形法数据的采集能取得丰富的桩基内部结构数据，CT层析成像技术能正确反演桩基内部结构。
Urban remote sensing has strong superiority in mass data acquisition and processing, thus it becomes the core technology of the construction of digital city.
城市遥感在海量数据获取和处理方面具有强大优势，因而成为数字城市建设的核心技术之一。
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