So, for the same SNR, edge techniques can improve the measurement accuracy of Brillouin frequency shift greatly comparing with the conventional detection techniques.
所以,在相同信噪比下,与常规检测技术相比,边缘检测技术可以大大提高布里渊频移测量精度。
The error of measuring Brillouin frequency shift based on brim detecting technology has great influence on the measurement precision of sea surface temperature.
采用边缘探测技术测量布里渊频移量的误差会对海表温度测量精度带来很大影响。
The water sound speed and temperature can be calculated by measuring Brillouin scattering frequency shift.
借助测量水体布里渊散射的频移,可得到水体声速或温度。
Proposed a novel scheme to measure the Brillouin frequency shift and power change, and analyzed the measurement accuracy of Brillouin frequency shift.
提出了一种同时测量布里渊频移和功率变化的新方案,同时对系统的布里渊频移测量精度进行了分析。
The factors affecting on the measurement accuracy of Brillouin frequency shift are analyzed, the relation between the measurement of Brillouin frequency shift and signal to noise (SNR) is obtained.
分析了影响布里渊频移测量精度的因素,给出了布里渊频移测量精度和信噪比的关系。
The result shows that the frequency shift of Brillouin scattering light is scarcely influenced by air pressure and vapor pressure, and greatly affected by air temperature.
结果表明。布里渊散射光频移受大气压、水汽压的影响很小。而受大气温度的影响很大。
The scheme of measuring Brillouin frequency shift in fiber sensor based on edge optical filter is proposed.
提出了采用边缘光滤波器来测量光纤传感中布里渊频域的方案。
The scheme of measuring Brillouin frequency shift in fiber sensor based on edge optical filter is proposed.
提出了采用边缘光滤波器来测量光纤传感中布里渊频域的方案。
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