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声遥测水中悬浮粒子（如泥沙）的反向散射强度，可反演获得粒子浓度。可是，遥测系统对采样体积采集的声反向散射，除了粒子的散射信号外，还包含附加的干扰和噪声。本文探讨采集悬浮粒子声反向散射信号时，如何降低干扰源和噪声源对其影响的若干对策
Sound remote measurement of suspended particles in water (such as sediment) backscattering intensity can be obtained by inversion particle concentration. However, the acoustic backscatter collected by the telemetry system on the sampled volume, in addition to the scattered signals from the particles, also contains additional interference and noise. This article discusses how to reduce the impact of noise sources and noise sources when collecting the backscattering signals of suspended particles