Non-Gaussian versus non-Rayleigh statistical properties of ultrasound echo signals

Jian-Feng Chen; Zagzebski J.A.

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Non-Gaussian versus non-Rayleigh statistical properties of ultrasound echo signals

机译：超声回波信号的非高斯与非瑞利统计特性

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Parameters expressing the non-Gaussian and the non-Rayleigh properties of ultrasound echo signals are derived for the case of a pulsed transducer insonifying a medium containing randomly distributed scatterers. Both parameters depend on the measurement system, including the transducer field and pulse frequency content, as well as on the medium's properties. The latter is expressed in terms of the number of scatterers per unit volume and the second and fourth moments of the medium's scattering functions. A simple relationship between the parameters describing the non-Gaussian and non-Rayleigh properties is derived and verified experimentally.

机译：对于脉冲换能器使包含随机分布散射体的介质声控的情况，导出表示超声回波信号的非高斯和非瑞利特性的参数。这两个参数取决于测量系统，包括换能器场和脉冲频率含量，以及介质的属性。后者用单位体积的散射体数量以及介质的散射函数的第二和第四矩表示。得出描述非高斯和非瑞利性质的参数之间的简单关系，并进行实验验证。

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |1994年第4期|P.435-440|共6页
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Jian-Feng Chen; Zagzebski J.A.;
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1. Non-Gaussian versus non-Rayleigh statistical properties ofultrasound echo signals [J] . Jian-Feng Chen, Zagzebski J.A., Madsen E.L. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 1994,第4期

机译：超声回波信号的非高斯与非瑞利统计特性
2. Intervening attenuation affects first-order statistical propertiesof ultrasound echo signals [J] . Zagzebski J.A., Jian-Feng Chen, Fang Dong, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 1999,第1期

机译：中间衰减影响超声回波信号的一阶统计特性
3. Intervening attenuation affects first-order statistical properties of ultrasound echo signals [J] . Zagzebski J.A., Jian-Feng Chen IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 1999,第1期

机译：中间衰减影响超声回波信号的一阶统计特性
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Non-Gaussian versus non-Rayleigh statistical properties of ultrasound echo signals

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