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rev5
- 基于蒙特卡洛方法的主动声纳信号检测性能分析.主动声纳信号检测性能的分析上,目前在计算机仿真中一般假定混响包络的统计特性符合瑞利分布模型。基于此模型,已经有了较完善的理论。然而,在现代高分辨声纳系统中,混响包络的统计特性并不符合瑞利分布模型。此时在接收机工作特性分析时存在大量繁琐的公式推导。因此该文采用蒙特卡洛(M onte Carlo)统计试验方法,实现对瑞利分布混响背景下的主动声纳信号检测性能分析。结合对接收机工作特性曲线的仿真,得出了检测概率的理论值和仿真结果的误差曲线。误差曲线表明,蒙特卡
shallowwater-reverberation
- 一种海底混响模型。详细分析了海底沉积物以及不同的掠射角条件对模型的影响-A bottom-scattering model based on sediment small scat- terers, single scattering approximation is presented, which is combined with a normal-mode-based reverberation model.
An-oceanic-reverberation-model
- 一种经典的海洋混响模型建模方法，详细介绍了混响运动谱混响谱及时间序列线性预测方法。- simple model of the surface, volume, and bottom re- verberation received by a moving platform as a function of time following the tranmission of a narrow-band pulsed signal is
Model-Based-on-Perturbation-Theory
- 一种基于摄动理论的海底混响模型，详细分析了粗燥面条件下掠射角对海底混响模型的影响。-A shallow-water reverberation model is developed based on Bass perturbation theory. The key component for shallow-water reverberation modeling, the modal backscattering matrix (MBSM), has been investiga
Multibeam-Sonar-Reverberation
- 非静止多波束声呐混响的自回归模型。综合考虑了环境，几何结构等多种因素通过时变自相关函数仿真混响复数据序列。-This work describes a technique for simulating nonsta- tiouary multibeam Gaussian sonar reverberation sequences. The primary objective is to simulate quadrature-demodulated complex
Bistatic-Reverberation
- 双基地浅海混响模型以及实测数据比较。详细推导了双基地浅海混响模型并与实测数据做了比较验证了模型的统计特性。-bistatic and momostatic reverberation data were recorded in the 2001 Asian sea.A model based on the mormal mode theory has been developed to calculate bistatic bottom reverberation in shallow w
Structured-Sparsity-Models
- 用于混响背景语音分离的结构稀疏模型(Strutured sparisty model)方法-To further tackle the ambiguity of the reflection ratios, we propose a novel formulation of the reverberation model and estimate the absorption coefficients through a convex optimization exploiting