The dissertation demonstrates the maneuvering target imaging model with acceleration and rotating motion and its signal processing to solve attitude perturbation of the targets.
针对机动目标存在的姿态扰动，研究了具有加速度和旋转运动的机动目标成像模型及其信号处理过程。
A chaotic image encryption method based on control word is designed to improve the chaotic perturbation model and solve the finite precision problem in chaotic encryption.
论文设计了基于控制字的混沌图像加密方法，完善了混沌扰动模型，更好地解决了混沌加密有限精度问题。
Using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.
利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件，得到了气液泡状流型下的压力波色散方程。
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