Improved imaging algorithm of multi-aperture bistatic aperture synthetic sonar;
改进的多子阵双站合成孔径声纳成像算法
Imaging algorithm of multi-aperture bistatic synthetic aperture sonar;
多子阵双站合成孔径声纳成像算法
The multi-aperture is an effective technique for increasing coverage rate of imaging in monostatic synthetic aperture sonar(SAS).
在常规单站 SAS 系统中,多子阵技术是提高测绘率的一个有效方法,针对发射站固定的双站 SAS 模型,多子阵技术同样可以用来解决测绘率与降空间采样率的矛盾,但是当“停-走-停”假设不再成立时,将引入相位误差项,降低双站 SAS 的成像质量,针对该问题在原有多子阵逐点成像算法的基础上,研究了发射站固定的双站 SAS 基阵运动引起的相位误差,提出了多子阵双站合成孔径声纳带相位补偿的逐点成像算法,在建立多子阵双站 SAS 数学模型的同时,形成了新的多子阵双站 SAS 系统方案设计。
Considering the sample quantizing condition of the output pulses of the ring laser gyroscope(RLG),the multi-sample attitude algorithm of SINS is discussed.
针对工程应用中激光陀螺输出脉冲采样量化条件,就多子样算法进行了讨论,并设计了基于MATLAB/Simulink的仿真。
Least squares method based on multi-subarray signal-phase-matching principle;
多子阵信号相位匹配原理的信号最小二乘解
The article proposes an multi-subarray amplitude-phase united detection method simultaneously using information of amplitude and phase of echo from sea bottom and integrating the merits of the two traditional methods,which not only realizes the super-wide coverage,but also improves the detection performance.
提出了一种多子阵幅度—相位联合检测法,同时利用海底回波信号的幅度和相位信息,综合了幅度法和相位法的优点,不但实现了超宽覆盖,而且改善了检测性能。
A multi-region technique for the boundary element method is proposed in this paper.
提出了多子域边界元方法及程序设计,并用于外包软 垫层的坝内钢管应力分析。
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