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- DOPPLER PARAMETERS ESTIMATION FOR SPACEBORNE SAR DATA 星载合成孔径雷达多普勒参数的估计
- Doppler Parameters Estimation for Airborne Radar Based on DDC Model 基于DDC模型的机载雷达多普勒参数估计研究
- Range-dependent Doppler parameter estimation 变多普勒参数估计
- Doppler parameters estimation 多普勒参数估计
- doppler parameter estimation 多普勒参数估计
- The Doppler parameters of CFV:the retrograde a wave-velocity peak(Va) and duration time(Ta) were obtained. 测量 CFV血流频谱参数 :逆向的心房收缩波峰值速度 (Va)和持续时间 (Ta)。
- Geometry among satellites, the earth and radar of spaceborne bistatic SAR is discussed and expressions of two Doppler parameters are given. 根据星载双基地SAR雷达与目标的空间几何关系,确定了其多普勒参数表达形式,在此基础上建立了星载双墓地SAR回波信号数学模型。
- In LFMCW radars,the echo signal of moving target with acceleration has Doppler aberration which will cause the detection performance and parameter estimation loss of target. 在线性调频连续波(LFMCW)雷达中,加速度运动目标回波存在多普勒频谱畸变现象,造成目标检测性能和参数估计精度损失。
- There was obvious difference between the patients with so-called lone AF and the normal group only in the tissue Doppler parameters of mitral ring(P<0.05). 孤立性房颤组只有二尖瓣环组织多普勒运动曲线上的参数与对照组差异有统计学意义(P<0.;05)。
- The computational results indicate that parameters estimation by Bayesian method and MCMC sampling has a high precision. 计算结果表明采用贝叶斯推理获得的模型参数估计具有很高的精度。
- Based on the characteristic of target echo in ISAR, the original method of Doppler center estimation is ameliorated to increase the motion parameter estimation precision. 针对ISAR中目标回波的特点,对原始的多普勒中心估计方法进行了改进,提高了运动参数估计精度。
- Taking fclio earth rotation and oblateness into consideration, the orbit perturbation, attitude errors and its stability effects on SAR Doppler parameters are analyzed. 在考虑地球自转和扁率的情况下,分析了轨道摄动、卫星姿态指向误差和稳定度对SAR多普勒参数的影响,并进行了数字仿真。
- Recognition and parameters estimation of the polyphase-coded radar signals are discussed in this paper. 该文研究了多相码雷达信号的识别与参数估计。
- A simplified on-line multivariable stochastic system state model parameters estimation algorithm is developed. 本文提出了一种简化的多变量随机系统状态模型参数在线辨识方法。
- MLE is a common parameters estimation method and EM algorithm makes its application more extensive. 而极大似然估计是一种常用的参数估计方法,EM算法使其应用更加广泛。
- PHOEBE (Physics Of Eclipsing Binaries): a WD98 front-end for automated numerical minimization and physical parameters' estimation. 是一个为自动数字极小化和物理参数评价提供的一个WD98前端。
- In the teaching of probability and statistics, the parameters estimation of linear regression is given by the method of the extremum of function. 摘要概率论与数理统计教学中,线性回归分析参数估计一般都是采用多元函数求极值的方法。
- Doppler parameter estimating 多普勒参数估计
- The method suggested is applied to the parameters estimation of time varying long memory SV model of return series of China stock markets. 用该方法对中国股市收益进行了时变长记忆SV模型参数的估计。
