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- Range-dependent Doppler parameter estimation 变多普勒参数估计
- Doppler parameter estimating 多普勒参数估计
- 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
- doppler parameter estimation 多普勒参数估计
- Abstract Amplitude-preserving or waveform-preserving imaging results are the basis for reservoir characterizing and parameter estimating in lithologic reservoir exploration. 摘要 在岩性油气藏勘探中,保振幅或保波形成像是进行储层特征分析和参数估计的基础。
- 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。
- 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。
- Data requirements of parameter estimations are thus reduced. 此方法可确实简化参数的估计与缩减其所需历史资料量。
- Doppler parameters estimation 多普勒参数估计
- The Precision and speed of computing have been in creased with the improvement of the methods of obtaining the minimallife parameter estimating linder 3-parameter Weibull distribution in [1]. 摘要对文中求三参数威布尔分布位置参数估计的方法做了改进,从而提高了计算的精度与速度。
- 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)。
- With estimating the numerator of the new SIMO model transfer function first and the common denominator later, the parameter estimation of the original SISO model is obtained. 再估计出这个新的单输入多输出系统的传递函数,最后得到原单输入单输出系统的模型参数。
- 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。
- 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)。
- Signal parameter estimation of PSA means estimating the angles of arrival and the polarization angles simultaneously according to the samples of PSA. 用克拉美一劳限(CRB)来衡量信号到达角和极化角的估计精度,利用Fisher信息矩阵求逆导出信号到达角和极化角CRB的解析表达式,两信号特征参量接近时,它们的估计精度均下降。
- 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。
- Develop a keen expertise in analogous and parametric estimating, project selection, project scheduling, variance analysis, and cost management. 发展敏锐的专业知识用于类比、参数估计、项目选择、项目进度计划、方差分析和成本管理。
- In this paper, A decoupled parameter estimation(DPE) algorithm for estimating parameters of the harmonic-group signal in colored noise is researched. 本文研究了一种估计有色噪声中多组谐波信号参数的去耦参数估计算法。
- Also, the CRB of parameter estimation of LFM under normal gauss circumstance is carried out and a real low boun... 另外推导出了一般高斯环境下的LFM参数估计的CRB界,为一般高斯环境下的估计的参数的方差提供实际下界。