| 1. | Then the study of multi - channel airborne radar measurements ( mcarm ) data is made based on the character of mcarm data 接着,结合mcarm (多通道机载雷达测量)数据的特点,对mcarm数据的处理进行了研究。 |
| 2. | Validation of the presented approach is verified through numerical simulations of radar measurements over the bare soil surfaces 本研究以裸露土之土壤?度及其雷达散射系数的数值模拟来验证此一方法之有效性。 |
| 3. | Validation of the presented approach is verified through numerical simulations of radar measurements over the bare soil surfaces 本研究以裸露土之土壤湿度及其雷达散射系数的数值仿真来验证此一方法之有效性。 |
| 4. | Riegl laser measurement systems has more than 25 years experience in the research , development and production of laser radar measurement devices and systems 格尔激光测量系统,有25年以上工作经验的研究,研制和生产激光雷达测量装置和系统 |
| 5. | The satellites happened to orbit over the region between two and nine hours after the earthquake , making the first radar measurements of a tsunami propagating across the open ocean 在地震发生后2 ~ 9小时间,这组卫星正绕著轨道运行到此区域的上方,并做出海啸横越开放海域的第一套雷达观测。 |
| 6. | In the meantime , the canonical transform technique is generalized and adopted to solve decoupling problem of maneuver target " current " statistic model , and the transformation matrix is derived for the 2d radar measurement 同时将正规变换技术推广应用到机动目标“当前”统计模型下的解耦问题,推导了雷达二维观测下的正规变换矩阵。 |
| 7. | Retrieving soil moisture information with radar measurements could be is achievable by using the multi - frequency and / or multi - polarization measurements to separate the vegetation and surface roughness effects , 2000 ) 。在干旱半干旱地区,监测地表土壤水分的时空变化特性对理解土壤?植被相互作用过程,提高土壤和植被的有效利用率尤为必要。 |
| 8. | The two equations in the kalman filter , namely , process equation and measurement equation , are used simultaneously to estimate moisture content from radar measurements and to predict the moisture changes over time 同时运用卡曼滤波器的两个方程序,亦即处理方程序与量测方程序,可以由雷达量测来估计土壤湿度及预测土壤湿度在时间上的变化。 |
| 9. | A new distributed fusion method of radar / ir based on separation and combination of the measurements is proposed after analyzing the influence of rate measurement . the rate information separated from the radar measurements composes a fake vector of ir 在对引入径向速度测量后雷达跟踪性能进行分析的基础上,提出了一种基于测量信息组合优化的雷达/红外分布式融合方法。 |
| 10. | Based on the correct evaluation of the means and covariance of the measurement error in cartesian coordinate system , the algorithm processes the radar measurements sequentially , and the linearization of measurement equation is no longer neccessary 作者推导了有测速数据时的去偏转换卡尔曼滤波算法。此算法估计精度和计算效率比以前的方法有较大改善,对测量方程不做近似处理。 |