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- It has excellent estimation precision, pairs automatically the x-axis direction cosines with the y-axis direction cosines and suffers no DOA ambiguity. 具有较好的估计精度，能实现方向余弦的自动配对，不造成波达方向的模糊性。
- Finally, the influences of the measurement noise and the range of slip on the estimation precision are evaluated . 同时还评估了测量噪声和转差范围对参数识别精度的影响。
- This algorithm has small computation amount load and has high estimation precision of doppler frequency rata-of-change. 算法具有计算量小、多普勒频率变化率估计精度高的优点。
- The results showed that EVI was the best index reflecting grassland yield variation,and the average estimation precision of the models was 80%. 结果表明:(1)EVI是反映产草量变化的最好指标,分类构建的模型平均测产精度达到了80%25;
- A study cased in Zhejiang Province, China, showed the fact that the three-phase sampling could produce the highest AFI area estimation precision. 用浙江省实际数据计算的结果表明：三相抽样精度明显比其他估计方法高。
- The random noises of systems are shown to be restrained effectively through orthonormal scaling transformation, and estimation precision is improved. 从理论上证明了经小波尺度变换后系统随机噪声的方差值减小，即噪声得到有效的抑制，从而大大提高了辨识精度。
- Because of occlusions and segmentation fragments, the estimation precision is impaired, even result in an unsuccessful tracking. 由于目标阴影、碎块等因素，估计精度受到影响，甚至导致跟踪的失败。
- The simulation re-sups show that the proposed method can nreatly improve the state estimation precision of sensor array passive trackinn system. 在很多方面的应用已经逐渐有替代广义卡尔曼滤波的趋势。
- The efficient method of setting and adjusting parameters highly improves the estimation precision, making the RSA more suitable for long-term real-time estimation. 同时设计有效的参数初值设置和调整方法，改善了估计的准确性，使之更适用于长序列实时运动估计。
- 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。
- The simulation shows that this data transition method conduces to improve the parameters estimation precision, and the algorithm dynamic performance is ameliorated too. 模拟结果表明这种方法在信号参数估计精度和动态跟踪性能等方面都能够满足高动态环境的要求。
- Theory and simulation result shows it has a large estimation range and good estimation precision, fits for high speed burst modern communication system. 理论与仿真结果表明该算法具有估值范围大、精度准的优点，并且计算量小，非常适用于高速突发的现代数字通信系统。
- It is important to estimate precisely the mineral percentage in the cuttings. 准确的估计岩屑中的矿物含量是很重要的。
- By simulating positions data from ship, and compared with the GPS data, the results show that the method can improve the estimate precision of Kalman filter effectively, and make the ship course smoother. 通过对实测船位数据的仿真,并与gps船位数据比对,证明该方法有效地提高了卡尔曼滤波的估计精度,也使航行曲线更加地“光滑”。
- Precis this chapter in two pages. 用两页写出这一章的大意。
- As the measure noise has much effect on estimate precision and convergence speed, when noise increases abruptly, the position estimation converges slowly and the precision becomes poor. 由于观测噪声对估计精度和算法收敛速度有较大影响,当观测噪声突然增大时,UKF方法在位置估计时收敛变慢,而且精度变差。
- The simulation result indicates that compared with the conventional model, the novel model using CORDIC algorithm can decrease the implementation complexity on the condition of the same estimation precision. 仿真结果表明:基于CORDIC算法的数字域同步模型可以在保证估计性能的前提下,降低实现的复杂度;
- The simulation results show th at the vector control system based on LPIDBP speed estimation can improve the speed of convergen ce of the system,has high estimating precision,and has better dynamic and st atic performance. 仿真结果表明,基于LPIDBP神经网络的混合速度估计器的矢量控制系统收敛速度快,转速估计精度高,动静态性能好。
- The diagram had been copied with great precision. 该图表的复印件很精确。
- An estimator is a random variable. 估计量是一个随机变量。
