查询词典 error estimation

In fact, the performance of system will degrade significantly when there is error in the estimation of DOA.

实际上，当期望信号的波达方向存在误差时，这些波束成形器的性能将明显下降。

To the problem of unbiasedness of L 1 estimation,basing on uniqueness of solution,Zhou Shijiang proved it according to dual theorem of linear programming; and Wang Zhizhong proved it according to probability statistics theorem by using the method from special to general; also,basing on error distribution theorem and probability statistics theorem,the authors proved it.

对于L1 估计的无偏性问题，周世健基于解法的惟一性，根据线性规划的对偶理论，证明了L1 估计的无偏性[5] ；王志忠根据数理统计理论，采用由特殊情形推广到一般情形的方法，证明了L1 估计的无偏性[6] 。

At first, it analyses the visibility processing of complex scene, including: spatial partition technology BSP, quadtree, octree and equational octree which can optimize scene, category of quick visibility estimation algorithm in the 3D scene, portal which can accelerate rendering, level of detail and mesh simplification based on quadric error metrics used to simply models in 3D scene.

首先分析了复杂场景的可视化处理，包括优化场景渲染的空间剖分技术：BSP树、四叉树、八叉树、均分八叉树；其次是三维场景快速可见性判断算法的分类，可加速渲染的入口技术；最后是用于三维场景中模型简化的两个算法：层次细节模型简化技术和基于视点的二次误差度量网格简化。

Use Matlab to write the OFDM process, which includes part of channel estimation, but also has bit error rate curve.

详细说明：用Matlab来写的OFDM程序，其中包含信道估计的部分，也有误码率的曲线。

The simulation results show that the proposed method can give out smaller timing estimation error.

仿真结果表明，该算法具有更小的定时估计误差。

The conclusion is that it is only suitable for the occasion where channel estimation error is little.

结论是多用户检测只适用于信道估计错误很小的情况。

The performance is affected by channel estimation error, but it can still be accepted.

虽然信道估计误差对性能有一定影响，但在可接受范围。

Otherwise, it is necessary to consider the influence of the measurement error on the estimation.

否则，在估计平均处理效应时就有必要考虑测量误差的影响。

In this paper, error variance of channel estimation vector is derived, and time-domain analysis is performed.

本文推导了采用新方法的MIMO信道估计误差方差表达式，并从时域的角度给出了分析。

These methods lead to a simpler system structure as well as to smaller estimation error variances.

这些方法引起系统结构的简化，也使估计误差的变化量减少。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。