有效方向

However the available direction estimation region is only within the 3dB beam width of subarrays,in order to estimate at any interested direction one can combine this method with beam scanning.

但其有效的方向估计范围只在子阵的3dB波束宽度内，然而与波束扫描相结合可实现任意空间范围内的方向估计。

The algorithm of new strain wave that will put forward through example and Lee filter wave, broad sense is various Xiang Jiaquan all is worth configuration filter wave and with all possible means the effect that Xiang Jiaquan all is worth configuration filter wave to undertake inhibition spot of be concerned with makes clear as a result quite, this algorithm restrains the noise in image effectively not only, and the geometrical structure feature that better land maintains image.

通过实例将提出的新滤波算法和Lee滤波、广义多方向加权均值形态滤波和多方向加权均值形态滤波进行抑制相干斑的效果比较结果表明，该算法不仅可以有效地抑制图像中的噪声，而且较好地保持图像的几何结构特征。

For the principal component, namely the voltage stability analysis function, three kinds of nodal injection power modes are defined, i.e., the random varying direction of load, the response setting direction of generator and the ratio of active power component to reactive power component in load power, and a continuous power flow model that is easy to utilize and comprehend by dispatching center is built, based on this model three kinds of formulae to calculate the sensitivities of loading margin with respect to three kinds of nodal injection power modes are derived respectively, and on this basis the influence of nodal injection power mode on loading margin can be analyzed in order that the voltage collapse can be avoided by fast implementing early warning of voltage stability and adopting effective corrective control.

文章针对N-EMS的主要组成部分--电压稳定分析功能，定义了3类节点注入功率模式：负荷的随机变化方向、发电机的响应设定方向、负荷的有功和无功比例，建立了易于被调度中心运用和理解的连续潮流模型，在此模型基础上分别推导得到负荷裕度对3类模式的灵敏度公式，据此分析节点注入功率模式对负荷裕度的影响，以便能够快速进行电压稳定预警和采取有效的校正控制来避免电压崩溃。

The experimetal results show that the flexural moment of the sample in the prebending direction is far bigger than that in the vertical direction to pre-bending and the spherical shape can be conquered during pre-loading laser peening forming to a great extent.

试验结果表明，在弹性预加载下，板料在弹性预弯方向获得的弯矩要比与弹性预弯垂直方向上的弯矩大得多，弹性预加载下激光喷丸成形可以有效地克服自由状态下激光喷丸件呈球形现象，激光喷丸件的曲率是自由状态下激光喷丸成形曲率的2～3倍；在相同曲率下，弹性预加载下激光喷丸成形件的表面粗糙度比自由状态下激光喷丸成形件的表面粗糙度要低1～2等级，因此弹性预加载下激光喷丸成形要优于自由状态下的激光喷丸成形。

According to the lowest free energy law of forming steady configuration, it is proved that under the hypotheses of the model the necessary and sufficient condition for the stabilization of magnetic structure is the moment direction of the total saturation magnetization 〓 of a compound should be parallel to that of external magnetic field 〓, and the direction of each sublattice moment 〓 must also be parallel to that of the effective field B〓 acting on the 〓.

根据形成稳定结构的能量最低原理，证明了在该模型的假设条件下，系统磁结构稳定的充要条件是：化合物总的磁化强度m与外磁场B的方向相同，并且各次晶格的磁矩m〓与作用于它们的有效场B〓的方向一致。

We think that the main research direction of lithium titanate is high rate capability, carbon coating is an effective way.

本文对Li4Ti5O12的研发现状及应用情况做了介绍，并对Li4Ti5O12的研发应用方向做了展望，认为目前Li4Ti5O12的主要研究方向是提高倍率性能，包覆碳是提高倍率性能的有效途径。

By utilizing the unitary matrix, the transmitter decouples the input signal into spatial orthogonal beam directions with the matched filters in beam directions in the receiver, and the gain obtained by each data block can be equivalent to the sum of the projection from the channel matrix to the corresponding beam directions. Beam selection is adopted to maximize the minimum gains of all the blocks, which can improve the system diversity gain efficiently.

发射端采用酉矩阵将数据映射到空间正交的波束方向上，通过接收端波束方向上的匹配滤波，各数据分块所获得的增益为信道矩阵在其波束方向上的投影之和，波束选择通过最大化所有数据分块最小增益，从而有效地提高了系统的分集增益。

A structured grid partitionfor full scale coal fired tangential utility boiler has been given in this paper. It hasa small amount of grids and can decrease false diffusion effectively as it is inagreement with fluid flow direction. Accurate simulating results can be gainedwith the grid partition. Inverse flows are captured near the wall at four corners incombustion simulating through the above grid and temperatures simulating agreewell with them measured.

对于大容量四角切圆锅炉的数值模拟，本文给出了一个可以有效减小伪扩散、流体流动方向与网格线方向一致、数目较少、计算精度较高的结构网格，该网格的数值计算结果清晰得捕捉到了四个角向火侧和背火侧靠近壁面处的小回流，而且计算温度与炉膛温度实测值较好的吻合。

The major achievement of this paper is: Based on characteristics of the traffic data distribution, execute pattern recognition operations on traffic condition on two dimensions by clustering, then use BP neural network to describe and forecast traffic flow aiming at each pattern. Making use of classic flow-occupancy inverse "V" model, implement polynomial fitting using least-squares algorithm and statistics method on flow curves to detect outliers which are proved to be not accord with practice through the actual implement, then use the moving average model to recorrect the outliers and absent. Make correlation analysis on muti-direction flow queues of the intersection and ones of upriver intersections, choose flow queue with high correlation as assistant one to improve the error tolerance of the prediction system, at the same time we can use the method to give an estimation of flow in intersection with out sensors. We design and implement an SOA(Service-Oriented Architecture)-based UTDD(urban traffic data mining development) with high expansibility and performance, which implement unified management and call of the data-mining application though defining a XML-based description of data-mining process and a common interface to call data-mining process, finally we build traffic flow prediction application model on UTDD.

根据交通流量数据分布的特征，提出基于k-means的二次聚类方法，对交通流量在流量大小和时间上进行模式划分，进而对各个交通流模式进行基于BP神经网络的描述和预测，从而提高模型对流量预测的精度； 2）根据流量/时间占有率倒&V&字形曲线分布模型，提出基于最小二乘法的三次多项式曲线拟合和统计方法的异常检测方法，实际应用表明该方法能够有效识别异常数据，然后根据移动平均算法对异常数据进行修正； 3）基于序列相关性分析，分别对预测方向的交通流量数据序列、上游路口相关序列以及预测路口其它各个方向上的交通流量序列进行分析，选择相似性流量序列，作为辅助序列提供其他没有检测器路口的流量估计； 4）设计和实现了基于SOA（Service-Oriented Achitecture）的高性能、可扩展的智能交通数据挖掘系统UTDD，该系统通过定义基于XML的数据挖掘过程描述和通用的过程模型接口，实现数据挖掘应用的统一管理和调用，最后在UTDD上建立了基于路口流量预测的应用模型。

Lastly, two methods to estimate DOAs of coherent sources impinging on UCA are introduced, and simulation results have verified the effectiveness of these algorithms.

本文对基于圆阵的模式空间概念的模式平滑波达方向估计算法进行了性能仿真研究，仿真结果表明这些算法可以有效地实现对相干信源波达方向的估计。

He is the most remarkable man that I have ever known.

他是我知道的人中最值得注意的人。

Increased appearance of lymphocele was noticed in patients with diabetic nephropathy, congenital malformations of the urinary tract, and inflammatory diseases, including glomerulopathy and extraglomerular ones, after high-voltage radiotherapy and after removal of the renal graft.

经过高压放射疗法和切除移植肾后，在糖尿病肾病患者、泌尿系统先天性畸形患者和炎症患者身上发现淋巴囊肿有所增加，包括肾小球病和球外疾病等。