目标不同

Finally, the highly precise estimation of target azimuths is obtained by processing the added pulse compression data vector with Capon algorithm again.

然后利用回波数据及目标的初步位置信息，把同一目标对应不同发射阵元的脉压数据矢量经多普勒频移和相位补偿后相加，再进行Capon谱估计，获得高精度的目标方位角估计值。

The dealing process of contrast box algorithm and search avail information segment is illustrated.The result of different threshold modulus and different target's image area is analyzed.Stat signal measure of each image is afforded.

描述了Contrast box算法和搜索有用目标段处理过程，分析了阈值权值系数和目标所占像元面积选取的不同对图像有用目标段搜索的影响，给出了每幅图像的统计信号量。

Aiming at improvement of attack precision and reduction of target miss distance, different guidance and control laws are proposed and analyzed, the influences of many different kind of conditions to attack precision such as initial flying altitude, airspeed, flight path angle, external disturbance and target movement are investigated. Beneficial to theoretical significance and inspiring for engineering practice results are obtained.

紧紧围绕提高末制导精度、减小脱靶量这一研究目的，对不同的末制导控制方式、不同的末制导导引律、不同的末制导进入条件、不同的外部干扰、不同的目标特性等都进行了深入的研究、分析和探讨，并给出具有一定理论意义和丰富的工程实际应用价值的结论。

However, if the spectrum distribution of the objective in the field is different, and its difference mainly reflected in a fix band with different monotone, then, the goal of identifying the object could be done by changing photosenser response band and enhancing the contrast of object and background.

但是若视场中的目标具有辐射光谱分布差异，且其光谱分布差异主要体现在某一固定波段具有不同的单调性，那么可以通过有选择地改变光电传感器的响应波段，来提高目标与背景的对比度，从而也可以达到辨识目标的目的。

This problem involved many objective functions which had contradictions mutually and could not reconciled. According to different engineering requirements, the weighted and harmonic coefficient of each objective function was decided, and then it was changed to a single-objective optimization function. Engineering requirements on the system and related restrictions were given with the form of binding functions.

考虑问题所牵涉到的多个互相矛盾不可公度的目标函数，根据不同的工程要求，结合实践经验和计算经验确定各个目标函数的加权协调系数，然后将其表示为一个单目标优化函数；工程条件对系统的要求和相关限制，以约束函数的形式给出。

Applying combined method of quantitative analysis and qualitative analysis, on the basis of on ago research fruit, this paper firstly analyses main factors that affect the safe distance from friendly force to target for tank gun overhead firing systemically. Based on that, this paper builds math model of calculating the safe distance from friendly force to target separately aiming to the difference of tank gun overhead firing in plane and undulate terrain. At last, through applying Mathematica soft, this paper presents the safe distance from friendly force to target for a tank gun overhead firing used APFSDS, HEAT and HESH, combined qualitative analysis.

采用定量分析和定性分析相结合的方法，在以往研究成果的基础上，首先系统地分析并提出了影响坦克炮超越射击时友军至目标安全距离的主要因素；以此为基础，针对平坦地形和起伏地形上坦克炮超越射击的不同情况，分别建立了确定友军至目标安全距离的数学模型；最后通过运用Mathematica软件进行定量计算，并结合定性分析，提出了某型坦克炮使用尾翼稳定脱壳穿甲弹、空心装药破甲弹和杀伤爆破榴弹进行超越射击时友军至目标的安全距离。

Furthermore, buckling effect factors and their influence law are exploited. Finally, combining the character of piles foundation with high bridge piers with engineering practice, four optimal mathematic models are proposed and flow diagram of optimization analysis is fulfilled by the computer optimum program. A numerical example is analyzed to get optimal solution by using this program. Meanwhile based on the optimal model with buckling coefficient as the objective function, parameter variables are discussed about their effect rule toward the optimal value of objective function.

最后，针对高桥墩桩基础的特点，在基本优化模型的基础上，根据不同的目标函数建立了相应的优化模型，给出优化设计算法流程图，编制了相应的优化计算程序；并根据高桥墩桩基的工程实际设计了一个数值算例，采用本文编制的优化计算程序对该结构进行优化，得到了优化后的最优解；同时，采用高桥墩桩基屈曲系数作为目标函数的优化模型进行因素分析，初步探讨了参数变量对目标函数最优值的影响规律和程度。

An indicator sampling method is proposed for visualizing a three dimensional penetrable obstacle from a knowledge of far field data for time harmonic acoustic scattered waves.

提出了用时谐声散射场的远场信息来可视化三维可穿透目标的一种指示器样本方法，它是通过析取一个指示器函数在包含可穿透目标的某个样本区域中的支集来实现这种可视化的，其中，这个指示器函数在可穿透目标的内部和外部有显著不同的取值。

The purposes of this study were:(1) to explore whether there were interactions between "Feedback" and "Goal-setting" on both students' mathematical performance and test anxiety;(2) to compare the differences of students' mathematical performance and test anxiety between students' self-set goals and teacher-assigned goals;(3) to compare the differences of students' mathematical performance and test anxiety between students of different predicting abilities.

本研究的目的有三：一为探讨「回馈方式」与「目标设定」二因子之间是否有交互作用效果存在；二为比较学生自订目标与教师指定目标间，学生在数学作业表现或是数学测试焦虑分数上的差异；三为分析学生自订目标中，不同预测能力的学生在数学作业表现或是数学测试焦虑分数上的差异。本研究的受试来自台北市、台北县六所国小261名五年级学生，使用的工具有数学乘除法测验及数学测试焦虑量表。

In this thesis, we proposed a robust trilateration method to estimate Path Loss Exponent which stands for the signal attenuate rate for each reference node to target path by using two different frequency signals and the trilateration method. Then we used every PLE to calculate the corresponding distance and performed the trilateration positioning task using these distances. We also ran two simulations to evaluate our proposed method.

但另一方面，即使在同一空间中，却因为存在著许多变数而导致各个不同的路径都拥有自己的路径衰减指数，所以此篇论文我们提出先利用两个不同频率的讯号测得参考点到目标上的路径衰减指数后，再利用此数值做此路径的距离推导，最后再藉由三点定位法做出目标的定位。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。