阵

In the first part of dissertation, the basic theory of conformal array is introduced. The three-dimension DBF of circular array and cylinder array are presented.

首先，介绍了共形阵的基本理论及相关技术，并对共形阵的常规阵列均匀圆阵和圆柱阵进行了详细的三维波束图仿真研究。

The rank function is introduced for poset greedoids on the base of poset matroids,and the closure operator s are defined and a series of properties of closure operaters of poset greedoids are discussed.

在偏序集拟阵的基础上，引入了偏序集广义拟阵的函数，定义了偏序集广义拟阵的闭包算子，讨论了偏序集广义拟阵的一系列性质。

Deficiently, only ordinary antennas are studied here, circular array and cylindrical array, for example. Farther study about complex and anomalous conformal antennas is expected.

不过，本文中只对简单形式的共形阵天线，如圆形阵、圆柱面阵天线进行了分析，复杂的不规则的共形阵天线的情况还有待于进行进一步的研究。

On the basis of array model of the Multiple-Input Multiple-Output radar, a universal array model of the Synthetic Impulse and Aperture Radar is constructed and a realization sheme for microwave SIAR with a thinned subarray set for the transmitted array and a dense subarray set for the received array is proposed.

结合MIMO雷达多发多收的特点，建立了微波综合脉冲孔径雷达的阵列模型，并提出该阵列的一种实现方案：发射阵采用稀布子阵集，接收阵采用密布子阵的形式。

The Periscope Drawtube will be bent because of the water resistance in sailing and this bend will cause the error of star measurement. Due to its especial structure, contactless measurement is the only way to measure its bend degree. First this paper introduces the method by linear array CCD based on structure and light path; Second it expatiates linear array CCD work principle and driving scheduling with example of TCD1501C and the driving circuit by CPLD. The output signal of linear array CCD includes common disturbance so the differential amplifier is needed. In order to make the signal adapt to computer processing, a threshold circuit with Schmitt characteristic and the data process following threshold are given. At last, some key problems in application are given.

潜艇潜望镜的镜筒在航行时受到水的阻力会产生弯曲变形，这种变形会造成潜艇对星体测量的误差；由于镜筒结构的特殊性，对其弯曲程度的测量只能采用非接触方法；首先从结构和光路方面介绍采用线阵CCD作为检测元件实现对镜筒弯曲程度的测量；其次以东芝公司的线阵CCD（TCD1501C）为例阐述了其工作原理及驱动时序的控制要点，并介绍了基于可编程逻辑器件的线阵CCD的驱动电路；线阵CCD输出的信号中含有共模干扰，必须采用差分放大器将其抑制；为将信号转化为适合计算机处理的数字信号，文中给出了有一定实用价值具有施密特特性的二值化处理电路及二值化后的数据处理过程；最后阐述了在实际使用中的一些关键问题。

The exchange theorem of bases of closed regular fuzzy matroids is obtained with the help of "the exchange theorem of bases" of crisp matroids. Then,the relations between the fuzzy bases and the fuzzy circuits in closed regular fuzzy matroids are studied, and some necessary and sufficient conditions for some fuzzy independent set to be a fuzzy base; some fuzzy circuits from a fuzzy base, and some fuzzy bases from a fuzzy circuit are investigated.

根据传统拟阵的基交换定理，作者给出了闭正规模糊拟阵的基交换定理，得到了一系列结论，并在此基础上进一步研究了闭正规模糊拟阵的模糊基与模糊圈之间的关系，然后给出了闭正规模糊拟阵中某模糊独立集是模糊基、从一个模糊基得到一些模糊圈、以及从一个模糊圈得到一些模糊基的充要条件。

The test results obtained by National Defense Underwater Acoustic Metrology center show that, the FOH presented in this dissertation has extremely low acceleration sensitivity and excellent performance, which can completely satisfy the towed linear array application.The main results and the creative points of the present dissertation are as follows:1. A novel FOH structure is presented.

在国防水声一级计量站对(来源：ABe5f5e5C论文网www.abclunwen.com)所研制的拖曳线列阵光纤水听器的综合性能指标进行了全面测试，测试结果表明本论文研制的拖曳线列阵用光纤水听器具有很低的加速度灵敏度和很好的综合性能，已能满足光纤水听器拖曳线列阵的应用要求，这为光纤水听器拖曳线列阵的发展奠定了基础。

Acceleration sensitivity, which determines the noise level of sensing array induced by cable dithering and towing instability, as a result of the special working scheme, circumstance and structure installation of the towed linear array, is a key parameter of the fiber optic hydrophone for the towed linear array application. Therefore, the reduction of FOH acceleration sensitivity is important for the towed linear hydrophone array to achieve an excellent performance.

拖曳线列阵的工作方式、环境条件和结构安装等特点对光纤水听器的性能提出了许多特殊的要求，特别是加速度灵敏度，它关系到拖曳线列阵声纳能否有效地抑制由拖缆抖动及拖曳力变化等引起的振动噪声的干扰，因此降低拖曳线列阵用光纤水听器加速度灵敏度是光纤水听器拖曳线列阵系统性能的重要保障。

The fundamental sequence, fuzzy bases and its algorithm, fuzzy circuits and its algorithm are studied in this thesis are all important topics in the research fields of fuzzy matroids. They enrich the theory of fuzzy matroids and it is very useful for them to push the change of fuzzy matroid from basic research to application research.

本论文研究的模糊拟阵的基本序列、模糊基及算法、模糊圈及算法都是模糊拟阵的重要内容，丰富了模糊拟阵理论，对于推动模糊拟阵从基础研究逐渐向应用研究的转变起着重要作用。

First, based on phased array antenna's mono-pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array.

首先以单脉冲相控阵天线测角原理为基本理论出发点，利用相位控制的坐标分离技术，基于线阵、圆形阵等简单形式的相控阵天线，推导了平面阵、圆柱面阵等相控阵天线由相位量化误差引起的波束指向误差公式。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。