抗干扰的

Compared with uncoded system, the Turbo-coded optical wireless system improves the performance of optical wireless link because Turbo code compensates losses and noises of link and improves jamming-rejection ca...

比较了基于Turbo码的大气无线光通信系统与未编码大气无线光通信系统，发现Turbo码技术能够很好地补偿和克服各种衰减和噪声，提高了系统的抗干扰能力，使系统的性能得到了很大的提高。

The result show that, choosing appropriates parameters, the system can archived rapid v...

仿真表明，选择合适的参数，可获得动态响应快、超调小、抗干扰能力强，具有良好的动静态跟踪能力的高性能的矢量控制调速系统。

The paper is an important part of tenth-five national defense scientific research. Using correct coding technology we research anti-jamming technology of millimeter communication system. The method of code is serial coherent convolved code.

本论文是&十五&国防科研项目的重要组成部分，主要采用信道中纠错编码的手段研究了毫米波通信系统的抗干扰问题，编码的方法选用串行级联卷积编码。

Lastly, anti-jamming method based on jittering orthogonal codes at different moments is studied, orthogonal codes are searched with the genetic algorithm, and random initial phase is also used in this method, so great anti-jamming performance is gotten, and the performance is testified through the simulation.

提出了基于正交编码捷变的抗干扰方法，使用遗传算法搜索正交编码集，在不同的慢时刻使用相互正交的编码信号，并与随机初相方法相结合，有效地抑制了基于转发的有源干扰。

Because its principle is simple and easy, the Least Square Fitting is often used in present fields; but it is often interfered by personal reasons. An approach with Hough transform to calculate attitude of tilt fracture and bed plane is another one, which is insensitive to disturbance, but the computational quantity is quite large.

最小二乘拟合法是目前现场主要采用的方法，它的原理简单，容易实现，但是容易受到人为因素的影响；Hough变换方法具有一定的抗干扰能力，但是计算量大。

On the background of mobile computing, distributed system, agent system and ontology, the author explores the mobile computing in limited environment at three levels, i.e., mobile computing formal model, mobile ontology and application model. Some targets of the research works include the dynamic ambients calculus, robust ambients calculus and mobile ontology. Some innovative contributions of the dissertation are enumerated as: 1、Proposing a mobile computing dynamic ambients calculus.

论文研究工作基于陕西省十五科技攻关课题&移动嵌入式电子商务平台及关键技术研究&，以移动计算、分布式系统、Agent系统、本体论等相关领域技术为背景，从移动计算形式模型、移动本体论、应用模型三个层次研究了面向受限设备的移动计算技术，内容主要涉及移动计算形式模型中的动态环境演算、抗干扰鲁棒环境演算以及面向移动领域的移动本体论等，研究工作取得了如下创新性成果： 1、提出了跨平台、跨网络的动态环境演算。

Firstly, we simulate the signal received by OTHR in each antenna according to the real working condition, and save the signal datum in file. Secondly, we develop the signal processing program and the visual users interface. Thirdly, we utilize the simulation system to analyze Linear Frequency Modulated Continuous Wave OTHR system and Binary Phase-coded Continuous Wave OTHR system. Finally we compare the performance in suppression of interference of these two kinds of OTHR system.We achieve two aims in this simulation system.

本文首先根据OTHR的工作环境模拟OTHR各个阵元接收的回波信号，并将其保存为数据文件；然后根据OTHR的系统结构，编写信号处理程序，并给出可视化用户界面；最后利用OTHR仿真系统，对二相编码连续波和线性调频连续波这两种发射波形的OTHR作抗干扰性能分析。

This paper starts with the analysis of power loss of Asynchronous Motors, discusses the performance characteristics, energy-saving theory, energy-saving effects, anti-EMI of protectors and other problems that should be noticed when three-phase Asynchronous Motor switches from △ connection to Y connection.

本文从分析异步电动机的功率损失入手，阐述了三相异步电动机Δ-Y切换降压运行的工作特性、节能原理、节电效果、节能保护器应采取的抗干扰措施以及其它应注意的问题。

Different fiber optic light grid's spreading a feeling machine can have a different work wave-length, so can make use of to reply to use a technique for a cent, fiber-optic unite many fiber optic light grids to spread a feeling machine to make distribute type diagraph in one.

光纤光栅传感器除了具有一般光纤传感器的优点之外，还具有FBG波长编码的特性，它使FBG抗干扰能力强，易于组网复用，实现准分布式测量，可以运用在恶劣环境的场合，是传统传感器的理想替代品。

Utilizing Chua's circuit, a drive-response chaotic synchronization system is constructed, by means of imitation, it can be concluded that this synchronization system possesses to a certainly stability、resisting-disturbance, and so on;Based on its system and by means of imitation, the characteristic of the chaotic synchronization self-maintenance is put forward, and imitation results are also presented.

介绍了Chua电路及其特性，给出了实现非线性电阻的一种电路；利用Chua电路构造出一种驱动-响应混沌同步系统，通过仿真得出此同步系统具有一定的鲁棒性、抗干扰等特性；根据此同步系统，仿真发现混沌同步具有自保持特性，并给出了仿真结果，这一在混沌领域的首次发现为混沌在保密通信的实际应用提供了依据。

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。