抗干扰技术

• This paper sums up the main jamming resources of computer control system in the actual operation , introduces several hardware and software anti - jamming technologies that can improve the system stability
  总结了计算机控制系统在实际运行中的主要干扰源,介绍了几种能够提高系统稳定性的硬件抗干扰技术和软件抗干扰技术。
• Some novel technologies are also proposed , such as two dimensional spread spectrum ( 2d - ss ) , self - encoded spread spectrum ( sess ) , multiple input multiple output ( mimo ) , orthogonal frequency division multiplexing ( ofdm ) and so on
  另外,对目前新兴的一些抗干扰技术,如二维扩频、超宽带、多天线、自编码扩频等技术也做了简单分析。
• In chapter one the present studies on anti - interference utilizing adaptive array is reviewed and the problems which are important in adaptive array realization such as reference signal generation and afc are pointed out
  全文共分六章：第一章概述了当前阵列天线抗干扰技术的现况以及阵列天线实用化所必须解决的问题：参考信号提取和afc问题。
• This measure system adopts anti - iamming technology such as shielding , isolation and so on , and exerts the ways of hardware - filter , software - filter and signal disposal to insure the veracity and stability of the measure
  本测试系统采用了屏蔽、隔离等抗干扰技术，并运用了许多硬件滤波、软件滤波、信号处理的方法以确保测量的准确性、稳定性。
• This paper first analyses the chief consequences that electromagnetic interference interferes in scp application systems , then respectively introduces varieties of software anti - interference technology to enhance the reliability in scp application systems
  首先分析了电磁干扰对单片机应用系统造成干扰的主要后果，然后分别介绍了提高单片机应用系统可靠性的各种软件抗干扰技术。
• On the other hand , the present research results were mainly about the narrowband interference mitigation , and the influence of wideband nonstationary interference for dsss is more important , so we should research more noval anti - jam technology and systems in the military environment
  此外,大多数抗干扰研究成果集中在窄带干扰抑制上,宽带非平稳干扰对扩频系统的影响逐渐引起人们重视。因此,需要研究新型的抗干扰技术与体系。
• The paper discusses the function and structure of the turbine lcu in long dong hydro plant , main equipments and instructions , idea of software design , frequency measuring technique , mutitranferring technique , data collecting & processing technique , anti - intererring technique and so on
  文中讨论了龙洞电厂机组lcu的功能和结构，主要配置以及说明，软件设计思想，主要控制回路设计，测频技术及转速继电器，数据采集与处理技术，抗干扰技术等。
• To abominable and complicated work condition of dynamic balancing machine and serious jamming , software anti - jamming technology is adopted . principle of software redundance , software hook , " watchdog " and auto - resume from malfunction is detailedly described and program is designed
  针对动平衡机的工作环境恶劣和复杂，干扰严重的特点，采用了软件抗干扰技术，本文详细论述了软件冗余、软件陷阱、 “ watchdog ”和故障自动恢复处理等技术原理和程序设计方法。
• Combining the practice , this paper at first analysed the basic requirements of embedded system software and the features of software anti - interference , then presented some kinds of effective methods for software anti - interference such as technologies of software engineering and fault sell - diagnosis in software etc
  结合实残，文章分析了嵌入式系统软件的基本要求及软件抗干扰的特点，并从软件工程开发方法和故障自诊断技术等方面提出了若干行之有效的软件抗干扰技术。
• This thesis probes into design of microcomputer system taking single chip microcomputer as central , anti - interference , security segregate and design of interface circuit etc . furthermore , the option to cycle of sampling various frequencies examine signals is also analyzed and it was utilized in the examine system . thus , the dependability and stability problem of the microcomputer examine system of hydraulic resistance testbed have been solved better , make this test a modern techniques and practibility is good
  本文在以单片机为核心的微机系统的设计、接口电路设计、抗干扰技术及安全隔离技术等方面进行了较深入的研究，分析了不同频率检测信号采样周期的选择，并在检测系统中得到了应用，较好地解决了水阻试验台微机检测系统的可靠性和稳定性问题，使得该试验台技术先进、实用性好。