抗电磁干扰

• Compared with traditional accelerometers , this accelerometer has many advantages including high precision , simple structure , high sensitivity and stability , wide bandwidth and resisting electromagnetism interference etc , so the application of the fiber - optic accelerometer is significant
  同传统的加速度计相比,该光纤加速度计系统具有精度高、结构简单、灵敏度高、抗电磁干扰和传输频带宽等优点,具有广阔的应用前景。
• The pneumatic servo system is used in automation and military industry wildly as the transmission medium has the advantages including noncombustibility , no pollution , strong ability of anti - interference to electromagnetic radiation , fitness for bad work environment
  气压伺服系统由于其介质的不易燃、不易爆,系统抗电磁干扰和抗辐射能力强,工作介质无污染,适于在恶劣环境下工作等一些特点,在自动化和军事领域都得到了应用。
• Compared with microwave communication , space optical communication has much superiority : much greater communication capability , narrow beam , good direction , much greater power density functions , lesser antenna size and whole mass , and high capability of anti - electromagnetism and secrecy
  与微波通信相比，空间光通信具有很多优点：通信容量可以显著增大；发射光束窄，方向性好，功率密度显著增加；天线尺寸小，系统质量相对小；抗电磁干扰，保密性强等等。
• The main features of the apparatus are focus on small volume , light weight , no iron core , no magnetic saturation and no ferreous resonance , moreover , related advantages such as the large range of transient and frequency response , excellent electrical magnetic compatibility , oil - free configuration , reliable insulation structure , are all the trends of current transformer in the future . meanwhile , it should agree with the future power gauge and digital , computer , automatic relay protection . it will meet the demand of digital power network
  它具有体积小、重量轻；无铁芯、不存在磁饱和与铁磁谐振问题；动态响应范围大，频率响应宽；抗电磁干扰性能强；无油化结构、绝缘可靠、价格低等优点；是未来电流互感器发展的方向，是新一代电力数字网发展的需要，适应电力计量和保护数字化、微机化和自动化发展的潮流。
• As a new component of sensor , fiber grating have many instinctive advantages , such as light in weight , anti - cauterization , anti - interference in electromagnetism , high - sensitivity and compaction in construction . it is very easy to be coupled with fibers and the coupling - loss is slight . using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings , bridge , railway and dam )
  光纤光栅传感器除了具有重量轻、耐腐蚀、抗电磁干扰、灵敏度高、结构紧凑等优点外,还有其独特的优越性,如探头尺寸小,其直径与光纤等同;易于与光纤耦合,耦合损耗小;波长调制型,抗干扰能力强;集传感与传输于一体且具有极强的复用能力,易于构成传感网络;测量对象广泛,易于实现多参数传感测量等等。
• Space optical communication has much advantage such as much greater communi - cations capacity , high - bit - rate , high secrecy , high anti - electromagnetic disturbance , small size and low attenuation . it is a lively branch of communication . so each country attaches important attention to space optical communication , and achieves great progress
  空间激光通信具有大通信容量、高传输速率、保密性好、高抗电磁干扰能力、终端设备体积小、功耗低等优点,是通信领域内一个富有生命力的分支,因此各个国家都非常重视对空间激光通信的研究工作,并取得了可喜的进展。
• Optical fiber process tomography ( ofpt ) is a new technology in the field of optical fiber sensor ( ofs ) . the probe of ofpt is small , safe , free of electromagnetic interference and has high sensitivity in low - density medium case same as ofs , more important and different is that it can detect the medium distribution and contents of the cross - section to be investigated simultaneously , which makes ofpt show potential and extensive applications in petroleum , chemical , energy , medicine , food and sanitation fields to control product quality , realize safe production and reduce the cost
  光纤过程层析成像是光纤传感领域的一门新型技术，具有光纤传感器的测量低浓度物质分辨率高、体积小、抗电磁干扰以及可以进行分布式测量的共同优点和可以同时测量物质截面内部结构的独特优点，在多相流动广泛存在的石油、化工、能源等工业部门和医疗、卫生、食品等领域具有广泛的应用前景，对监控产品质量、降低成本以及保证生产安全具有非常重要的意义。
• Compare with the tradition sensors , fbg sensors have many unique advantages , such as simple structure , good reliability , strong corrosion resistance , strong anti - interference of electromagnetism and easy to constitute to spread the feeling network etc , so more and more researchers and engineers show great interests in the applications of the fiber bragg grating ( fbg ) sensing and measuring technologies
  与传统电类传感器相比,光纤bragg光栅传感器具有结构简单、可靠性好,抗腐蚀、抗电磁干扰能力强复用能力强,便于构成各种形式传感网络,进行大面积的多点测量等优点。由于光纤光栅传感器自身具备许多不可替代的优越性,因此受到越来越多的科研工作者和工程技术人员的青睐。
• Fiber bragg grating strain sensor is a new sensor that is developing rapidly in recent years . it possesses many virtues that include distributing sensing , anti - electromagnetic interference , high precision and good stability , and so on . the extensive interest has been produced because of attractive application of the new sensor in structure health monitoring of large civil engineering structures , such as large - span bridges
  光纤光栅传感器是近年来迅速发展起来的一种新型传感器，除具有传统电类传感器的功能外，它还具有分布传感、抗电磁干扰、精度高、长期稳定性好等优点，在大型土木工程结构(如桥梁结构等)的健康监测中有着广阔的应用前景。
• Fiber bragg grating ( fbg ) sensor , which uses the property that the bragg wavelength is sensitive to temperature and strain , is a new kind of fiber optic sensor . in addition to having the same functions as the traditional electric sensors , the fbg sensor also has some special characteristics such as distributed sensing , immune to electromagnetic interference , high precision and long - term stability
  光纤bragg光栅传感器是利用bragg波长对温度、应力的敏感特性而制成的一种新型的光纤传感器，除具有传统电类传感器的功能外，它还具有分布传感、抗电磁干扰、精度高、长期稳定性好等优点，在大型复合材料和混凝土的结构监测、智能材料的性能监测、电力工业、医药和化工等领域有着广阔的应用前景。