高频辐射

  • 网络high-frequency radiation;high frequency radiation
高频辐射高频辐射
  1. 综述应阐明各个频段振荡产生的物理机理,给出国内外对振荡问题研究的方法,指明目前振荡研究存在的问题;建立霍尔推力器内高频辐射实验测量系统。

    The summary of various oscillation should have a clear physical mechanism of oscillation , give the research methods issue from domestic to foreign and indicate the existence of current problems of oscillations ; The establishment of Hall thruster experiment system to measure high-frequency radiation .

  2. 在高频辐射和实验室典型尺度条件下,TT坐标系与Fermi坐标系的差异是可以忽略的。

    Under the condition of high frequency radiation and laboratory 's typical size , difference between TT coordinate and Fermi coordinate systems can be neglected .

  3. 文章针对非屏蔽塑料外壳设计的终端产品A、产品B在辐射发射测试中存在的问题,提出了采用扩频技术来抑制高频辐射骚扰的解决方案,并用实验结果证明了此方案是可行的。

    The paper analyze the radiated disturbance problem in electromagnetic radiated testing about unshielded enclosure terminal product A and B , and give the specified solution plan to reduce the high-frequency radiated disturbance through using spread-spectrum technique and this experiment result prove that the plan is practicable .

  4. 而将正时机构由正时齿轮传动改为同步齿形带传动,可以大大改善前端测点的500Hz以上中、高频辐射噪声。

    Changing the drive of timing mechanism from timing gear to notched belt can greatly reduce the high and medium frequency ( higher than 500 Hz ) radiated noise at front measuring point of the engine .

  5. 中波广播高频辐射测试分析

    Analysis of Middle Wave , High Frequency Broadcasting Radiation Assaying

  6. 研究了4次地闪的甚高频辐射波形及其特征。

    Moreover , waveforms of VHP radiations of 4 cloud-to-ground flashes were analyzed .

  7. 均匀脉动柱面声源阵高频辐射远声场特性的研究

    Research on character of far sound field of homogeneous pulsating cylinder sound sources

  8. 高频辐射职业危害的探讨

    The study of occupational hazards of high frequency radiation

  9. 用超短光脉冲产生超高频辐射

    Radiation of ultrahigh frequency microwave with ultrashort optical pulses

  10. 该天线虽然实现了双频段阻抗特性,但是天线高频辐射方向图发生裂瓣。

    Although the antenna is of dual-band impedance performance , its radiation patterns at the high frequency are deformed .

  11. 笔者认为即使在强度低于高频辐射卫生标准下工作,仍应加强作业环境防护措施。

    It was indicated that the protection measure of working condition should be strengthened , even if exposure level was lower than the limited level of hygienic standard .

  12. 本文介绍了电子磁射对人体健康的危害、微波和超高频辐射的国家卫生标准和安全防护措施。

    This paper introduces the harm of electromagnetic radiation to the person 's health , country hygienic standard for microwave and ultra high frequency radiation and measure of protection .

  13. 霓虹灯电子变压器高频辐射消除装置由二极管组成桥式电路和电容组成。

    The utility model relates to a high frequency radiation eliminating device for electronic transformer of neon lamps , which is composed of a bridge circuit which is composed of diodes and a capacitors .

  14. 并分析了车身板件的声学贡献,为内部声场控制提供理论依据。最后,运用统计能量法对由于轮轨辐射噪声、空调噪声等引起的高速动车组头车室内高频辐射噪声进行研究。

    The basic data for the internal sound field control through analyze the acoustic contribution of panels are provided . Finally , high-frequency radiated noise of high-speed train based on SEA , by which caused wheel-rail radiation noise , air-conditioning noise are researched .

  15. 基于WLAN技术的楼宇内网络建设方案及其高频电磁辐射测试分析

    WLAN Construction Scheme In Buildings And its Analysis of High Frequency Electromagnetic Radiation

  16. 当高强度的激光场与原子或分子相互作用时可以产生高次谐波,人们可以利用高次谐波获得相干极紫外高频段辐射源XUV和X射线源。

    It is well-known that the interaction of intense laser field with atoms and molecules can lead to high-order harmonic generation ( HHG ) . Coherent sources of radiation in XUV and x-ray regions can be obtained by HHG .

  17. 从弱引力场的Einstein-Maxwell方程出发,讨论了晶体空间阵列的狭窄波束型高频引力辐射与电磁场的作用效应,并给出了扰动解。

    Starting with the Einstein-Maxwell equations of weak gravitational field , we discussed the interaction between narrow wave beam-type high frequency gravitational radiation of crystal space array and electromagnetic fields .

  18. 4个安装不同类型SVC的变电站的现场测试和分析表明,SVC的高频电磁辐射集中在10kHz~3.5MHz,最大辐射强度为磁场0.87A/m和电场114V/m。

    On-site measurements in four different SVC-based substations demonstrate that the high frequency electromagnetic emissions produced by the SVCs are mainly from 10 kHz to 3.5 MHz , with the maximum emission amplitudes 0.87 A / m and 114 V / m recorded for H - and E-field respectively .

  19. 高频微波辐射及传输衰落特性介绍。

    To introduce the fundamental characteristics of radio wave propagation .

  20. 霍尔推力器高频电磁辐射的实验研究

    Experimental Study on High-Frequency Electromagnetic Radiation in Hall Thruster

  21. 制鞋工人高频电磁辐射暴露的测量与评价

    Measurement and evaluation on occupational exposure to high frequency field in shoemaking workers

  22. 回转体边界层的高频声辐射

    On the high frequency acoustic radiation from boundary layer of an axisymmetric body

  23. 高频微波辐射对作业人员脑血流图影响的探讨

    Study of reg effects on production workers under the radiation of frequency and microwave

  24. 高频电磁辐射对记忆能力的影响

    Effect of High Frequency Electromagnetic Exposure on Memory

  25. 高频电磁辐射防护材料的研究

    Study on high frequency electromagnetic radiation protective material

  26. 从空间飞行器入射进电离层的调制电子束产生的高频波辐射

    High-Frequency Wave Excitation by the Modulated Electron Beam From Spacecraft Injected Into the Ionosphere Plasma

  27. 利用电磁波吸收理论研究了建筑围墙对高频电磁辐射的吸收特性。

    By electromagnetic wave absorbing theory , this paper discussed building wall 's absorbing characteristics in high frequency .

  28. 研究表明,高频电磁辐射会产生热效应,使人体温升高,并带来一系列健康问题。

    Research indicates that high-frequency electromagnetic radiation will produce thermal effects , push the body temperature higher and bring a range of health problems .

  29. 因此,在高频下辐射被减少了,物体丧失能量的速率变成有限的了。

    Thus the radiation at high frequencies would be reduced , and so the rate at which the body lost energy would be finite .

  30. 侧向光效应光电探测器(二)在气象探测环境保护范围内设置影响气象探测设施工作效能的高频电磁辐射装置;

    Lateral photoeffect photodetector installing , within the protected environs for meteorological observation , high frequency electromagnetic radiation devices which impair the performance of the meteorological measuring instruments ;