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limiting frequency中文是什么意思

  • 极限频率
  • 截止频率

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  • 例句与用法
  • At last , in according to the experiment results , the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation . further more , the relationship among the limit frequency , the value of prepressing , excitation frequency , the amplitude of excitation and the materiel parameter was analyzed . base on the theory analysis the limit frequency formula was given , and the contact - slip condition for engineering application was concluded
    最后根据理论研究与试验分析的结果,分析预紧接触式弹簧阻尼系统产生滑移现象的机理以及共振峰值漂移现象的理论解释,并通过定性分析接触分离时的频率与预紧量、激励频率、激励力幅值以及垫层的材料参数之间的关系,提出能定量描述系统出现滑移现象的极限频率公式,总结了预紧接触式结构始终保持接触的条件。
  • Cdma becomes the key technique to realize the 3rd generation mobile communication , and has been widely used . with the rapid increase of social information demand and the fast popularization of individual mobile communication , frequency has become more and more valuable . in order to hold more users in a limited frequency , many technique is proposed , among which smart antenna is the research hotspot
    Cdma作为实现第三代移动通信的关键技术,得到了广泛的应用。随着社会信息需求的急剧增加、个人移动通信的迅速普及,频谱已成为越来越宝贵的资源。为了在有限的频带上容纳更多的用户,有许多技术被提了出来,其中的一个研究热点就是智能天线。
  • With the increasing of mobile users and the demands which are transforming from the pure voice service to multimedia service , the limited frequency spectrum resources are running short . in the future the transmission rate in wireless multimedia communications will reach 100mbit / s
    随着移动用户的增多以及人们对移动通信业务的追求从单纯的语音业务扩展到多媒体业务,有限的频谱资源显得日趋紧张。未来高速无线多媒体通信要求数据传输速率可达100mbit / s ,因此追求尽可能高的频谱利用率以及增加通信系统容量已成为并且在今后仍然是一个充满挑战的问题。
  • Thinning the crystal grain and increasing the center vent are effective approach to raise the limiting frequency of high permeability mnzn ferrite . through large quantities of experiments , we made progress in raising limiting frequency of high permeability mnzn ferrite . we prepared the broad band mnzn ferrite of which the initial permeability was 10000
    通过采用上述实验中的优化配方、添加剂组合以及制备工艺,我们在高磁导率材料的宽频特性方面取得了很大的进展,研制出了起始磁导率磁导率为10000的宽频mnzn铁氧体材料,当频率达到300khz时,起始磁导率下降不到20 % ,其性能相当于epcos公司改进的t38材料。
  • The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media . time signal stacker receive signal by stacking and doing fft to measure the transfer function of media . " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window
    精密可控震源用于产生频率精确相位稳定的正弦弹性波以照射地层内部,信号叠加器通过对接收信号进行叠加和进行傅立叶变换的方式实现对介质传递函数的精密测量, “存否”倒谱方法能够根据一段窄带频域传递函数数据获得时域上各个波成分的群速度传播时间和介质衰减因子。
  • Electromagnetic compatibility ( emc ) is a cross - disciplinary science based on electromagnetism and drawing upon areas such as information science , electrical engineering , electronics , communications , materials and structures , etc . it is also an applied technology , which is used to study , under the conditions of limited space , limited time and limited frequency resources the compatibility of electrical and electronic devices and systems within the common electromagnetic environment without a degradation of performance
    电磁兼容( emc )是以电磁场理论为基础,包括信息、电工、电子、通讯、材料、结构等多学科交叉的,研究在有限空间、时间和频谱资源条件下各种电器、电子设备或系统在同一电磁环境中相互兼容,而不致引起其性能下降的应用科学技术。
  • Our treatment shows in the raman effect case , mnls solitons , the same as nls solitons , keeps its energy , initial center and initial phase unchanged . however , the raman effect , not the same as nls solitons . reduces its amplitude , widens its width and under the same conditions , the self - frequency shift of mnls soltions is closer to the result of numerical simulation . in the raman effect together with frequency filters case , mnls solitons , the same as nls solitons , keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency , i . e . suppress the self - frequency shift of mnls soltions . and that , the other physical parameters of mnls soltion last stand a steady value . however under the same conditions , the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation
    有所不同的是, raman效应虽然不改变孤子能量,但会引起孤子峰值的下降和宽度变宽,且在同一条件下, mnls孤子微扰理论得到的自频移比nls孤子微扰理论得到的更接近直接数值计算结果。有限带宽的频率滤波也不引起mnls孤子初始中心、初始位相的改变,选取适当的频率滤波器参数值能使孤子的平均频率稳定在初始平均频率的红侧一稳定值,抑制了自频移,而且孤子的各物理量最后都稳定在一稳定值,这些与nls孤子微扰理论都是类似的。有所不同的是,宽度为飞秒量级下, mnls孤子平均频率的稳定值更接近初始平均频率,更接近数值计算结果。
  • Electromagnetic compatibility ( emc ) is across - disciplinary science based on electromagnetism including information science , electrical engineering , electronics , communications , materials and structures , etc . it is also an applied technology , which is used to study , under the conditions of limited space , limited time and limited frequency resources , the compatibility of electrical and electronic devices and systems within the common electromagnetic environment without a degradation of performance
    电磁兼容( emc )是以电磁场理论为基础,包括信息、电工、电子、通讯、材料、结构等多学科交叉的,研究在有限的空间、时间和频谱资源的条件下各种电气、电子设备或系统在同一电磁环境中相互兼容,而不致引起其性能下降的应用科学技术。
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Last modified time:Mon, 11 Aug 2025 00:29:56 GMT

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