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frequency diversity中文是什么意思

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用"frequency diversity"造句"frequency diversity"怎么读"frequency diversity" in a sentence

中文翻译手机手机版

  • 频率分集，频率分隔，散频
  • 频率分集制
  • 频率分级

例句与用法

  • The application of mc - cdma enables one to avoid isi and ici in the detection process , resulting in advantages of frequency diversity
    由于在给定条件下，信号的峰平比是功放体积的决定性因素。
  • Furthermore , because the average power of transmitting lfmcw signal is the minimum peak power and the frequency diversity is high , it could not be detected easily
    其次,由于lfmcw雷达发射其所需的平均功率是最小的峰值功率,并具有很高的频率分集性,因此不易被侦察设备探测。
  • At the same time , to achieve space , time and frequency diversity , some research is done on stf technology , which joints transmit diversity and ofdm technology
    同时对发射分集技术和ofdm相结合，通过适当的编码技术来获得空、时、频分集的空时频编码技术进行了一定的研究。
  • Finally , this thesis put forward the application of frequency diversity reception to the counteraction against the frequency selectivity decline in the airborne oceanic submarine laser communication system , and whose capability graph is educed through the simulation on the computer
    文中提出把频率分集接收技术应用于对潜通信中，以达到抗频率选择性衰落的目的，并通过计算机模拟得出了其性能曲线。
  • Space or multi - anntenna , diversity techniques are particularly attractive as they can be readily combined with other forms of diversity , e . g . , time and frequency diversity , and still offer dramatic performance gains when other forms of diversity are unavailable
    空间或多天线分集技术由于可以与其它如时间分集,频率分集技术相结合,并在其基础上提供很大的性能增益,而成为一种很有吸引力的分集技术。
  • Synchronization is the commander of every digital communication system , without it the system is unable to work orderly and correctly . a five - tuple of time - frequency diversity is adopted to guarantee that the synchronization signal be retrieved reliably in the receiver
    同步是任何数字通信系统有序工作的“指挥棒” ，本研究采用5重时频分集的方法，使得在接收端能够可靠地恢复出系统工作所需要的同步信号。
  • It is very difficult to design a high - quality underwater acoustic data transmission system . in our study , we use frequency diversity and frequency - hopped technology . this method is an effective solution for the isi and signal fading
    该方法起到保证mfsk传输系统使用频率中文摘要统使雨频率分集技术能得以有效的实现；并可用于提高mfsk信号检测精度，因此在频率信号检测中它有广泛应用意义，它是本文重要创新之处。
  • Frequency diversity technique is effective in suppressing age if the frequency interval is big enough to remove off the correlation between the pulses transmitted by radar , wide - band mmw radar can satisfy the requirement but conventional microwave radar can t
    频率分集技术抑制目标角闪烁的有效性，取决于去除脉间相关性的性能，即要求雷达发射信号必须有较大的频率间隔，宽带毫米波雷达正好满足了这一常规微波雷达不能满足的要求。
  • Lt is well anown that the multi ? ath effeet results in signal fading and intersymbol interference ( isd , wnich causes great difficulhes in pewces of transndssion in underwater acoushc cotnmnication . in this papef we used frequency diversity method to overcome the problem of signal fading , and used the frequency - hopping method to ebonate the isi caused by multi - path
    水声信道多途特性引起的信号衰落和码间干扰是影响水下通信质量的主要因素，采用频率分集技术可以处理幅度衰落，而跳频技术则可以简单、有效地抗多途引起的码间干扰。
  • With this tech , we design a high - efficient & robust mfsk data transmission system . but in frequency diversity of mfsk system , it is very difficult to tell which diversity is the correct carrier frequency . now we use the temporary phase swift ( ips ) method to solve the difficulty
    在2000年，美国海军成功通过水声链路并接入internet网络发送e mail ，这具有重要的战略意义；从科学技术发展的角度来看是喜讯，但对我们这样一个海洋大国来说，更现实的意义在于鞭策自己的科研工作。
  • 更多例句：  1  2
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