carrier interference 中文意思是什麼

carrier interference 解釋
載波干擾
  • carrier : n 1 運送人，搬夫；負荷者；使役，〈美國〉信差，郵遞員；送報人；〈英國〉運輸行，運輸業者。2 傳書鴿...
  • interference : n. 1. 沖突，抵觸。2. 干涉，干預。3. 妨礙，打擾，阻礙物。4. 【物理學】干擾；干涉。
  1. Legal interference with an opposing player to clear the path of the ball carrier

    阻擋干擾對方隊員為帶球者開道的合乎規定的阻止
  2. The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space

    環形激光陀螺儀（ ringlasergyro ，簡稱rlg ）是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器，它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。
  3. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  4. The second part induces the chief characters of international interference after the cold war : international organizations have become the important carrier of implementing international interference ; the interference actions under the collective security system have become the significant form of international interference after the cold war ; economic sanction has become the important means of the international interference after cold war instead of military sanction ; universalized range of international interference after the cold war ; moralization of subterfuge of post cold - war international interference

    第二部分，該部分歸納了冷戰后國際干預的主要特徵：國際組織成為冷戰后實施國際干預的重要載體；集體安全體制下的干預行為成為冷戰后國際干預的重要形式；經濟制裁取代軍事手段成為冷戰后國際干預的重要手段；冷戰后國際干預范圍的廣泛化；冷戰后國際干預借口的道德化。
  5. According to the principle of spread spectrum communication, the anti - interference performance of the technology is discussed and the composition of power line spread spectrum communication is described. based on the spread spectrum technique, a method which is low cost, high communications quality and low bit error for power line carrier communication using single - chip software programming is proposed

    利用擴頻通信原理，分析擴頻通信的抗干擾特性，在此基礎上，闡述了電力線載波通信系統的基本結構，提出了一種利用軟體編程實現電力線載波擴頻通信的方法。該方法不增加硬體成本，即能達到提高通信質量、降低誤碼率的目的。
  6. For example, carrier frequency offsets, which are caused by the inherent instabilities of the transmitter and receiver carrier frequency oscillators, can lead to severe system degradation due to inter - carrier interference ( ici ). symbol timing synchronization must also be achieved in order to avoid inter - symbol interference ( isi )

    其載波頻率誤差會引入子通道之間的干擾（ ici ） ，而幀同步的誤差會引入符號間干擾（ isi ） ，同時還會對通道估計帶來嚴重的影響。
  7. By means of fs - ir absorption spectra, combined quality of c60 and carrier material and existence conformation of c60 are analysesed ; the principle that c60 influence thermo - optic effect of pmma is discussed by result of thermo - optic effect experiment. nonlocalized interference theory is deduced from nonlocalized interference definition, and the experiment of nonlocalized interference influenced by thermo - optic effect of c60 doped polymer film is performed. the research show that c60 doped pmma is physical blend, do not influence their form

    實驗中採用pmma （聚甲基丙烯酸甲酯）作為摻雜載體材料，通過傅立葉紅外光譜技術，對c _ （ 60 ）與摻雜材料的結合性能及其存在形態進行了分析；由熱光特性實驗結果探討了c _ （ 60 ）對有機材料pmma熱折變影響的機理；根據不定位干涉定義對其進行了理論推導，並做了摻c _ （ 60 ）有機薄膜熱光特性對不定位干涉作用的實驗。
  8. Deliberate interference of a transmission on one carrier by transmission on another approximately equal carrier, with wobble or noise modulation

    用波動或噪聲調制另一個近似相等的載波傳輸，人為地干擾一個載波的傳輸。
  9. In this paper, the design and implementation of the carrier synchronization technology in the integrated anti - interference data transmission system have been investigated

    本文對綜合抗干擾數據傳輸系統的載波同步及實現進行了研究。
  10. Iterative inter - carrier interference cancellation in ofdm systems

    正交頻分復用子載波間干擾抵消的迭代演算法
  11. Carrier - to - interference ratio c i

    載波干擾比，載干比
  12. Nonlocalized interference influenced by thermo - optic effect of c60 doped polymer film is invested in this paper. pmma is adopted as a carrier material in the experiment

    本工作是研究摻c _ （ 60 ）有機聚合物熱光特性對不定位干涉的作用。
  13. The content of this theme is as follows : without time, without open, without stopping railway transport, and without interrupting traction current of block tested, meanwhile track circuit parameters in electrical and no electrical blocks is measured of on - line, dynamic and real - time. these parameters include voltage of fsk signal, voltage of industrial and harmonic wave interference, upper frequency, lower frequency, carrier frequency and low frequency 18 messages frequency

    本課題研究內容：在不要點，不開天窗，不中斷行車，不中斷被測區段牽引電流的情況下，在線、動態、實時測量電化區段和非電化區段的移頻信號電壓、工頻干擾電壓，移頻信號（調頻信號）的上邊頻、下邊頻、載波頻率、以及低頻18信息頻率等參數。
  14. 2 the electromagnetic compatibility ( emc ) of the new radio induction system is analyzed, this paper studies the affections for the new radio induction system excited by the conductive interference and radiated interference, this paper also studies the affection to the out - space environment excited by the new radio induction system. 3 this paper studies the applications in analog carrier communication for the new radio induction system from the mod - d

    2研究了新型無線感應系統的電磁兼容性，分析了傳導干擾對新型無線感應系統的影響，分析了輻射干擾對新型無線感應系統的影響；分析了新西南交通大學博士研究生學位論文第11頁? ? 3主要從調幅（ am 、 dsb 、 ssb ） 、窄帶調相（ nbpm ） 、窄帶調頻（ nbfm ）等調制解調中研究了新型無線感應系統在模擬載波通信中的應用並進行了模擬，研究了上述調制解調相應的解調增益。
  15. Carrier interference ratio c i

    載波干擾比
  16. Carrier interference is often caused by careless installation or malfunction of uplink devices

    上行設備在建站時的疏漏和運行中的故障都是載波干擾的常見原因。
  17. An inter - carrier interference cancellation method based on data conjugate mapping

    基於數據共軛映射的載波間無擾消除方法
  18. When a synchronization error exists, the orthogonality between sub - carriers ca n ' t be maintained, serious inter - carrier interference is introduced and demodulation performance will be degraded greatly

    當存在同步錯誤時，子載波之間的正交性遭到破壞，從而引起嚴重的載波間干擾，使解調性能大大下降。
  19. That is by inserting known symbols or pilots in time and frequency domain to estimate the channel frequency response. the proposed method employs iterative low - pass filtering in transform domain which can reduce additive white gaussian noise and inter - carrier interference effectively

    該估計演算法採用在變換域多次迭代濾波的方式，能夠顯著降低高斯噪聲和載波間干擾（ ici ）對估計性能的影響，同時快速fft演算法也使得變換域濾波變得比較簡便。
  20. Firstly, in wireless environment, receiver has no know the time delay between transmitter and itself. in ofdm system, ofdm data is transmitted as one symbol, so in order for correct demodulation, the correct start of symbol should be got from ofdm system to reduce the effect of isi. secondly, the high frequency utilization in ofdm is based on the orthogonal properties of sub carriers. if frequency offset is generated, the orthogonal properties among sub carriers will lost, that will cause inter carrier interference ( ici ) and high ber of system

    Ofdm技術也存在著一些缺陷，首先，在無線環境中傳輸的ofdm信號對定時要求高，為了減少碼間串擾（ isi ）影響，必須從接收信號中提取出正確的符號起始位;其次， ofdm系統對頻率偏移敏感， ofdm技術的高頻譜利用率和傳輸可靠性均以子載波的正交性為基礎，如果接收機和發射機之間發生頻率偏移，子載波之間就會失去正交性，導致嚴重的子載波間干擾（ ici ） ，降低系統性能。
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