interference receiver 中文意思是什麼

interference receiver 解釋
干擾接收機
  • 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。
  • receiver : n 1 接受者。2 收稅人,收稅官。3 招待人。4 窩家,收買賊贓的人。5 應戰者。6 【法律】破產案產業管理...
  1. The multi - beam receiver is also uniquely suited for resolving one of the nagging problems of modern radio - telescopy : screening out radio frequency interference ( rfi )

    多波束接收器也是唯一適合解決現代射電望遠鏡的一個通病:濾掉電波干擾。
  2. By using ofdm technology, we can redu ce the baud rate with a high frequency spectrum utility factor. another advantage of this technology is that the transmission can combat the intersymbol interference ( isi ) at the receiver without complex adaptive equalizer

    Ofdm既有較高的頻譜利用率,也有效地降低了碼速率,在不使用復雜的通道均衡技術的條件下仍然可以較好地克服接收時由多徑效應帶來的碼間串擾( isi ) 。
  3. Interference. gps signals are received by the antenna, amplified within the antenna assembly, and then relayed via cable to the oncore receiver module for processing

    這種天線的設計反映了motorola對高標追的追求,即使再有電磁干擾的情況下操作, gps信號通過天線接收,在天線內置放大通過線纜傳輸到oncore接收器上進行數據處理。
  4. The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively

    建立了jtids的收發終端的數學模型,分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能,提出較佳的干擾方法和干擾碼型,並進行模擬模擬;分析了gps的信號格式,建立了gps的原理框圖模型、信號數學模型,並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較,提出相對較佳的干擾方法,並做了計算機模擬,針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析;建立了link11和link4a數據鏈調制解調數學模型,對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析,最後對干擾情況進行了模擬模擬。
  5. A novel communication receiver which uses lapped transform ( lt ) incorporating modified median filter ( mmf ) algorithm is designed for narrow - band interference excision. the lt domain mmf algorithm takes full advantages of the direct sequence spread spectrum signal, as well as the characteristics of lt, performing the transform domain filtering twice. the first filtering locates the position of interference and mitigates most of them. the second filtering is performed in a small neighborhood of the located interference. so lt domain mmf algorithm can completely mitigate the interference without distorting the desired signal. simulation results demonstrate the improved ber performance and increased robustness of our receiver

    本文採用改進的重疊變換域中值濾波演算法進行變換域抗干擾處理.該演算法既考慮到直接序列擴頻信號的特點,同時又利用重疊變換的特性對變換域系數進行了二次濾波.該演算法節省處理時間,並且不需要有關干擾的先驗知識,系統性能不會隨干擾頻率變化而變化,因而是一種很穩健的處理方法
  6. Traditional multiuser detector make good use of all signals which resuilt in multiple access interference so that it provides optimum mai resistance. ( 1 ) nevertheless, it assumes that the receiver can acquire the signature waveform and timing of desired user and the interfering users ; ( 2 ) it has no ability to suppress intercell multiple access interference ; ( 3 ) it cannot be applied in downlink channels. adaptive multiuser detector eliminates the need to know the signature waveforms and the timing of the interferes and has to need training data sequences for every active user

    傳統多用戶檢測在單用戶檢測技術基礎上,充分利用造成多址干擾的所有用戶的信息進行聯合檢測,從而具有良好的抗多址干擾能力,但存在一些缺陷: ( 1 )不僅要求知道期望用戶的地址pn碼及其定時信息,還要求其他干擾用戶的地址pn碼及其定時信息; ( 2 )不能消除其他相鄰小區的多址干擾對本小區的影響; ( 3 )不能直接應用在cdma移動通信系統中的下行鏈路。
  7. Direct sequence - code divition multiple access ( ds - cdma ) technology is achieved easily and used widely at present its receiver capability is confined by two factors, one of which is the multiple access interference ( mai ) which makes the capacity low, another of which is the near - far problem

    直接序列擴頻-碼分多址( ds - cdma )技術是最易實現、也是目前應用最廣的一種方式,它的接收性能受到兩個主要的限制:一個是多址干擾造成的性能下降;另一個則是遠近效應問題。
  8. 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。
  9. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上,討論了幾種採用典型調制技術的短波數傳系統(如時頻調制、多進制頻移鍵控慢跳頻、 chess系統)原理、優缺點以及抗衰落和抗符號間干擾的性能;分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術;在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制,給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案,並通過計算機模擬進行了初部驗證。
  10. In the future it may be possible to have such bandpass sigma - delta adcs with userprogrammable digital filter coefficients, so that the passband of a receiver could be modified during operation in response to the characteristics of the signal ( and the interference

    未來可能會出現用戶可編程數字濾波系數的帶通- adc ,這樣接收機的通頻帶就可以隨著所接收的信號的特性而改變。
  11. Section 4 researches on pilot symbol aided space - time 2d rake receiver in rayleigh fading channel. two kinds of 2d - rake receivers are proposed, one is the interference zeros force 2d - rake receiver ( zf - 2drake ). simulation results reveal zf - 2drake has the better performance than the conventional 2d - rake receiver

    研究了rayleigh通道下2種導頻輔助的空時2d - rake接收機結構:干擾置零2d - rake接收機( zf - 2drake )和基於空時通道估計的時空級聯2d - rake接收機( spce - 2drake ) ,推導了它們的誤碼率性能。
  12. Combined equalization block iterative soft decision feedback interference cancellation receiver

    數字并行接收機在時變通道下的通道估計與均衡方法
  13. Interference from another radio is far more dangerous than other random interferences because it can not be filtered out by the on - board receiver

    來自另外一臺遙控器的干擾比其它的隨機干擾信號要危險得多,因為機上的接收機無法將其濾除。
  14. Thirdly, the dissertation presents an anti - interference technology of adaptive array for non - spread spectrum signal using a pilot signal, by which a non - spread spectrum system can use the decoupled 2 - d rake receiver and the original non - spread spectrum system need not be modified

    第三,提出了採用擴頻信號作為導引信號的非擴頻信號自適應陣列天線抗干擾方法。該方法使得非擴頻系統可以採用解耦合空時2 - drake接收機,而且不改變原非擴頻系統。
  15. We also proposed a new call admission control ( cac ) scheme for cdma cellular system that incorporates adaptive power control and mmse multiuser receiver and support multi - class traffic. the call admission control scheme is based on estimation of othercell interference and implemented distributively in each cell. capacity determined by the admission control agrees with the actual system capacity in the simulation. the scheme can achieve high bandwidth utilization and guarantee qos requirements of all the users at the call level

    為此,提出了呼叫確認策略,以保證系統中不同業務的所有用戶的qos 。呼叫控制策略在每一小區分佈地進行,通過估計其它小區的干擾確定小區的可用有效帶寬,再根據小區當前的負載決定是否對呼叫請求給予確認。呼叫確認控制可以在呼叫級保證用戶的qos 。
  16. Simulation results demonstrate that at isr ( interference - to - signal ratio ) = 50db, the performance of the proposed receiver is almost the same as the receiver without interference

    計算機模擬表明,當干信比為50db時,採用該方法的誤碼率性能與無干擾時的誤碼率性能基本吻合。
  17. Simulation results over multiple - path rayleigh fading channel demonstrate that at isr = 25db the performance of the proposed receiver at the 6th iteration is almost the same as the receiver at 1st iteration without interference

    模擬結果表明,當干信比為25db時, 6次迭代后的誤碼率性能與無干擾時的誤碼率性能基本吻合;當干信比為10db 、誤碼率為10
  18. According to the ideology of software radio theory, the realization of intermediate frequency ( if ) digitalized direct sequence spread spectrum ( dsss ) receiver is one of the focuses in dsss communications study. it is of great value to deploy narrowband interference ( nbi ) suppression techniques in if digitalized dsss receiver for commercial and military applications

    根據中頻數字化這一軟體無線電思想實現擴頻接收機是目前擴頻通信研究的熱點,在中頻數字化擴頻接收機體系結構內研究窄帶干擾抑制技術具有重要的商業和軍事應用價值。
  19. Multi - tone interference suppression spread spectrum receiver in wavelet domain

    小波域抑制多音干擾的擴頻接收機
  20. Over multiple - path fading channel, a novel iterative single - tone interference suppression scheme is proposed for convolutionally coded system in the single - tone interference environment. the iterative receiver is based on the combination of iterative single carrier frequency domain equalization and interference rebuilding and cancellation

    該方法利用衰落通道下單音信號的頻域特性,對干擾信號進行重建及干擾抵消,同時,結合單載波頻域均衡迭代檢測技術,實現衰落通道中的聯合單音干擾抑制及信號檢測。
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