interference detector 中文意思是什麼

interference detector 解釋
干擾檢測儀
  • 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。
  • detector : n. 1. 發覺者。2. 偵查器。3. 【化學】檢定器。4. 【電學】檢電器。5. 【電訊】檢波器,指示器。
  1. The apparatus uses 880, 950nm nir led as light source, interference filter as homochromy device, si photronic as detector. digital signal comes from ad transformation, processed by microprocessor system

    以880 、 950nm的近紅外led為光源, 14個窄帶干涉濾光片為單色器,以硅光電池為檢測器,經ad轉換得到數字信號,送單片機處理。
  2. 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。
  3. Antijamming methods of counter - infrared - interference - missile by using cross - shaped detector array

    四元正交探測器抗紅外干擾彈干擾方法綜述
  4. To overcome these shortcomes, a interference - space - based blind adaptive mmse linear detector and the corresponding tracking algorithm based interference correlation matrix is proposed

    為此,本論文提出基於干擾空間線性mmse盲自適應多用戶檢測器及其相應的基於干擾自相關矩陣c _ 1跟蹤演算法。
  5. In this paper, a new interference - space - based blind adaptive mmse linear detector and the corresponding tracking algorithm based interference correlation matrix is proposed for mai in cdma wireless celluar communication system. analysis and simulation illustrate that the proposed blind multiuser detector has lower computational complexity, faster convergence and stronger robust with respect to imprecise knowledge of the received signature waveform of user of interest

    圍繞著cdma無線蜂窩移動通信系統中的多址干擾( mai )抵消問題,本論文在現有盲自適應多用戶檢測技術基礎上,提出了一種新的基於干擾空間線性mmse盲自適應多用戶檢測器及其相應的基於干擾自相關矩陣c _ 1跟蹤演算法。
  6. Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method

    傳統檢測器(單用戶匹配濾波)利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中,通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應,使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機,有效控制接收信號的能量,從而極大地提高了接收機的抗遠近性能,同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性
  7. Abstract : the principle of water leakage detector is described. the hardware circuit and software diagram are mainly introduced. the measures on improving precision, reliability and anti - interference ability are presented

    文摘:介紹了漏水檢測儀的設計原理,著重介紹了硬體電路設計及程序框圖。講述了該儀器在提高精度和可靠性以及增強抗干擾能力上所採取的措施。
  8. In the fourth chapter, we presented the mmse soft interference cancellation detector as the signal detector, and proposed an effective transmit power allocation scheme to improve the performance of mimo - ofdm system. if ldpc channel coding is applied, we can find the performance can be improved about 1db when ber is 10 - 6

    通過採用預編碼的技術能夠極大地簡化接收機的復雜度,因此在第五章中首先介紹了預編碼技術在無線多用戶mimo系統中的應用,並著重討論了當前引起廣泛關注的thp預編碼技術。
  9. Multiuser detector ( mud ) makes full use of the information of all the users that cause multiple access interference ( mai ) to detect the desired user. therefore, as compared with the conventional detector, it has better resistance capability to the mai and the so - called near - far problem. since the multi - user detector reduces the precision requirement of the power control, it can provide higher efficiency for frequency use, and thus improves the capacity of the communication system

    多用戶檢測技術在傳統檢測技術的基礎上,充分利用造成mai干擾的所有用戶信號信息對單個用戶的信號進行檢測,從而具有優良的抗干擾性能,解決了遠近效應問題,降低了系統對功率控制精度的要求,因而可以更加有效的利用頻譜資源,顯著提高系統容量。
  10. This detector keeps the global convergence of the moe detector and has an ideal stable state output signal - interference rate

    這種檢測器既保持了moe檢測器全局收斂的特性,又具有理想的穩態輸出sir 。
  11. Whereby the saturation caused by strong background light and the interference caused by background light in the pin receiving are solved, and a new method of compensation for bias voltage of some apd detector is put forward. the method of single - chip fuzzy control makes the compensation to be real time and intelligent

    據此解決了pin光電接收的抗強背景光飽和與抗背景光干擾的問題;用單片機模糊控制技術實現了某apd光電探測器偏壓補償的實時化和智能化。
  12. Multi - user detector ( mud ) is one of the key techniques for these problems in cdma systems, which deals with multiple access interference as useful information and eliminates it by utilizing correlation characteristics between signature waves. mud techniques can dramatically relax " near - far " effects, significantly improve the system ' s performance and increase the capacity of cdma systems

    它將信號中的多址干擾看作一種有用信息,利用擴頻序列之間的互相關性來消除多址干擾,能減輕「遠-近」效應影響,改善系統的性能,提高系統的容量。
  13. Describing the condition of the interference, the visibility of the grain and the influence factors had also been carried out. secondly, we discussed the theory of the michelson fiber optical sensor. giving the way to realize the light system including the circuit design of the laser and light detector, showing how to organize the whole measurement system, the way of polished the end face of optic fiber and how to improve the quality of signal

    其次從理論上分析了光的干涉原理,闡述了兩束光發生干涉的條件、干涉條紋的可見度以及影響因素等,並且給出了光纖邁克爾遜干涉系統的原理圖,敘述了發生邁克爾遜干涉的條件和組成邁克爾遜干涉系統的必要因素。
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