ber 中文意思是什麼

ber 解釋
柏林
  1. Aiming at that spread sequence isn ’ t strict balanceable in the basic seds system, we set up three improved models, which can make the sequence balanceable. at the same time their ber performances are different

    本文針對基本自編碼直擴系統的擴頻序列無嚴格的0 / 1平衡特性，建立了三種都能達到擴頻序列平衡、但系統誤碼性能不同的改進模型。
  2. The effect of the barrage jamming is studied from the point of view of ber

    從誤碼率的角度分析了壓制干擾對gps接收機的影響。
  3. According to the lms criterion, steps for calculation implement is proposed., and simulations on convergency and ber properties blind algorithm has been done. in addition, as a introduction of blind algorithm, subspace decomposition, minimum output energy ( moe )

    針對該檢測器，將最小均方演算法（ lms ）應用於該檢測器，給出了演算法實現的計算步驟，模擬了演算法收斂特性及課碼性能，分析了自適應能力。
  4. Erfahrungen ber den industrietourismus in deutschland

    德國工業旅遊的發展及其借鑒意義
  5. Der inhalt dieses faches ist die vermittlung von grundkenntnissen ber computer und die bedienung von dos und windows

    這門課的內容是計算機的基礎知識介紹和dos ， windows的基本操作。
  6. When at home in paris, he lives with his ber - cat stig elmer

    在巴黎的家中，他與一隻名叫stig elmer的貓生活在一起。
  7. Richard wilhelm 252 ; ber die chinesische kultur

    衛禮賢論中國文化
  8. Richard wilhelm ber die chinesische kultur

    衛禮賢論中國文化
  9. Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend

    最後本文對數字混沌序列進行了優選，在超短波中繼通道模型上的模擬結果表明混沌直擴通信相比于非擴頻的bpsk通信在誤碼率方面明顯較低；相對于線性擴頻碼（ gold序列） ，同樣誤碼率較低。
  10. In order to combine the study of the ds - ss communication system ’ s availably jamming, the whole ds - ss communication system is modeled and simulated, including the modulation of the ds - ss signal, channel transmission, synchronal demodulation of signal and statistic of the bit error rate ( ber )

    為結合直擴通信系統的有效干擾研究工作，建立了直擴系統從信號的調制產生，通道傳輸、信號同步解擴解調和誤碼率統計的全過程模擬系統。
  11. Some features of this chip are listed below : firstly, it opts for ir data transmit technology, so it have the advantages of little emi, simple operation, low cost, etc. secondly, the synchrony method makes it have good noise suppression and ber quality

    該「紅外名片交換專用晶元」能獨立完成名片交換和管理的任務，具有顯著優點： 1採用紅外數據通信的方式，具有技術方案成熟，交換方法簡單，保密性好，相互電磁干擾小，成本低、簡單易用等優點。
  12. Wir m ssen gegen ber rechten abweichungen wachsam sein, aber vor allem " " linke " " abweichungen verhindern

    警惕右，但主要是防止「左」
  13. Das gesetz ber die studentenwerke wurde verffentlicht in der fassung der bekanntmachung vom 04. 01. 1994 im gesetz - und verordnungsblatt fuer das land nordrhein - westfalen - nr. 7 vom 11. februar 1994

    1994年2月11日大學生服務中心法在北威州法律規定書7號被公開1994年1月4日的版本。
  14. Adaptive ofdm ; minimum average ber ; adaptive algorithm

    自適應ofdm最小平均誤碼率自適應預處理演算法
  15. The improved algorithm is combined with normalized least - mean - square ( nlms ) alg orithm. computer simulations are presented detailedly to show the algorithm exhibits excellent convergence, tracking capability, as well as lower ber

    改進演算法結合了歸一化最小均方（ nlms ）演算法，模擬結果表明改進演算法具有良好的收斂性、跟蹤性能及較低的誤碼率。
  16. The protocol specifies the definition of inter - library loan service working on c / s mode. by means of 21 apdu messages defined in this protocol and standard encode / decode rule, we can realize the resource sharing between different libraries. this article advances a set of solution scheme for the implementation of inter - library loan on the internet environment, and gives some discussion about the key elements for the implementation which includes the process of apdu, the computer descriptions of asn. l syntax, the ber coding rules and the design for supporting db etc. the exact method and program for implementation of inter - library loan are also presented in the article

    本文在詳細分析和研究館際互借協議內容和工作原理基礎上，根據我國圖書館目前的實際情況，給出了在internet環境下實現館際互借服務的解決方案，論述了基於windows2000操作系統下開發館際互借軟體的具體思路，討論了實現該協議的一些關鍵問題，包括apdu的處理， asn . 1抽象語法表示、 ber編碼規則、數據庫設計等，並給出了具體的解決方法和實現程序。
  17. The nonlinear filtering for nbi estimate - subtract assumes that the prediction error is dominated by spread spectrum signal and the background noise power is far below spread spectrum chip power, this assumption promises the low error ratio of chip decision but may not be attainable to digitalized dsss receiver in military communication environment, and does not coincide with the principle of dsss communication that decreases bit error ratio ( ber ) depending on spread spectrum gain, not on chip power

    在干擾估計抵消濾波中，以往的非線性濾波要求干擾抵消濾波后擴頻信號功率遠大於殘余噪聲功率，進而假設碼片判決的誤碼片率基本為零，這一要求對軍用擴頻通信是不利的，而且也不符合擴頻通信利用擴頻增益降低誤碼率的原則。
  18. So i cal i her, and she ' s changed her num ber

    於是我給她打電話她竟然換了號碼
  19. Another advantage, contrast to using convolutional codes or turbo codes, is its low complexity while maintain high ber performance because the check equations are used to terminate the both iterations. we develop the theoretical error free feedback bound for bpcm - id and predict the threshold for decder convergence using the extrinsic information ransfer chart ( exit )

    利用非正則ldpc具有不同度的信息節點概率密度演化的差異，對高階星座中具有較高級別的子通道提供額外的保護，可使迭代反饋判決時，星座子集擁有最大的無錯反饋歐氏距離調和均值，從而改善系統的迭代收斂特性。
  20. 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。
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