接收端信號 的英文怎麼說

中文拼音 [jiēshōuduānxìnháo]
接收端信號 英文
receiving end signal
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
  • : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
  1. ( c ) propose the scheme to implementing the coder and deoder of optical time - spreading / frequency - hopping, by assigning two orthogonal codes for one user and using these two codes to encoding 1 and 0 respectively, differential detection can be adopted. not only improves system performances in ber, but also resists the interference such as mai, and does n ' t need any control devices to evaluate the optimum decisive threshold

    通過給每個用戶指定互相關為0的兩個地址碼分別發送1和0以及在採用差分檢測技術,避免了ook (開關鍵控)光通系統中0不發送光脈沖和ook常規檢測方式下最佳判決門限必須根椐用戶數等外界環境而改變,從而提高了系統性能和降低了系統的復雜度。
  2. The gaussian approximation method used in single traffic cdma system is introduced, at the same time the improved gaussian method also discussed for greater accuracy, when the active user load is small. however, the improved gaussian method needs more complicated calculations

    研究gsc的結構以及其輸入的統計分佈,為我們後面研究多速率擴頻系統分集合併的gsc機作一些必要的數學準備。
  3. The use of balanced transmission lines can help but if the signal bandwidth extends to dc there will be a need for a very high performance instrumentation amplifier at the receiving end to restore a ground referenced signal

    採用平衡傳輸線有助於改善完整性,但是對于帶寬延伸到dc的要靠超高性能的儀表放大器來還原參考電平。
  4. The signal power perturbation on receivers caused by air target as well as the receiver ' s position information are used to extract the exact location of the target

    廣播、電視被空中的飛行器擾動以後,在形成功率的波動。
  5. To construct and analysis the ttd demo module, the mems devices substitute for the former electric devices, then succeed to obtain the rf mems front - end r / t system which can communicate with each other

    最後,用mems器件代替傳統電子器件,成功建立1 . 88ghzpcb級rfmems前/發模塊,達到了合理的發射功率和靈敏度,成功
  6. In telephony, an interference due to reflection of the transmitted signal from the receiving end

    在電話技術中,由於發送反射回來而引起的干擾。
  7. The system is based on a ' subaudible ' tone injected after the audio stages into the transmitter during encode and the tone is detected before the audio circuits in the receiver

    這套技術的基本原理如下,進行編碼(調制)的時候,一個「亞音」音頻被注入聲音,並在的音頻電路前檢測這個音頻解碼。
  8. This dissertation tracks the most recent direction of mimo - ofdm systems studies and makes a thorough research on the key technique and algorithms of the transmitter signal design as well as detection algorithms at the receiver

    本文就目前mimo - ofdm系統的研究熱點:發射方案設計和接收端信號檢測中的關鍵技術和演算法進行了深入的研究。
  9. The key technique of telemetry digital diversity receiver is diversity technique, which combines independent multi - path signal or extremely irrelevant multi - path signal at less, and improves instant snr and average snr in receiver and enhances communication quality. there are many irrelevant multi - path signal in wireless

    遙測數字分集機一個重要關鍵是分集技術,分集技術是對獨立的或至少是高度不相關的多徑進行相加,從而改善接收端信號的瞬時噪比和平均噪比,提高通質量。
  10. Qpsk modulation for digital television using advanced digital signal processing technology, full compliance with dvb - s standard, the receiving end can be directly used for receiving digital satellite receiver. it must not only be able to achieve a higher utilization of the spectrum, with a strong anti - jamming and high performance. fm microwave equipment and simulation and will be good compatibility

    Qpsk數字電視調制器採用了先進的數字處理技術,完全符合dvb - s標準,可直用數字衛星機進行。它不但能取得較高的頻譜利用率,具有很強的抗干擾性和較高的性能價格比,而且和模擬fm微波設備也能很好的兼容。
  11. The input video is sampled at the transmitter of the sub - system, and code stream is sent to channel after compression. at the receiver, output video is reconstructed after decompression

    在發送對輸入的視頻進行數字採集、壓縮,壓縮后的數據流經通道傳輸至解壓縮,輸出顯示。
  12. In transmission system, the original signal is modulated to ofdm signal after be coded in dpsk. and in receiving system, the modulated ofdm signal is synchronized and demodulated

    在發射,將以一定速率輸入的二進制息在進行dpsk編碼后調制到基帶ofdm上,在,對已調制的ofdm進行同步和解調。
  13. Secondly, we simulate the transmission process in computer, calculate the optical - signal - to - noise - ratio ( osnr ) of output signal with the same input signal filtered by the ofbg, matched filter and f - p filter, analyze the improvement of the osnr after filtered by them. we find it also has advantage over f - p filter. taking the two reasons into account, we believe that the weak ofbg is superior to the widely used f - p filter

    另外用計算機模擬計算了光噪比的改善情況,研究發現:一個相同的噪聲經弱ofbg后的光噪比較經過f - p濾波器后的光噪比高,由此認為, ofbg用作光濾波器對前置光放大器的噪聲進行濾波,比常用f - p光濾波器具有更大的優越性。
  14. Because the distances from different onus to olt are different, the amplitudes and phases of the different signals will have significant difference when receiving the receive terminal

    由於不同的光網路單元onu與光線路終olt的距離不同,實際工作時到達的幅度,相位都相差很大。
  15. In the part of platform designing, proper peripheral chips are chosen according to the audio signal format. and how to achieve channel synchronization in the receiving part is an important aspect of wireless transmission system. in order to solve this problem, three algorithms are used ; those are scramble / descramble, improved over - sampling, and frame synchronization protocol

    在硬體驗證平臺的設計部分,文章根據音頻的特點選擇了適當的外圍晶元,並且針對無線傳輸的同步問題,採用了三種演算法來減少失步現象,即擾碼/解擾演算法,改進型的過采樣演算法,以及幀同步協議。
  16. 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

    同步是任何數字通系統有序工作的「指揮棒」 ,本研究採用5重時頻分集的方法,使得在能夠可靠地恢復出系統工作所需要的同步
  17. At the beginning, this paper has some brief dissertation on the basic principle of the dsl and the multimedia data compression, the key technique of sdsl, the transport protocols, and the data transfer system structure based on the twisted - pair. then it gives an analysis of the point - to - point data link protocol ( ppp ) and the real - time transmission protocol in detail, which provide the side - to - side transmission service for audio frequency and video frequency data, and so on based on the these, we developed a multimedia sdsl modem system used to transfer data and phonetic

    本文首先對dsl系統和多媒體數據壓縮技術的基本原理、 sdsl的關鍵技術、傳輸協議以及基於雙絞線的數據傳輸系統的結構進行了簡要的論述,並詳細分析了點到點的數據鏈路協議( ppp協議)以及實時傳輸協議,其為音頻、視頻等實時數據提供的傳送服務。可以向傳送恢復實時必需的定時和順序息,並向發雙方和網路運營者提供qos監測手段。
  18. It can realize the circuitry ' s primary protection as well. by using it ' s high - frequency transmitter together with respective peripheral process equipments, programmable testing signals are added to the transmission channel

    該裝置通過高頻發訊機與相應外圍加工設備合成並傳送發測試,于訊機並分析傳輸通道故障息。
  19. Assigning serial different address code to different subscribers, useful signal is taken out of the same time slot and frequence, and is transmitted with one share channel. at received end, system makes use of completed address code from sending end to do correlative check and take out useful subscriber signal. the other address code signals are treated as broadband disturbing signal which is removed. in radio environment of existing variable disturbtion and muti - way declining, expand frequence signal ’ s broadband characteristics can improve system performance obviously. cdma mobile telecommunication system has some better characteristics, such as anti - disturbing 、 anti - way declining 、 secrecy 、 capacity 、 utilizing rate of frequence resource and so on, than other mobile telecommunication system

    Cdma ( codedivisionmultipleaccess )移動通系統的技術基礎是基於擴頻技術的碼分多址,通過給不同的用戶分配各自特定的地址碼序列,將處于相同時隙和頻率的用戶分離開來,採用共享通道方式傳輸息。在,系統利用與發送完全一致的本地地址碼對進行相關檢測,提取需要的用戶,而將其他使用不同碼型的視為寬帶干擾而從中剔除掉。
  20. This novel transmit diversity technique, which combines channel coding, modulation and signal processing at receive terminal, can make full use of the fading multi - path in the wireless communication systems so as to mitigate the signal attenuation. this technique is mainly designed to combat channel fading in downlink transmission by combining the technique of channel coding and that of array diversity, hence increasing the capacity of wireless communications systems and giving diversity gain and coding gain to them

    基於多輸入輸出( mimo )的空時編碼技術是實現未來帶寬資源日益緊張的高速無線數據通系統的重要技術,它結合了通道編碼、調制和處理,能夠充分利用無線通通道中多散射體環境所造成的多徑,從而提供的抗衰落性能。
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