移頻編碼 的英文怎麼說

中文拼音 [yíbīnbiānmǎ]
移頻編碼 英文
frequency shift coding
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. Bcfsk binary code frequency shift keying

    二進制編碼頻率移位鍵控法
  2. At the same time, the author studied the mpeg - 4 video codec algorithm, transplanted the mpeg - 4 video decoder to the blackfin processor and did lots of optimization work

    同時研究了mpeg - 4視頻編解碼演算法，將基於mpeg - 4的視頻解碼器移植到blackfin處理器上並進行了大量的優化工作。
  3. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system, and so on

    Reed - solomon （簡稱rs碼）是一種具有很強的糾正突發和隨機錯誤的通道編碼方式，在深空通信、移動通信、磁盤陣列以及數字視頻廣播（ dvb ）等系統中具有廣泛的應用。
  4. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system ( dvb ), and so on

    Reed - solomon碼（簡稱rs碼）是一種具有很強糾正突發和隨機錯誤能力的通道編碼方式，在深空通信、移動通信、磁盤陣列以及數字視頻廣播（ dvb ）等系統中具有廣泛的應用。
  5. En iso eic 13818 - 1 information technology. generic coding of moving pictures and associated audio information. part 1 : systems

    信息技術.移動圖像和相關音頻信息的一般編碼.第1部分:系統
  6. In this dissertation, the researches on the application of cdma in fiber - optic communication systems have been reviewed, and several key techniques in the application are proposed with theoretical analysis. in traditional researches and applications of the hfc cdma communication system, the gold sequence was used as the users " address code. in this paper, we analyze the characteristics of the m sequence in detail

    本文突破了以往在hfc系統中使用cdma擴頻技術通信時，通常都採用gold序列來作為地址碼的慣例，分析和提出了在hfc的特定環境中，使用同一m序列在某時刻具有的不同相移序列，來構成一個小區的地址編碼，能夠達到多用戶通信時比使用gold序列進行通信具有更好的相關特性。
  7. It can directly control and drive the stepmotor and dc servomotor, and it can control the ac servomotor by controlling the ac transducer, and it also has the function of detecting the feedback position signal of photoelectric coder and induction phase shifter

    它能直接控制和驅動步進電機和直流伺服電機，並可通過控制交流變頻器對交流伺服電機進行控制，而且具有光電編碼器和感應移相器位置反饋信號檢測功能。
  8. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  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. Second, research and analyze the feature of signal of pulse compression radar, and discuss the principle and characteristic of pulse compression technique, that are linear frequency modulation and phase coding. the above two mathematic model is constructed, and shift - frequency noise is imposed on the models, and anti - nose ability is evaluated and simulated

    通過對脈沖壓縮雷達的信號特徵的研究和分析，通過研究線性調頻和相位編碼脈沖壓縮技術的原理和特點，建立了這兩種雷達的數學模型，並對此進行移頻干擾和相位編碼雷達干擾，並進行干擾性能的評估和模擬研究。
  11. Information technology - coding of moving pictures and associated audio for digital storage media at up to about 1, 5 mbit s - video

    信息技術. 1 . 5mbit s以內數字存儲介質用移動圖像和相關音頻編碼.視頻
  12. Information technology - coding of moving pictures and associated audio for digital storage media at up to about 1, 5 mbit s - audio

    信息技術. 1 . 5mbit s以內數字存儲介質用移動圖像和相關音頻編碼.音頻
  13. Information technology - coding of moving pictures and associated audio for digital storage media at up to about 1, 5 mbit s - systems

    信息技術. 1 . 5mbit s以內數字存儲介質用移動圖形和相關音頻編碼.系統
  14. Information technology - coding of moving pictures and associated audio for digital storage media at up to about 1. 5 mbit s - part 1 : systems

    信息技術. 1 . 5mbit s及以下的數字存儲介質用移動圖像和相關音頻編碼.第1部分:系統
  15. Information technology - coding of moving pictures and associated audio for digital storage media at up to about 1, 5 mbit s - compliance testing

    信息技術. 1 . 5mbit s以內數字存儲介質用移動圖像和相關音頻的編碼.第4部分:性能審核試驗
  16. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  17. Information technology. generic of moving coding pictures associated audio information. part 3 : audio

    信息技術.與移動編碼圖像相關的音頻信息的類屬.第3部分:音頻
  18. Avs - m ( mobile video ) is the seventh part of avs which is put forward by our country independently

    Avs - m是我國自主提出的音視頻編解碼標準avs的第七部分:移動視頻。
  19. The video phone system designed by us is mainly the real - time implement of a - v codec the implement of h. 323 protocol stack and the implement of the network communication protocol for example pppoe smtp and pop3 etc. so we not only ensure that the qos of the a - v codec ' s datum, but also develop the increment services for example e - mail system and browser etc. the paper will emphasis on the graft and realization of the internet protocols h. 263 video codec rate control algorithms for video encoder and optimization methods of the codec based on tm1300. h. 323 sip, h. 264 and psos + are also simply introduced

    本文主要針對作者在實現ip可視電話系統中所從事的研究工作而展開的，將重點放在ip可視電話系統中tcp ip協議棧在psos +上的移植、網路通信協議如pppoe 、 ppp 、 smtp 、 imap 、 pop3 、 dns 、 dhcp等協議的實現、 h . 263視頻編碼及其碼率控制演算法研究、視頻編碼中基於程序結構和7m1300dsp專用指令的優化方法，同時初步介紹h . 323 、 sip 、 h . 264及嵌入式系統中的實時操作系統（ rtos ） psos + 。
  20. Information technology - generic coding of moving pictures and associated audio information - part 4 : conformance testing - amendment 1 : advanced audio coding conformance testing

    信息技術.移動畫面和有關音頻信息通用編碼.第4部分:一致性試驗.修改件1 :高級音頻編碼一致性試驗
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