相碼調制器 的英文怎麼說

中文拼音 [xiāngmǎdiàozhìqì]
相碼調制器 英文
phase code modulator
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 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...
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  1. The manner of modulation, the spread spectrum codes, and the manner of the acquisition and tracking are discussed. barker codes, dpsk and match filter with the ability of rapid acquisition are concluded as the appropriate manner for cdma missile controlling and guiding

    對擴頻碼、調制解調方式、捕獲與跟蹤方式進行討論，得出barker碼、 dpsk 、匹配濾波器快速捕獲是適合便攜式反坦克導彈cdma無線制導的相應工作方式。
  2. Adopting the method of top - down, the virtual memory is divided into memory mange related unit ( segment unit and page unit ) and protection mode related unit ( protection test unit, debug test unit and exception detect unit ). data buses and control bused are designed separately for all of the units. vhdl codes are written and simulated

    Amex86的虛擬存儲器採用自頂向下的設計方法，把虛擬存儲器劃分為地址管理相關單元（又包括分段單元和分頁單元） 、保護模式相關單元（又包括保護測試單元、調試異常單元利異常檢測單元等） ，分別確立其數據通路和控制通路，完成了vhdl的編碼和模擬工作，通過測試程序模擬驗證了其功能的正確性並測定了基本性能。
  3. 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。
  4. The one - dimension effective fpk equation of colored noise serves as our starting point to evaluate the effect of noise color on communication system design. the theory of ber versus input snr per bit is developed and a new procedure to determine the system parameters that influence the minimum ber is proposed. it is shown that the communication system ' s performance is related to the turnable system parameters as well as the noise correlation time

    在指數相關高期色噪聲情況下，本文以一維有效色噪聲fpk方程作為研究的出發點，理論分析了限帶高斯色噪聲通道中脈沖幅值調制數字信號傳輸的誤碼性能，給出了非線性接收器的接收性能曲線，充分體現了噪聲相關時間的影響。
  5. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論；然後完成了包括數據格式，調制方式，糾錯碼方式，交織器和擾碼器等部分的中頻數據機通道設計；接著著重介紹了系統中使用的音頻壓縮演算法cvsd （連續可變斜率增量調制）的原理和實現，以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。
  6. Continuous single tune jamming is an effective jamming to linear frequency - modulated radar. however it can not suppress signal output after being full of the sidelobe suppress filter of the jammed bi - phase coded radar, no matter how great the power of it may be

    單頻正弦波干擾對線性調頻雷達是一種有效干擾，但對於二相編碼雷達無論具有多大的功率在充滿二相編碼雷達接收機的旁瓣抑制濾波器后也不能壓制信號主瓣，因此是一種無效干擾。
  7. The main subject including : the constructure of this mpeg2 encoder ; ~ the principle and the system of tv, also the determination of tv signal ? pcm parameter and the international standard of video pcm ; ? he protocol of pci and the driver of pci device ; the hardware & software design of some corresponding interfaces of mpeg2 encoder, allowing for the working condition, there is some discussing on programming of mater control ; debugging and testing

    主要內容包括： mpeg2編碼器的體系結構；電視原理、制式以及電視信號的pcm編碼參數的選擇和pcm編碼的國際標準； pci總線協議標準及pci設備驅動程序的編寫； mpeg2編碼器的相關介面的具體硬體設計和相應的軟體設計，結合具體情況，討論了主控編程；硬體調試。
  8. Secondly, we apply tk operator to the cross - correlation of received signal code and pn code to separate the multi - paths. it comes to a conclusion that tk operator can separate the multi - paths within less than the chip period accurately of spread - spectrum system with space - modulation by simulation. at last, we apply this algorithm to the practical signal collected by gps tap, and from the result we can drop a conclusion the tk algorithm is practical

    本文首先闡述了時空調制擴頻信號原理以及在多徑干擾下時空調制接收機的性能和teager - kaiser接收機的原理;接著對時空調制擴頻系統的解調信號與偽碼的互相關函數採用tk接收機進行多徑分離，模擬結果表明， tk接收機對時延在一個碼片內的時空調制擴頻通信多徑信號有很好的分離效果;最後用數據採集器對一個gps信號進行接收和多徑的估計，驗證了該演算法在實際的運用中對多徑的擴頻信號有很好的分離效果。
  9. And the specification of binoculars and digital camera are analyzed in - depth. on the base of analysis, the three key specifications are proposed. the three key specifications are : resolution, field of view matching and the mtf of image sensor

    為此，首先對數碼望遠鏡的原理和特點進行了深入分析，並對望遠鏡和數碼相機檢驗的各項指標進行了詳細比較，在此基礎上提出了適合於數碼望遠鏡性能檢驗的三個關鍵指標:解析度、視場匹配度和圖像傳感器的調制傳遞函數。
  10. The optimization of the codes are usually quoted for the autocorrelation sidelobes, namely, the outputs are the autocorrelation sidelobes of codes which are not moudulated by the signals

    通常的偽碼優選考慮編碼的周期自相關旁瓣，即無符號調制時編碼匹配濾波器的輸出旁瓣。
  11. However, in the part of the software, the schemes to programme coder and decoder are expatiated separately and the final flow charts are drawn after that. during the design of the coder, the selection of the information source and the modulation is discussed. according to the characteristic of the multi - phase modulation ml

    在軟體實現部分，分別詳述了編碼器和譯碼器的編程方案並給出了最終實現的流程圖:編碼器的設計中論述了信息源和調制方式的選擇方法;而對譯碼器的最大似然演算法則根據多相調制的特點進行了演算法簡化和實現。
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