載波電流通信 的英文怎麼說

中文拼音 [zǎibōdiànliútōngxìn]
載波電流通信 英文
ccc carrier current communication
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 通 : 通量詞（用於動作）
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 通信 : communication; communicate by letter; correspond
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  2. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  3. 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。
  4. The forming of signals, such as those employed in telegraph transmission, by the interruption of a direct current or modulation of a carrier between discrete values of some characteristics

    斷開或接通直流電路或者在具有某些特點的離散值之間對載波進行調制而形成信號的過程和方法。如電報傳輸中使用的就是鍵控法。
  5. In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal

    在傳感器設計一章中，首先對渦流傳感器進行等效電路分析，在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路，並通過微調電容獲得了標準頻率的載波信號；接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案，同時通過旋轉耦合變壓器的引入，使得測量信號輸出問題很好地解決；本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。
  6. A new experimental and training system with modular hardware and software is introduced in this paper based on the research and analysis of the principle, structure and realizing method of microprocessor relay protection and safety automation equipment and the constitutes of cut - up arrangement substation integrated automation at home and abroad whose function includes relay protection experiment, such as current protection, distance protection and so on, and substation integrated automation experiment etc. the structure and function of the experimental and training system are introduced in detail, the principle and function of the hardware section are analyzed, and the method of software designing and programming is concisely set forward. in this paper, a new communication mode between computer and the rs - 485 bus and the can bus by using the computer ' s epp port and an effective method of software ' s remote downloading are brought forward

    論文在研究和分析了國內外微機保護和安全自動裝置的原理、結構和實現方法以及分散分散式變電站綜合自動化系統構成的基礎上，開發了一種硬體和軟體模塊化，能實現電流保護、距離保護、故障錄波等多種繼電保護和安全自動裝置功能以及變電站綜合自動化功能的實驗培訓系統，詳細介紹了整個實驗培訓系統的結構和功能，分析了硬體部分的原理和作用，還簡要闡述了整個軟體編制的大體方法，並提出了一種利用計算機的epp口實現上位機與rs - 485總線和can總線通信的新型通信方式，提出了一種利用psd913f2的雙flash的特點進行軟體的遠程在線下載的方法。
  7. With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu, we can divide alternating current into several complete sinusoidal waves to supply some loads. it can be made as a controller or a pcb ware, which is suitable for the air conditioning, machine tool and various instruments that require electric power or rotate speed adjustment

    利用晶閘管的觸發導通特性，用單片機對觸發信號進行智能數字降頻，可在交流電中切分出部分完整的正弦波形供負載使用，可以單獨做成一臺控制儀器或者作為一個控制電路板用於需要電功率和轉速調節的空調、機床以及各類儀器設備中。
  8. After the analysis of power produce character of the typical three - phases unbalance load, the corresponding circuit is adopted. this main circuit is composed of the power filter series and tcr control circuit. secondly the theory of band - pass filter is analyzed in detail, and then a method of implementing butterworth band - pass filter is put forward

    簡要分析了無功補償的基本原理和工作特點，通過對典型的三相不平衡負載工作特點的分析，主電路採用電力濾波器與晶閘管控制電抗器相接合的結構；對用於無功檢測的帶通濾波器進行了分析，設計了用於負載電壓、電流信號濾波的帶通濾波器，並採用運算放大器加以實現。
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