載波制 的英文怎麼說
中文拼音 [zǎibōzhì]
載波制
英文
carrier system- 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...
- 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...
- 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
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Cap carrierless amplitude modulation
無載波幅度調制This system of modifying the carrier waves is called "amplitude modulation, " or "am".
這個改變載波的系統稱為「振幅調制」或縮寫為「AM」。This system of modifying the carrier waves is called " amplitude modulation, " or " am "
這個改變載波的系統稱為「振幅調制」或縮寫為「 am 」 。Load modulate technology based on sub - carrier wave for fuze setting information feedback
基於副載波的負載調制技術實現引信感應裝定信息反饋的方法This thesis focuses on the performance of complete complementary keying modulation and multi - carrier cdma architecture based on complete complementary codes ( ccc - cdma )
本文主要研究了基於互補碼擴頻的cck調制性能和基於完全互補碼擴頻的多載波cdma系統性能,主要工作可以分為以下幾個部分。In this case the information source provides an electrical signal to a transmitter comprising an electrical stage which drives an optical source to give modulation of the lightwave carrier
在這種情況下,信源給發射機提供一個電信號,發射機中的電路驅動光源以實現對光載波的調制。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。The research on carrier spectrum, modulation schemes and signal codes of plc networks has received much attention, while the mac protocol of plc networks is usually adopted from general - media computer networks
目前國際上注重研究plc網路的載波頻率、調制方式、信號編碼等關鍵技術。而對于plc網路的mac協議,卻通常採用修改的常規計算機網路的mac協議。Moreover, it does not necessarily need waveforms other than sinusoids, for both modulator and carrier, in order to produce interesting musical sounds
而且,它不一定需要調制器和載波波形(除了正弦波)來創作有趣的樂聲Suppressed carrier ssb emission
抑制載波單邊帶發射Electricity metering - data exchange for meter reading, tarif and load control - part 31 : use of local area networks on twisted pair with carrier signalling
電量計.抄表電費和負荷控制的數據交換.第31部分:帶有載波信號傳輸的雙絞線局域網的使用Electricity metering - data exchange for meter reading, tariff and load control - part 31 : use of local area networks on twisted pair with carrier signalling
電度表.計數器讀數稅控制和負載控制的數據交換.第31部分:帶有載波信令的雙扭線局域網的使用4. in data acquisition system, the application of phase - locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. carrier signal and modulation signal achieve entirely synchronous too
數據採集系統採用鎖相技術、同步檢波的原理,降低了整個系統的成本,提高了靈敏度,並使得載波信號與調制信號完全達到同步。There are many ways of modulating signal about bpsk such as castas loop, square loop, etc. usually the carrier wave is put forward firstly, then the purified carrier wave is used to demodulate the output data ( all these things are usually completed in the same loop ). these methods have their strong points but at same times, it is difficult to design and achieve these ways
有關bpsk調制信號的解調方法很多,例如castas環,平方環等,這些方法一般都是先提取載波,然後用提純的載波去解調出傳輸的數據(大都在同一個環路內完成) ,這些方法的優點是顯而易見的,但是在某些條件下,這些方法的設計和實現卻很困難。Carrier intelligent control system of rotary vane coal feeder
葉輪給煤機載波智能控制系統Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country
本文介紹了飛機電力線載波數據通信系統的結構,並對低壓電力線的通道特性進行了分析;對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證;設計出基於qpsk的調制解調模塊,並在此基礎上,研製出以dsp和cpld為最小系統的調制解調硬體電路板,開發了調制解調模塊電路板的應用軟體程序。The leec biochip can be connected with pcb ( printed circuit board ), thus it can generate a moving electric field by changing time, scope and field intensity discretionarily under single chip processor ' s control. meanwhile it is probable to reduce driving voltage and decrease temperature greatly, and so increase resolution of dna separation
研究內容包括線性分散式電極陣列的理論設計,以普通載波片和有機高聚物pdms ( polydimethylsiloxane )為基本材料的晶元製作工藝, leec晶元和pcb板的連接方式,硬體控制系統的設計以及控制晶元工作的單片機程序編制等,此外還包括電化學檢測方法的研究。Methods of estimating baud rate, signal to noise ratio ( snr ) and reference phase are investigated. a modified euclidean algorithm is proposed to estimate baud rate of the burst packets. a cumulant based algorithm of estimating snr of star - qam is proposed which has better estimation performance in medium scope of snr
研究了自適應調制中波特率,信噪比和載波相位等參數的估計演算法;提出一種基於修改的歐幾里得演算法的波特率估計演算法,這種演算法可以對突發分組的波特率做出準確估計;提出一種星型qam信號的信噪比估計演算法,在中等信噪比條件下,具有較好估計性能。Under the condition that the carrier frequency is the only prior knowledge, various feature abstraction methods and amr algorithms are analyzed, integrated and compared for the awgn and non - awgn channels
在載波頻率是唯一先驗知識的條件下,本論文分別對awgn通道和非awgn通道下的調制類型特徵提取和自動識別演算法進行了分析、綜合、對比。Carrier system telephone
載波制電話分享友人