正弦調制信號 的英文怎麼說

中文拼音 [zhēngxiándiàozhìxìnháo]
正弦調制信號 英文
sinusoidal modulation signal
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • 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...
  • : 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...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  1. 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,在調系數0 . 1 m 0 . 5情況下,控移相角按規律變化,使諧振電壓脈沖列的幅值追蹤參考電壓,經過整流、濾波、低頻逆變,從而獲得度較好的輸出電壓。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。
  2. ( 4 ) periodicity and pseudo - modulation when sampling sinusoidal signals the periodicity and pseudo - modulation due to non - integral sampling of sinusoidal signal are analyzed

    著重討論連續采樣過程中抽樣定理對的非整數抽樣序列的周期性,偽調性和調周期的周期性。
  3. 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濾波器后也不能壓主瓣,因此是一種無效干擾。
  4. The spwm algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. the good performance of the bldc motor controller using dsp is verified by the experiment

    本文在分析了幾種spwm調方法的基礎上,將基於對稱采樣法的spwm調演算法應用於本設計中,產生了可調調幅的波脈寬調
  5. The general signal sources represented by arbitrary waveform generator ( awg ) have become the most popular instruments in modern testing domains. awg can not only generate conventional waves such as sine wave, triangle wave, square wave, etc, but also generate unconventional waves such as linear frequency modulation wave, phrase modulation wave, amplitude modulation wave etc, the most important, it can create arbitrary wave

    由於它可產生包括各種理想及非理想的波形,不但可以產生純凈的波、方波、三角波等常規波形,而且可以產生線性調頻、調相、調以及程式控占空比的低占空比方波,更為重要的是,能夠根據用戶測試需求生成任意波形。
  6. Because frequency - shift signal is a kind of modulation signal, it ' s waveform is two ac sine signal of alternating i. e. upper frequency and lower frequency which was generated by low frequency modulating middle frequency

    由於移頻是一種調,其波形為低頻調中心載頻后產生的低端載頻(下邊頻)和高端載頻(上邊頻)兩個交替變化的交流
  7. So the vsr can operate in any power factor. internal model control ( imc ) design concept has been introduced to the unbalanced control system of vsr. with imc design concept, the unbalanced control system not only achieve zero steady state error of sinusoidal ac current, but also obtains strong robustness of the control system

    由於在abc和靜止坐標系中,採用比例和比例積分調節器無法實現對時變的無差跟蹤控,而在dq坐標系中需要用、反兩套旋轉坐標系構成四個電流內環才能實現對、負序dq電流的無差跟蹤。
  8. 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,用單片機對觸發進行智能數字降頻,可在交流電中切分出部分完整的波形供負載使用,可以單獨做成一臺控儀器或者作為一個控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。
  9. Sine pulse width modulation matrix converter based on digital signal processor

    基於數字處理器的脈寬調矩陣變換器
  10. Ds signal is twice modulated with the rapid pseudorandom noise sequence and the carrier. so it appears cyclostationary. in the field of spectral correlation, ds signals appears its characteristic as fallows : for the amplitude of spectral correlation, the information of carrier frequency and pn code rate are contained on the spectrum frequency equal to zero sheet, and also the pn code rate is contained on the sheet of spectrum frequency equal to carrier frequency ; for the phase of spectral correlation, the information of carrier initial phase is contained on the sheet of cyclic frequency equal to double carrier frequency

    Ds是經過高速偽隨機序列和載波二次調的寬帶,因此具有周期平穩特性,它在譜相關域表現為:幅頻特性在譜頻率等於零截面切片上包含了載頻和偽碼速率息特徵,在譜頻率等於載頻截面切片上包含了偽碼速率息特徵;相頻特性在循環頻率等於兩倍載頻截面切片上包含了載波初相息特徵。
  11. ( 2 ) the properties of displacement measurement based on self - mixing interference are mathematically analyzed. first, how the external phase influences upon the output frequency, intensity, power and line - width is discussed. then, the output signal ' s properties modulated by four waves, including sine wave, square wave, triangular wave and saw tooth wave, is discussed

    ( 2 )通過數值分析討論了自混合干涉位移測量系統的基本特性,包括外腔相位對輸出光頻、輸出強度、輸出功率、譜線寬度的影響,以及波、方波、三角波、鋸齒波調反射體位移時輸出的特點。
  12. Abstract : a method by using 8031 single - clip microprocessor to get the syntonical bit information is presented, based on the characteristic of the modulated singal in ascending cosine envelope. the timer is locked at the maximum of the wave peak. the experiment results indicate that this method is feasible for 2 400 bps system

    文摘:利用升餘包絡調的特點,即基帶為升餘波,接收端可以利用這一包絡,從中提取定時息.提出了一種將時鐘鎖定到包絡峰值最大點的單片機實現的方法,從而完成了在接收端確提取定時息的任務
  13. Pulse signal is connected by the customer. signal can be sine wave or square wave. modulation frequency can be to 1mhz few model can be to 10mhz ; inner modulation type no need signal from out side

    調式激光器留有專用的介面,由用戶接入脈沖可以是波,也可以是方波,調頻率可到1mhz個別型調頻率可到10mhz 。
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