等幅載波 的英文怎麼說

中文拼音 [děngzǎi]
等幅載波 英文
constant amplitude carrier
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
  • : 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 ...
  • : 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...
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  1. Solution of nonlinear wave loads in regular oblique seas. based on strip method, thinking about nonlinear factors such as no straight shipboard on waterline, the instantaneous variation of wet surface shape and slamming effect of ship bottom, the numerical methods of nonlinear fluid force in large amplitude oblique regular seas are discussed

    關于斜浪規則中非線性荷的計算:本文基於切片理論,考慮到船體非直舷、水下剖面形狀的瞬時變化以及砰擊非線性因素,討論了大斜浪規則中非線性流體力的時域計算方法。
  2. 2 the electromagnetic compatibility ( emc ) of the new radio induction system is analyzed, this paper studies the affections for the new radio induction system excited by the conductive interference and radiated interference, this paper also studies the affection to the out - space environment excited by the new radio induction system. 3 this paper studies the applications in analog carrier communication for the new radio induction system from the mod - d

    2研究了新型無線感應系統的電磁兼容性,分析了傳導干擾對新型無線感應系統的影響,分析了輻射干擾對新型無線感應系統的影響;分析了新西南交通大學博士研究生學位論文第11頁? ? 3主要從調( am 、 dsb 、 ssb ) 、窄帶調相( nbpm ) 、窄帶調頻( nbfm )調制解調中研究了新型無線感應系統在模擬通信中的應用並進行了模擬,研究了上述調制解調相應的解調增益。
  3. The accompanying exhibition catalogue provides a brief introduction on shaw s talent training schemes, followed by a fine selection of star photos covering over 70 shaw s stars, including our evergreen beauty li lihua, the charming linda lin dai, classic beauty betty loh ti, women killer yan jun, chao lei, peter chen ho and romantic hero jimmy wang yu, just to name a few. besides, there are a full - colour graphic compilation of the galaxy of stars printed in panoramic scale plus a special section on top star of shaws cantonese unit lam fung

    配合展覽出版的特刊,除了簡介邵氏培育影星的制度和方式外,更刊各明星如影壇長青樹李麗華、四屆影后林黛、古典美人樂蒂、以反串聞名的凌、千面小生嚴俊、皇帝小生趙雷、喜劇聖手陳厚、浪漫英雄王羽約70位影星的照片;並附以片廠為背景的邵氏星河圖橫,彩色精印。
  4. The purpose of this paper is to resolve some key technologies of the amplitude - modulation inductive displacement transducer signal processing circuit with nanometer resolution, such as the design of high stability signal generating circuit ; the technology of high precision digital phase - sensitive detection circuit ; the technology of digital filter and linearization, etc

    本文主要研究調式電感位移傳感器精密測量系統中涉及的高精度信號發生技術、高精度數字相敏檢技術、數字濾及線性擬和關鍵技術,目的是進一步改善調式電感位移傳感器精密測量系統的測量精度,適應納米級測量的要求。
  5. 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信號是經過高速偽隨機序列和正弦二次調制的寬帶信號,因此具有周期平穩特性,它在譜相關域表現為:頻特性在譜頻率於零截面切片上包含了頻和偽碼速率信息特徵,在譜頻率頻截面切片上包含了偽碼速率信息特徵;相頻特性在循環頻率於兩倍頻截面切片上包含了初相信息特徵。
  6. Constant amplitude carrier

    等幅載波
  7. With the characteristics of large ambient noise, very narrow bandwidth, low carrier frequency, great propagation latency and time - space - frequency variant multipath effect ( mpe ), the stochastic ocean channel has demonstrated the greatest complexity and difficulty for underwater acoustic wireless communications. among them multipath effect ( mpe ) is the most difficult obstacle that results in signal fading and inter - symbol interference ( isi )

    但是噪聲高、帶寬窄、頻率低、傳輸時延大、多途徑效應隨時間?空間?頻率變化通道特性都會給有效、可靠的水聲通信帶來很大的麻煩,其中多途徑效應是最主要的困擾因素,它會導致信號度衰落和碼間干擾。
  8. This dual - loop strategy is analysed completly and simulated. the implementation strategy is using digital and analogous hybrid control. the voltage loop is realized by dsp, and the inner - loop is realized by analogous circuit the design of cpld which simplified signal - phase cascade inverter circuit is also introduced in this paper

    根據控制方案設計了採用數模混合方案的控制電路,電壓外環採用dsp控制,實現輸出電壓有效值計算、 pi調解、輸出限操作,電流內環採用模擬電路實現,並基於復雜可編程邏輯器件cpld設計了移相電路和死區產生電路,簡化控制電路。
  9. The volume of the output filter can be reduced greatly used in cascade inverter with carrier - phase - shifted spwm technology which has a high equivalent switching frequency and a good output sine wave. it is the base of the high power density of asi

    移相正弦脈寬調制技術有獨特的消諧優勢,其效開關頻率高,輸出形正弦度好,可以大減小濾器體積,為實現系統的高功率密度奠定基礎。
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