頻率調制失真 的英文怎麼說

中文拼音 [bīnlǜdiàozhìshīzhēn]
頻率調制失真 英文
frequency modulation distortion
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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...
  • 真 : Ⅰ形容詞（真實） true; genuine; real Ⅱ副詞1 （的確; 實在） really; truly; indeed 2 （清楚確實） cl...
  • 頻率 : frequency; rate
  1. In communication systems like this, on account of nonlinearity which may arouse intermodulation of power amplifier may bringing the increaseing of ber because interferes from adjacent channel. hence, we did the analysis of relationship between im3 and ber in the system

    但是在正是因為採取這種調制方式，由於功率放大器的（ pa ）非線性失真會引起交調效應產生同頻及鄰頻通道的干擾而使誤比特率（ ber ）增加。
  2. The three - phase high - frequency ac pulse density modulation ( pdm ) converter, which is proposed in this paper, can efficiently synthesize low - distortion variable frequency variable amplitude low frequency voltage signals from the fixed - frequency voltage of the high frequency link

    本文闡述的高頻交流脈沖密度調制（ pdm ）的控制策略能夠較容易地將高頻交流信號低失真地合成幅值和頻率變換的低頻信號。
  3. Signal distortion and countermeasure in a pwm type audio power amplifier

    脈寬調制音頻功率放大器信號失真分析與對策
  4. Comparison research verifies its effectiveness on reducing the de - link losses and improving the output performance. the three topologies mentioned above are all presented with detailed theoretical analysis, parameters design, simulation and experimental verifications. a 6kw three - phase inverter system is accomplished in order to verify that the two - amplitude control technique is fit for high power application

    第五章研究三相逆變系統的雙幅諧振直流環節技術，完成了6kw實驗系統，提出了滯環電流控制與空間矢量調制相結合的方案（ hcc - svm ）並首次採用cpld實現邏輯控制，大大降低了逆變器換流頻率，縮短了控制延時，實現了逆變器的高效變換和低輸出失真。
  5. Introduction to communication systems ? analysis and design of communication systems ; analog and digital modulation and demodulation, frequency conversion, multiplexing, noise and distortion ; spectral and signal - to - noise ratio analysis, probability of error in digital systems, spread spectrum

    通信系統基礎：通信系統分析和設計，模擬和數字調制和解調，頻率轉換，統計復用，噪聲和失真；譜分析和信噪比分析，數字系統誤碼率，擴展頻譜。
  6. This paper proposes a two - armed push - pull inverter, including its topologies, power distributions in every switching devices and modulation schemes. the major parameters such as thd and df of this vsi are analyzed. comparison study shows that the quality of two - armed push - pull vsi is better than those of square - wave vsi. and the switching loss is lower than that of pwm scheme at same time, especially used in wide frequency range. detailed calculating formulae and experimental results are presented

    該文介紹了一種雙臂推挽式逆變器，包括其電路拓撲、每個開關器件的功率分佈和調制策略.分析了這種電壓源逆變器的主要參數，如總諧波失真度（ thd ）和失真指數（ df ） .比較研究表明，這種逆變器的質量明顯優于方波逆變器，同時開關損耗明顯低於pwm調制方式，特別適用於寬頻范圍.介紹了計算公式和實驗結果
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