電位遲延失真 的英文怎麼說

中文拼音 [diànwèichíyánshīzhēn]
電位遲延失真 英文
potential delay distortion
  • : 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...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ形容詞1. (緩慢) slow; tardy; dilatory 2. (晚) late; delayed 3. (遲鈍) slow; obtuseⅡ名詞(姓氏) a surname
  • : 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...
  • 遲延 : delay; retard; postpone; drag on
  1. On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution

    文中主要研究了離層的三種影響:信號經過離層傳播的群引起的成像偏移;離層的色散效應給線性調頻信號帶來二次相誤差,導致圖像退化、;以及離層的閃爍、湍流等不規則性引起的信號相起伏。在此基礎上,比較分析了不同波段、帶寬條件下離層的影響。
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