最平幅度特性 的英文怎麼說

中文拼音 [zuìpíngxìng]
最平幅度特性 英文
maximally flat amplitude characteristic
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : 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)
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 幅度 : range; scope; extent; [古詞] latitude; breadth; [數學] argument; [電學] amplitude
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定、定量地討論了各種非理想電路因素(如相位不衡、衡、直流偏差等)對調制器能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  2. Experimental results show that after reducing the dependency of features, sa method works better. the most three important features of the license plate regions are obtained in the experiment and our algorithm is robust in filtering out false plate regions. in the module of binarization of license plate, based on algorithm of casda ( cluster algorithm based on spatial distribution analysis ) an improved quick binarization algorithm i - casda are proposed to get rid of the influence of the illumination

    運用本演算法對復雜背景的車輛牌照進行檢測,實驗結果表明,基於簡單均融合運算元的檢測演算法得到的檢測率高, 80 . 36 (訓練樣本)和76 . 54 (測試樣本) ,均檢測速為每圖象0 . 81秒,滿足實時要求;區域寬高比、區域密和區域寬比率是車牌區域重要的三個徵;本演算法魯棒好,可較好地排除相似紋理區域(如廣告牌等)的干擾。
  3. The thesis finds out the trend of the urbane land value fluctuation, and presents a reasonable prediction on the land value in three years " time on the base of the fact that the demands on land for different usages have been increasing since 1988 and the analysis of the relevant fluctuation diagrams which come from the basic land value in 13 metropolises and the historical indexes of it in hunan by the combinational ways of average insert and average output. while studying the way of keeping the land value balanced among different regions, the author analysis the basic land prices of 13 cities in a systematic classifying way and labels them with 4 levels according to their own characteristics. at the same time, the land values are measured by relevant index with the consideration about the economic situation in the whole society

    本文在研究湖南省13個設區城市的基準地價和歷年地價指數的基礎上,通過均插值法與外插法相結合的方法,求出各城市自1988年以來各年各類用途土地的漲,在此基礎上擬合出地價趨勢模型,分析對應的變化曲線,根據各城市地價的時間分佈徵對未來三年內的地價做出預測;本文在研究區域地價衡時,首先採用系統聚類的方法對各城市的基準地價進行聚類分析,終將13個城市按照其地價點分成了4個層次;其次採用相關系數量各城市地價與其他社會經濟發展變化的相關
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