map length 中文意思是什麼

map length 解釋
圖譜長度
  • map : MAP ＝Military Aid Program 〈美國〉軍事援助計劃。n 1 地圖；天體圖；圖。2 〈美俚〉臉，面孔。3 〈美...
  • length : n. 1. 長，長度，長短。2. （時間的）長短，期間。3. （賽艇的）一艇的長度；一馬的長度。4. 程度，范圍。5. 【板球】球程；投至適當距離的球。6. 【語言學】音長。7. 一段，一節。
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. By testing the corrected image map, the mean error of point position was 1 meter, the maximal error was 2 meters, length distortions on x and y axis orientation were not more than 1 % and angle distortion was almost not existing

    經檢驗，單點定位平均偏差為1m左右，最大偏差為2m左右，在x 、 y方向上的長度變形均不大於1 ，基本沒有角度變形。
  3. On the realization of this new scheme, the influence of the fixed - point quantification upon the modified max - log - map algorithm is evaluated. simulations show that : if the input data is 5 bits at length, the unfavorable effect of quantification error is negligible

    在系統實現方面，分析了輸入數據的定點量化對改進的max - log - map譯碼演算法的影響，結果表明輸入數據採用5比特量化時，量化誤差對譯碼結果的影響已很小。
  4. A novel method based on a map of noise figure and gain is proposed to analyze efficiently the dependence of the noise figure and gain for edfas on the edf length and the pump power. the characteristics of various edfas are studied and compared. secondly, some important parameters are introduced to describe the characteristics of edfas

    文中從理論上系統分析設計了結構參數對各種edfa性能的影響，最後通過實驗驗證；第四，針對波分復用系統要求edfa必須具備增益鎖定功能，提出採用單根光纖光柵的方法來箝制l - bandedfa的增益。
  5. In the paper, the simplified methods of route shape, length, angle and the measure of topology maintenance in map simplification are discussed, such map form possesses high application value in lbs service because it can ease user ' s cognition burden

    這種地圖不僅能滿足空間認知需要，而且能緩解目前在lbs應用中存在的地圖數據與屏幕大小的矛盾，適應移動環境下用戶的多行為狀態和終端硬體特點。
  6. The first part mainly introduces the gis concept and contents of gis, the comparison between the related software and gis, the present condition and development trend of gis etc, then introduced how to use the gis technique in a specific way such as using the method of " the half - automatic to follow " to turn the map into arithmetic figure, using the method of " the automatic calculates " gets the length of the line and area of field etc, at last got the length and width of every cross section of the fabiela river which is located downstream of xiangshan mountain. this method is superior and time - saving comparing with collecting data on the spot, having important and actual application worth

    第一部分主要介紹了gis的概念和研究內容， gis與相關軟體的比較以及gis的現狀、發展趨勢、當前gis研究的熱點等等，然後具體介紹了用gis的相關技術如：用「半自動跟蹤」方法對地圖進行數字化，用「自動量算」方法得到線對象的長度、面對象的面積等，最終完成了象山水庫下游法別拉河河道地形數據資料的提取工作，這種方法與人工實地採集工作相比，有較強的優越性和重要的實際應用價值。
  7. In the linkage map of paternal parent, 74 markers distributed in ' 25 linkage groups, which covered a total length of 951. 5cm. the longest and shortest linkage group was 206. 2 cm and 7. 4cm respectively. the maternal linkage map consisted of 66 marker loci in 22 groups, which cover the map distance about 712. 7 cm

    在中國對蝦的雄性連鎖圖譜中，包含25個連鎖群共74個標記，總圖距為951 . 5cm ，最大連鎖群的長度為206 . 2cm ，最短的為7 . 4cm ，標記間的最大圖距為42 . 4cm ，最小圖距為3 . 7cm ，圖距標記間的平均距離為12 . 8cm ；雌性連鎖圖譜中，由66個標記組成的22個連鎖群所覆蓋的總圖距為712 . 7cm ，連鎖群的長度介於7 . 7cm - 128 . 2cm之間，標記間的最大圖距為28cm ，最小圖距為3 . 7cm ，圖距標記間的平均距離為10 . 7cm 。
  8. Read the map, note the length of route and climbing height of the whole trip

    參看地圖，量度路線長度及爬升高度
  9. The estimated genome length of f. chinensis is about 2000 cm, so the map covered the 47. 5 % and 35. 6 % of the genome. the map with moderate density developed here provides a first step in producing a saturated linkage map of f. chinensis and open the way for marker assisted selection, comparative genomics and gene location and clone

    遺傳連鎖圖譜的構建為分子標記輔助育種、比較基因組作圖、及基因定位與克隆奠定了基礎，並為今後其它海水養殖生物遺傳圖譜的構建提供了理論和實踐意義。本項研究填補了中國對蝦分子遺傳學與育種學領域的空白。
  10. Beginning with plentiful experimental bases, some problems about pile - foundation technical criterion are discussed, some suggestions about are advanced, some rules about rock - socketed offect are educed : rock - socketed pile has conclusively rock - socketed offect, and when rock - socketed length achieves a certain value, increasing length will not influence bearing capacity, but base resistance still exists. based on the neural network model of limit load of rock - socketed segment of piles, the analysis method of characteristic parameters is proposed by means of self - organizing character map network

    在分析大量的實測資料基礎上，對樁基技術規范中嵌巖樁的承載力計算公式進行了分析探討，認為f _ （ rc ）應具體情況具體分析，取值應符合現場實際； s 、 p應在靜載試驗后再確定。
  11. For the image with random field feature, the description language is probability distribution model, and the description length equals the negative base - two logarithm of the probability of the image data ; for the region homogeneity properties of active contour, the description language is chosen as a sign gradient map, and the description length is the summation of sign gradient inside the active contour ; for the active contour regularity, the description language is smoothness, and the corresponding description length is the length of active contour curve

    隨機場圖像的描述語言採用概率分佈模型，描述長度是圍道內外區域中圖像數據概率的以2為底對數的負數；活動圍道區域一致性的描述語言為有符號的梯度圖，描述長度是圍道內區域有符號梯度的總和；圍道形態的描述語言採用平滑性，描述長度正比于圍道的長度。
  12. Based on study of spatial database and related technology, on the platform of oracle spatial plus mapx of maplnfo, and against the background of developing chongqing expressway comprehensive management system, this thesis elaborates on the making of electronic map and its loading to database, the storing model of spatial data as well as the adding, amending, deleting, selecting, and inquiring of spatial objects. it also lists the basic approaches to develop gis project based on such a spatial data storing model at length

    本課題根據對空間數據庫和相關技術的研究，選用了oraclespatial和mapx為開發平臺，以重慶高速公路綜合管理系統的開發為背景，深入研究了oracle9i空間數據庫技術，透徹分析其理論，研究了mapinfo公司的mapx4 . 5的技術細節，重點是其對空間數據庫支持方面的技術細節和gis應用系統開發的總體模式，主要是在空間數據庫平臺下客戶和服務器端的連接模式。
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