principal tree 中文意思是什麼
principal tree
解釋
主樹-
After analysis of tm / etm + data ' s advantage over the forest change detection, tasseled cap transformation, principal component analysis and normalized difference vegetation index were chosen to enhance the vegetation spectral information. expert classification system was adopted to extract the main tree species in the littoral shelter forest
在分析etm +數據在森林資源監測中的優勢的基礎上，通過纓帽變換、主成分分析和植被指數法增強植被光譜信息，結合專家分類系統對沿海防護林主要樹種進行提取。 -
Three basic strctures for demultiplexer, i. e. serial, parallel and tree. their working principal, advantages and disadvantages will be discussed in the thesis. according to their characteristics and the design objective. the tree architecture was selected
根據三種結構的各自特點和設計目標，選用樹型結構作為分接器的基本結構。電路設計是分接器設計的基礎。 -
Torsional vibration mathematical modeling of auger - bit principal axis of digging machine for tree planting and its solution
植樹挖坑機鉆頭主軸扭轉振動數學建模與求解 -
Former true triaxial test research have been lack of the completely study on soil anisotropic deformation characteristic on condition that load in each of the tree principal stress direction because of their different research purpose
由於研究目的不同，以往真三軸試驗研究中缺乏針對三主應力單向加荷時的土體各向異性變形特性較全面的研究。 -
My principal work is these : transforming image in wavelet at first, then encoding wavelet coefficients in sofm arithmetic methodology, lbg arithmetic methodology, dpcm encoding step by step, wavelet zero tree compression separately, reconstructing the image at last, so researching how to improve compression ratio, hi addition, the article puts forward a new arithmetic methodology, sl arithmetic methodology, on the base of comparing sofm arithmetic methodology with lbg arithmetic methodology what it needs emphasis is the variety of reconstructed image because of the diversity of mother wavelet
本人所做的工作主要圍繞著這樣的步驟：將圖像數據先進行小波變換，然後分別應用sofm演算法、 lbg演算法、 dpcm分步編碼、小波零樹壓縮等對圖像小波系數進行編碼，最後重構圖像。 akqnk44 wa從而研究如何能夠提高圖像壓縮比，並比較了各演算法在圖像壓縮中的特點。另外，根據sofm演算法、 lbg演算法在圖像壓縮中的各自特點，提出了一種新的算祛一七l演算法。 -
Evergreen broadleaf tree is the principal part of forestry reserves and the most important component of forestry ecosystem
常綠闊葉林是南方森林資源的主體，是森林生態系統中重要的組成部分，可改善人類生態環境。
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