approximate cost 中文意思是什麼

approximate cost 解釋
估算成本
  • approximate : vt 1 使接近。2 接近；走近。3 近似，約計。4 模擬。5 估計。vi 近於。 His income this year approxima...
  • cost : n 1 費用；代價，價格；成本。2 犧牲；損害，損失。3 〈pl 〉訟費。vt （cost; cost）1 值，要價（苦幹...
  1. Applying the results to optimal controller to realize the minimizer of the cost function of mkdv - burgers equation under neumann and dirichlet boundary control. secondly, using inertial manifold and approximate inertial manifold theory, the approximate inertial manifold under fourier bases is given and we construct a set of odes of three modes to obtain the long - time dynamic behavior

    其次，利用慣性流形和近似慣性流形理論，給出mkdv - burgers方程在fourier基下的近似慣性流形，並且把這一方程所確定的無窮維動力系統約化為一組三模態下的常微分方程組，從而研究這一方程所確定的動力系統的長期動力學行為。
  2. The housing arrangements are in place for you and the costs will be 270 ( gb pounds ) per month plus council tax, utility bills and subsistence giving you an approximate monthly cost of 375 per month

    你的住宿已安排好，每月房租270英磅，包括各種費用如市政稅、電、氣費在內每月生活費約需375英磅。
  3. Typical categories are 1 - 3 days, 3 - 10 days, or greater than 10 days. a rough order of magnitude estimate establishes an approximate cost for a scenario or quality of service requirement

    通常的分類為1 - 3天、 3 - 10天或10天以上。通過粗數量級估計可獲知某方案或服務質量要求的大致成本。
  4. 2 - d superresolution direction finding methods at subarray level suited for plane phased arrays are studied. for overcoming the limitations of true array manifold ( tam ) that the expense and cost of the array calibration are high and the calibration realization is complex, five kinds of simplified array manifolds are proposed, namely direct simplified array manifold ( dsam ), simplified array manifold based on ideal subarray patterns ( sam _ isp ), simplified array manifold based on approximate ideal subarray patterns ( sam _ aisp ), simplified array manifold based on gaussian subarray patterns ( sam _ gsp ), simplified array manifold based on approximate gaussian subarray patterns ( sam _ agsp ) respectively. the performances of applying these array manifolds to music, wsf and ml methods at subarray level are analyzed

    本文研究了平面相控陣二維子陣級超分辨測向，針對真實陣列流形（ tam ）校正成本和代價高以及實現復雜的缺陷，提出了五種簡化的陣列流形分別為直接簡化的陣列流形（ dsam ） 、基於理想子陣方向圖的簡化陣列流形（ sam _ isp ） 、基於近似理想子陣方向圖的簡化陣列流形（ sam _ aisp ） 、基於高斯子陣方向圖的簡化陣列流形（ sam _ gsp ）和基於近似高斯子陣方向圖的簡化陣列流形（ sam _ agsp ） 。
  5. As for the design of alloy system and the determination of the quantity of main contents, they rely on the approximate estimation after simply calculation, which result in longer development cycle, higher cost and worse accuracy

    在合金系統的設計和某些主要成分的用量上，輔以簡單計算進行粗估，設計周期長、開發成本高。因此，焊材設計手段的更新至關重要。
  6. The training object of the algorithm is minimization of the cost function in optimal control, variations of the weight values are obtained by the steepest descend gradient method and moreover an approximate treatment is made on the sensitivity matrix evaluation

    本方法以瞬間最優控制價值函數最小化為訓練目標，考慮了地震輸入的能量，利用最速下降梯度法計算權值的改變量，並對敏感度矩陣進行近似處理，可解決神經網路控制中神經網路控制器難以獲得的訓練輸入輸出樣本對的難題。
  7. Experimental results implicate that this arithmetic is a low storage - cost and complicated method, for its better performance over jpeg2000 in both realization and storage requirement. owing to combination of smoothness, tight support, symmetry, orthogonality and higher order of vanish moments, multi - wavelets supply us with a new signal analysis method, which can better approximate the signal and performance well on the edge in reconstruction

    由於多小波將光滑性、緊支性、對稱性、正交性和更高階的消失矩完美地結合在一起，它不但可以對信號提供一種更新的分析手段，而且對信號的逼近性質更好，重構信號在邊界位置的性能也更完善。
  8. The problem of signal processing for direct - sequence code - division - multiple - access ( ds - cdma ) signal over multipath frequency - selective mobile channels is considered. a new blind receiver is proposed. without the knowledge of the multiple - access interference users spreading code and the channel characteristics, the receiver achieves blind detection with prior knowledge of only the desired users spreading code and approximate timing. by using reduced rank adaptive decorrelating filter and adaptive multipath combiner which is based on decision - directed algorithm, the receiver gets the ability to combat both fading and the near - far effect at low cost. simulation results demonstrate that the proposed receiver offers high performance

    本文研究多徑頻率選擇性衰落通道下直接序列擴頻碼分多址（ ds - cdma ）信號的處理問題，提出了一種新型的盲接收機.該接收機不需預知多址干擾用戶的擴頻碼，不需預知通道參數，只需已知期望用戶的擴頻碼和粗略的定時，就可以完成用戶的盲檢測.同時，該接收機通過降維自適應去相關濾波和基於判決指導的自適應多徑合併，來獲得低成本和良好的抗衰落、抗遠近效應性能.模擬結果驗證了本文提出的接收機的優良性能
  9. While some study materials will be given by the lecturers during classes, students will also be asked to buy some textbooks from local bookstores at an approximate cost of mop1, 700 per year ( one thousand seven hundred )

    課堂部份的參考資料將由講師派發，每年每位學生購買書本的開支預計為澳門幣1 ， 700元，大部份書本可於本地書局購買。
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