點選率 的英文怎麼說
中文拼音 [diǎnxuǎnlǜ]
點選率
英文
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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。They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g
如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。The author wish this study win be used in the development of numerical control dividing lathe that can divide into groups of the size for precise measure of thickness of ompressor carboy hatch soft shim the system of pneumatic measure applied widely for component measurement in produce process in factory. the author 100kup a large number related documents over about one and half year for research and went to factory and related research institute for investigating
並希望將這一研究結果應用於對「壓縮機缸蓋軟體墊片」厚度尺寸精密測量分組的數控分選機的研製。氣動測量系統以其測量倍率高、測量精度高、測量力小( 0 . 05 1n ) 、對被測工件有自潔作用、測量精度保持性好、抗干擾能力強等優點而被廣泛應用於工廠生產過程中的零件檢測。The rise of the centrist fran ? ois bayrou, who at one point almost overtook the socialist s gol ne royal, has muddied the electoral arithmetic
而走中間路線的貝魯也不容忽視,他的支持率一度差點就超過了社會黨的羅亞爾,讓選情更為詭譎。Jvg needs to give minutes to bonzi and get him in game shape
他本該靠近點,選擇命中率更高的打法的,該死的笨蛋!Discover our regional business class here first, by clicking on the various sections as indicated
請即點選本頁各超連結,率先探索地區性航班商務客位的優點。Firstly, the principles of three basic types of eml launchers are introduced. based on the characteristics of them, the coil launcher is eventually selected
首先,介紹了三種類型電磁發射器的原理,根據它們的特點,選擇效率較高的線圈型電磁發射器作為研究對象。11 luo x, zhang c, jennings n r. a hybrid model for sharing information between fuzzy, uncertain and default reasoning models in multi - agent systems. international journal of uncertainty, fuzziness and knowledge - based systems, 2002, 10 : 401 - 450. 12 hindriks k v, de boer f s, der hoek w van, meyer j j c. formal semantics of an abstract agent programming language
Agent行動選擇和目標更新不僅依賴于agent的不確定信念,而且依賴于agent在實施這些行動的時候的得失效應值在此,把點概率的效應理論擴展到了區間概率的情況,並借用模糊數學中區間數的方法,給出了比較區間最大期望效應的方法再次,關于實用推理的不確定性的繁殖,使用了基於預設決策理論的預設邏輯方法。Many online marketing practitioners love to increase the click through rate of banners ads with trick banners
摘要許多網路行銷人員喜歡採用唬弄式廣告來提升其橫幅廣告點選率。One avhrr image of the yangtze delta at 13 : 00 on 15th apr., 2003 is used to retrieve the regional parameter such as surface albedo, ndv1, surface emissivity and surface temperature, which is based on regional trait of the yangtze delta to choose different model. all above will give a methodological support to gain the regional surface parameters, what ' s more, it will afford the parameter support to calculate the regional et too
選取了2003年4月15日13時的avhrr影像,根據長江三角洲區域特點,選擇不同的反演模型,分別對長江三角洲區域地表反照率、歸一化植被指數、地表比輻射系數、地表溫度進行了反演,為區域地表參數的獲取提供了方法支持,也為長江三角洲的區域蒸散量求取提供了參數支持。We choose the material with micro particles and lint to make the environment of the wound clean, which can offer low infection potential
根據其最近距離接近傷口的特點,選用優質覆膜無塵紙,最大程度的保證患處小環境潔凈,降低感染率。According to calculation speed and the characteristics of the model, the method rhf and the basis sto - 5g / 6 - 31g * are finally determined respectively. this calculation can fairly explain some experiments results
按照「計算效率」原則和體系自身的特點,選擇了rhf方法和sto - 5g / 6 - 31g *基組組合,計算結果能很好的解釋一些實驗現象。We chose suitable tcp throughput model to estimate the available bandwidth correctly, using the estimated round trip time and packet loss ratio for the next time interval as parameters of the model to achive the accuracy of estimated network bandwidth. as the observed losses and round trip time vary very dynamically, adjust the sending rate equivalent to the amount of tcp throughput may result in a rather fluctuant sending rate. so we present a rate adjustment like tcp congestion control based on aimd, which increases its sending rate by an additive inereease rate
根據mpeg4視頻流應用的特點,選擇合適的吞吐量模型,進行合理的參數估計,並根據計算出的帶寬進行相應的速率調整來實現擁塞控制,我們使用未來rtt的估計值和分組丟失率的估計值作為吞吐量模型的參數,增強了控制的實時性,弱化了業務的振蕩性,提高了帶寬預測的準確性;在進行速率調整時,不是簡單地將發送速率調整到與tcp吞吐量模型一致,而是採用類似tcp的aimd策略來調節發送速率,減小了發送速率的振蕩性。We make comparative analysis of technical efficiency, pure technical efficiency and scale efficiency while choosing the year1997and 2000 as the model samples. and we also study the degree of the efficiency departure between banks through variance analysis while comparison of the efficiency is made between state - owned commercial banks and the newly founded banks chronologically
橫向上重點選取1997年和2000年為典型樣本點對各銀行的技術效率、純技術效率和規模效率進行了比較分析;縱向上按時間順序比較了國有銀行和新興銀行的效率,並通過方差分析研究了銀行間的效率偏離程度。In chapter 3, according to the requirements of high voltage power supply used for charging capacitors with constant current, the series resonant converter ( src ) was chosen as the main circuit frame. the dynamic process of src was discussed by using mathematical analyses and numeric simulation to study the operational characteristics, the effects of parameters of resonant circuit on them and the relationship between switching frequency and out put power, which provided the bases of designing the power supply
第三章中根據高壓電容恆流充電電源的運行特點,選擇了串聯負載諧振變換器作為主電路結構形式,並對其動態過程進行了數學分析及數值模擬,討論了該電路的運行特點、諧振迴路參數對運行特性的影響以及開關工作頻率與功率輸出的關系,為電源的設計提供了依據。Customer can choose longitudinal or transverse cycle drying way in accordance with the characteristics of material in order to raise efficiency and the quality of product
特點:用戶可根據物料特點選擇縱向循環或橫向循環的乾燥方式,來提高效率及產品質量;Another way that google reader ensures efficiency is through the email feature which, when clicked, appears directly below the article and allows you to send a story to a friend without losing your place
另一種方式即谷歌讀者可確保效率,是透過電子郵件功能,該功能,當點選,直接出現在下面的文章,並允許你發送一個故事,一個朋友不失去你的地方。Because of the good sensibility, ultrasonic narrow band signal analysis technique with 1mhz central frequency was chosen to differentiate the heat treatment samples above - mentioned. there are obvious differences among heat treatment products in principal frequency, spectral peak ' s quantity, amplitude and distribution. that is to say, the technique of ultrasonic narrow band power spectral can be applied to characterize the microstructures of multi - phased alloy steels
利用窄帶信號頻譜分析技術靈敏度高的突出優點,選取中心頻率為1mhz的窄帶超聲信號,對上述不同熱處理試樣進行超聲功率譜分析,發現不同熱處理產物在功率譜主頻率、譜峰特徵(幅度、數量、分佈)等方面,都存在不同程度的差異。Finally, on the process of location selection for financial facilities, location evaluation and related models are discusses, the related models includes antitheses, the classificatory grade method, neural network model and so on., then the " demand power " and " supply power ", which is associated with the location selection for financial facilities are discussed. the spatial efficiency and spatial effectiveness. which considered the space reciprocity of some factors, is also brought forward
最後在探討在金融網點選址過程中的區位評價概念及其有關模型,諸如對比分析法、分級評分法、神經網路分析法以及針對金融網點選址過程的「需求能力」與「服務能力」指標的分析,還有考慮相關因素的空間相互作用的空間效果和效率指標的分析模型。分享友人