低預測數 的英文怎麼說
中文拼音 [dīyùcèshǔ]
低預測數
英文
low projection-
First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。5 the fugacity coefficients, residual enthalpies and residual entropies of the pure fluids at low temperatures and high pressures were predicted with the general quintic virial equation
10 。 5用上述通用五次維里方程預測了純流體在低溫高壓下的逸度系數、剩餘恰和剩餘嫡。The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment
利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測,通過與實驗數據進行比較,預測的低共熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures
在本文中,通過與國外同類材料的性能進行比較,國產材料與國外材料共有的材料特徵基本相同;對轉子鋼( 30crlmolv鋼)進行了不同溫度下的低周疲勞性能實驗,研究其在不同溫度下疲勞壽命,以彌補國外對同類鋼材測試的不足;採用拉伸數據預測低周疲勞壽命時發現,室溫條件下用四點關聯法在中低壽命區預測較好,在高溫條件下四點關聯法和通用斜率法都有較大誤差,需要進行改進。The efficiency and reliability of minerogenetic prediction can be improved by combining rs with gis. we processed rs images, extracted the geological information related to mineralizing, such as geology, structures, stratam, rocks, etc, synthetically analysed remote sensing, the geological data and geo - chemistry, under the guidance of the theory and mathematic model, set up gis mineralize model. on this condition, to develop this method and its theory, and to establish a system of perfect prediction, it is not only useful in studied degree area but also favorable for looking for new type and some form large - scale deposits in old studied area, and it has a great theoretical meaning
遙感與gis相結合用於成礦預測中可大大提高預測工作的效率和可靠性。通過對研究區的遙感圖像處理和地質、構造、地層、巖石、礦化蝕變等有關信息的特徵提取、遙感、地質數據和物化探數據的綜合與復合分析,在一定成礦理論和數學模型指導下,建立gis綜合找礦模型。在此基礎上,發展這一方法及理論並建立完善的預測體系,不僅對研究程度較低的新區礦床預測有用,而且對研究程度較高的老區尋找新類型和點狀大型、超大型礦床都具有重要理論意義和實際意義。( 2 ) according to the advantages and disadvantages of plural information, the author analysed suited conditions and ranges of different predictable models. confirmed the mathematic model to be adopted in the studied areas. practice indicating : algebraic method can be used in those area where study degree is very lower. ( 3 ) author studied the mineralize prediction model of plural information based on cis, discussed the applications of different mathematic models, and also solved inaccurate which analysed only by normal maps in the past
實踐表明,代數疊加法比較適合於地質研究程度較低的地區; ( 3 )研究基於gis的多元信息成礦預測模型,探討基於不同數學模型之上的成礦預測適用條件和范圍,解決了以往傳統方法中僅通過紙質地圖進行簡單分析的不精確性; ( 4 )通過對研究區成礦有利區預測成果的級別劃分,提出用結果分佈統計圖輔助分段的方法對結果值進行分段。After generalizing the characteristic of modern equipment, the mission of equipment management and general situation of chinese equipment management, basied on two forms of equipment management - - - - - - practicality & value, the author combined quantitative & qualitative methods with example to analyze and discuss questions, especially the reasonable update & depreciation, accordingly achieving the optimization of the technical efficiency & economic benefit 0 one of emphases of the thesis is methods application of equipment reasonable update, that is starting with economic benefit to looking for reasonable using fixed number of year. the thesis used inferior - converted numeric method and rate equation which based on the theory square and combined with harbor loading machines & tugboat ' s actual facts, calculated the economic life of the same machine in order to make sure harbor machines " reasonable using fixed number of year. at the same time, the author made use of midpoint value regress method and stochastic trapeziform forecast method to calculate and analyze and gain the reasonable conclusion o the other emphases is questions of harbor equipment
本文概括介紹了現代設備的特點、設備管理的任務以及我國設備管理發展的概況后,作者從設備經濟管理的兩種形態? ?實物形態和價值形態出發,採取定量與定性相結合,以定量為主,結合實例進行分析與論述,對港口設備的合理更新與折舊問題進行了著重研究,從而實現設備的技術效能和經濟效益的最優化。本文研究的重點之一是設備合理更新的方法應用,即從經濟效益出發,來尋求設備的合理使用年限。本文結合港口裝卸機械和港作拖輪的實際,運用以正方形理論為基礎的低劣化數值法和費用方程兩種方法,計算了同一種機械設備的經濟壽命,從而確定港機合理的使用年限,同時,運用了中點值回歸法和隨機梯形預測法進行計算和分析,得到了合理的結論。The hong kong observatory commenced the ultraviolet index forecast today 11 may 2006. the service will enable members of the public, when planning outdoor activities, to adopt appropriate protective measures against possible harm from uv radiation
香港天文臺今天二零零六年五月十一日推出紫外線指數預測服務,方便市民計劃戶外活動時,能夠採取適當的防曬措施,以減低紫外線對身體可能造成的傷害。In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively
而melp語音壓縮編碼演算法是在線性預測編碼參數模型的基礎上,採用混合激勵的形式,並且結合了多帶的思想,因此它擁有線性預測編碼和多帶激勵的優點,是目前低速率語音編碼中一種比較理想的編碼方案,也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理,對它的編解碼過程作了比較深入的研究,對其中的一些公式進行了理論推導,並作了模擬分析,最後研究了該演算法的c語言實現。A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated
它首先在總體上根據緩存器的佔有率給每幀預分配比特數,然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制,解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法,即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮,編碼器復雜等不足,討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法,提出了3 - ddct系數的三維「 z 」形掃描方案,大大提高了編碼效率。The entire set of data agrees well with theory only if certain interactions of particles with the lightest higgs boson are included and only if the lightest higgs boson is not heavier than about 200 proton masses
只要理論涵蓋了粒子與最輕希格斯玻色子的某些交互作用,且最輕希格斯玻色子的質量低於200個質子的質量,整組數據便與理論的預測大致相符。This paper discusses that two chinese ways of expressing passive meaning - the ideational passives without marked words and the passives with marked words exemplify the principle of quantitative iconicity, and the former express the conventional high - predicted information in simple forms, while the latter express the unconventional low - predicted information in complex forms
摘要漢語被動含義的表達式無詞項標記的意念被動句和有詞項標記的常規被動句體現了數量象似原則,前者以簡單的形式表達了規約化的、預測性高的信息,後者以復雜的形式表達了非規約化的、預測性低的信息。Applying forecasting and controls theory, the author analyzes the statistics data of civil use of urban gas in the wisco, establishes forecasting models for the daily and hourly gas consumption, and compares the model result with the real load. on this basis, the author maintains that it is necessary to adopt control measures and reasonably organize production. moreover, the author puts forward a feasible plan to improve the current production technology, in order to meet users " needs and meanwhile reduce cost of production and increase enterprise profit
運用預測與控制理論對武鋼民用煤氣歷史統計數據進行分析,建立了日用氣負荷和小時用氣負荷預測模型,將預測結果與實際負荷進行對比,採取控制措施進行生產調度,合理組織生產,提出了改變現行生產工藝的可行性方案,以達到既保證用戶需要,又降低生產成本,增加企業利潤的目的。In recent decades, a number of coastal engineering projects have much reduced the risk of coastal inundation and attack by waves on coastal facilities. timely weather forecast and warnings have also greatly reduced related casualties. regrettably, because of a general lack of understanding of swells, lives were lost every now and then
近數十年來,盡管多項海岸工程已大大減低香港沿岸設施遭受海水淹浸和海浪沖擊的危險,而適時的天氣預測和警報亦大大減少相關的人命傷亡,但可惜涌浪始終少人認識,以至多次造成傷亡事故。Wavelet transform, i. e. multi - resolution decomposition and reconstruction is also used to reduce noise
與數據未經濾波直接訓練網路相比,預測結果的平均絕對相對誤差降低了3 . 31 % 。The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard
我們的研究和改進工作包括:研究最優非均勻自適應量化器,及其自適應演算法;研究波形預測函數,以及函數零點、極點的自適應演算法;基於每n ( n 1 )個樣本所對應符號的概率統計,對預測殘差量化值再進行huffman編碼,進一步降低比特率。At short microwave and long millimeter wave bands, the ratios of the rain - induced attenuation on up - link to down - link are estimated on earth - space slant paths. a comparison of the prediction results with the experiment data in boston and kashima areas is carried out
在微波和毫米波低端,預測了地一空路徑上、下行鏈路雨衰減的比率,並與美國波士頓和日本kashima地區的實驗數據進行了比較,結果一致性較好。At the present time the prediction method of attracting pest with black light and recognizing and counting by man is generally adopted. there are some serious shortages such as bad recognition accuracy and low efficiency. it reduces seriously accuracy and timeliness of prediction and is disadvantage in guiding insect disease prevention
目前普遍採用的黑光燈誘集害蟲、人工識別計數的測報方法,存在識別準確性差、效率低等嚴重缺陷,極大地降低了測報的準確度和時效性,不利於指導農田害蟲的防治工作,因此本文提出了基於機器視覺和小波分析的圖像識別技術,用於農田害蟲的自動檢測預報。Following this idea, considering the serious information asymmetry and personal expect utility maximization in the double auction, we intends to construct a bidding model on bayesian nash equilibrium based on incomplete information games, consequently obtain a solution on each private values and maximum forecast price and minimum forecast price on the marketing. then, we analyze in detail the characters and possibilities of the offer strategy by means of computer simulation according to the experimental economics
在此基礎上,考慮到雙向拍賣中存在的信息嚴重不對稱和個人期望效用最大化,構造了該拍賣模式中基於不完全信息博弈的貝葉斯納什均衡模型並求解,獲得一個關于各自估價和市場最高及最低預測價格的線性函數的報價策略。The financial secretary has, in fact, heeded recent public opinions and maintained a higher expenditure growth of 3. 5 percent. this reflects the fact that at a time of economic recession, the immediate demand for social services may increase rather than decrease. but instead, it will add pressure to a more drastic reduction in expenditures during the next two years in order to broadly balance the budget
去年預算案中的預測數字顯示,公共開支的增長在今年將大幅回落至1 . 2 % ,但結果財政司順應民意,現時選擇了仍將開支訂定於3 . 5 %增長,除了反映經濟衰退時,社會服務需求可能不減反增的現象外,亦在未來兩年的中期內,有更大延遲壓力,去調低開支,求取預算的大致平衡。分享友人