針數不對 的英文怎麼說
中文拼音 [zhēnshǔbùduì]
針數不對
英文
e. stitch not as specified-
By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。Furthermore, due to the symmetry restriction of traditional radial basis function networks ( rbfn ) with gaussian function, the asymmetric gaussian basis function ( agbf ) is proposed to construct the full adaptive agbfn. because the asymmetry gaussian function ' s variability and malleability are higher than the traditional one, the asymmetry gaussian basis function can provide the agbfn which own a higher flexibility and can approach the true result more easily
針對這一問題,文中提出了一種全自適應的不對稱高斯基函數網路( agbfn )結構,網路的基函數採用具有不對稱寬度的偽高斯函數,和常規的高斯函數相比,具有更大的可變性和延展性,從而使得隱層神經元在函數近似上具有更高的適應性,提高了神經網路的學習能力。Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm
接著,對信號功率譜、平方譜及四次方譜進行研究,針對通信中常用的調制方式,結合前人提出的基於決策理論中的特徵參數,設計了一組對信噪比和信號調制參數不敏感的分類特徵參數,利用上述參數完成了一種基於信號頻域的識別方法,可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。After that, a fuzzy neural network control design with mixed performance was proposed aiming at different requirement to uncertainty, which separately compensate parameter uncertainties and external disturbances of robot system. this method can ensure the robust stability that under a prescribed attenuation level for the external disturbance, and also strengthens compensation to parameter uncertainties. the theory of hybrid force / position control is clear, however, it is difficult to implement
針對實際應用中對不確定的不同要求,又提出了一種具有混合/性能指標的神經網路控制方法,對機器人不確定性(包括參數不確定性和外部擾動)分別進行補償,保證了系統對外界干擾在給定的干擾衰減度下具有魯棒穩定性的同時,還增強了系統對參數不確定性的補償。In view of the problems existing in air traffic control system that there are many types of tracking information and quality of the information is not consistent with time segments technique, a new algorithm, which is based on data of multi - types sensors is presented of time normalizing - extrapolating for data time - alignment
摘要針對空中交通管理中的多種類型航跡信息以及信息質量不一致等問題,採用了聚類的時間片技術,提出一種基於多類型傳感器數據信息的時間歸一化外推數據對準演算法,融合航跡數據,提高了航跡信息的一致性和準確性。In this article, according to the theory of logic algebra inequality, the notion of inequality in lattice implication algebra was introduced, three typical basic unary lattice implication algebra inequalities in lattice implication algebra l were investigated, and some properties and corollaries were obtained
摘要針對邏輯代數中的不等關系提出格蘊涵代數不等式的概念,討論了格蘊涵代數中3類最基本的一元格蘊涵不等式,得到一些性質及推論。Furthermore, on the basis of adopting pzt ( lead zirconium titanate ) as the switched - capacitor dielectric, the output current of a single circuit unit is eight times as large as that of the former single circuit unit with identical technology process parameters
針對採用鋯鈦酸鉛鐵電薄膜( pzt )作為開關電容介質的設想,在工藝參數不變的情況下,計算機模擬結果表明,其單個單元電路輸出電流可提高7倍。Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result
文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨機過程( sirp )的建模方法,針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波,運用現代譜估計演算法對其進行建模和模擬,並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該方法進行了驗證The planned route is fixed according to sea area, ship condition and weather element. then we may correct the route, rudder and engine in the light of wind currency and obstacle as well as make control in accordance with actual state, economy and requirement to obtain the relevant avoidance data by using of ais or arpa and offer the corresponding navigational safe areas in connection with the various navigational areas and conditions
利用ais ( automaticidentificationsystem ,船舶自動識別系統)或arpa (自動雷達標繪儀)獲得相關的避讓數據,對相同海域航行的船舶態勢及船舶長度進行避航領域的推算,將其結果與實際調查的情況進行擬合和數據處理,針對不同的航行區域與條件,給出相應的航行安全領域。In this paper, we first analyze the input and output as well as cost - benefit rate of chinese livestock industry by the example of hog, beef, mutton and dairy cow. then, we choose the samples from different regions in different time, use the stochastic production frontier suggested by battese and coelli ( 1992 ), which is aimed at the panel data ( balanced or unbalanced ), and make the econometric analysis for the growth of hog, beef, mutton, and dairy cow. different from the former research for livestock industry, the efficiency measurement theory is introdiced into the growth model and the tfp is dissolved into technical advancement, technological efficiency and residual, the translog production function is used to make the estimation more precised
本文首先以生豬,肉牛、肉羊和奶牛為例對近年來我國畜牧業的投入產出和成本收益狀況進行了分析,然後採用battese和coelli在1992年提出的針對混合數據( paneldata )的隨機邊界生產函數形式,在不同地區選取一定的樣本,利用樣本省的時間序列與截面混合數據,對生豬,肉牛,肉羊和奶牛的增長因素進行了分析,與以往對于畜牧業增長研究不同的是,將效率測算理論引入生產增長模型,把全要素生產率分解為技術進步、技術效率和殘差項,並採取了更加符合實際的超越對數函數形式,使傳統上使用的索洛余值法得到改進,更深層次的剖析了我國畜牧業目前的增長方式。Aiming at the uncertainty brought by the rotating inertia and motor torque coefficient during the field weakening process, the mixed sensitivity robust controller based on inner mode principle is designed
在此基礎上,針對實際直流電機速度控制系統弱磁調速過程中存在的電機轉矩系數變化和轉動慣量等因素引起的參數不確定性特性,應用內模原理,設計了混合靈敏度魯棒控制器。Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure, stator tooth and magnetic saturation, the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values
摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題,分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法,提出了採用電機磁場能量微動法計算相繞組的參數,並對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。I consider, those involved in science and technology, irrespective if they are scholars or administrators of science and technology development, the most important, most precious character and morals is " respect facts and tell the truth ", even if such " facts, truth " sometimes are different to the opinion of most other people in the concerned field, and some times even completely different, they must still be able like the little boy in andersen ' s fairy tale " the emperor ' s new cloths ", fearlessly shout out : " but the emperor is wearing no cloths !
我認為,搞科學技術的人,無論學者還是科學技術管理者,最重要、最寶貴的品格是"承認事實,講真話" ,即便這種"事實、真話"有時可能與有關領域絕大多數其它人有所不同,甚至針鋒相對,也要能夠象安徒生童話"皇帝的新衣"中的那個小孩那樣,大膽的喊出"皇帝根本沒有穿衣服!The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control
經過分析研究,針對原來存在的問題,在控制方案上主要的改進措施有:充分、有效地利用了空壓機的內部參數數據,對空壓機的內部部件的運行情況實現了在線監視及故障報警;對空壓機採用了主、輔結合的運行方式,通過對空壓機加、卸載隊列的合理排序,使空壓機自動實現主機產氣、輔機進行氣壓調節,減少了空壓機的加載和卸載次數;在壓縮空氣壓力的穩定上進行了裕量控制,在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作;在節約電能方面對空壓機進行了卸載停機控制,當空壓機在一定時間內一直處于卸載狀態,系統就認為該空壓機沒有運行的必要,自動將其停機;完善了控制效果,增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。Firstly, sufficient conditions of lagrange stability for nominal unperturbed pendulum - like systems are derived based on the nonlocal reduction method. then the static state feedback controller design methods are presented for uncetain pendulum - like systems with time - varying norm - bounded parameter uncertainty to obtain robust lagrange stability. it is shown that the above problem can be reduced to the existence of the solutions to a set of lmis
在具體的推導過程中,首先基於非局部降階法,推導了高階標稱類擺系統lagrange穩定的充分性條件,然後基於此條件,針對具有范數有界參數不確定性的受控高階類擺系統,給出了使其魯棒lagrange穩定的狀態反饋控制器設計的充分性條件。To free developers of dealing with the sorts of exceptions that occur as a result of programming errors or that the program could not be expected to catch dereferencing a null pointer, falling off the end of an array, dividing by zero, and so on, some exceptions are nominated as unchecked exceptions those that derive from
對于因為編程錯誤而導致的異常,或者是不能期望程序捕獲的異常(解除引用一個空指針,數組越界,除零,等等) ,為了使開發人員免於處理這些異常,一些異常被命名為非檢查型異常(即那些繼承自The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance
在分析雙環控制問題時,針對直線永磁同步電動機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永磁同步直線電機動子質量變化、摩擦系數變化等造成的模型參數不確定性,電機運行期間存在磁密分佈變化、時間諧波等產生的推力擾動等,採用了ip速度控制器和h _狀態反饋控制器相結合構成直線伺服的內環控制器,並輔助設計了外環的pi位置控制器。Paper still analyses the graphics and construct request of nation criterion " plane express way and structure detail drawing of concrete frame shop drawing ", use data base theory to set up data base of " plane method ". the system use odbc technique read the data in the database, after treating, storage the new data to database. whole system is completed in vc + + 6. 0 environment
文章通過對框架柱鋼筋信息影響參數和構造要求的研究,建立框架柱鋼筋幾何信息的參數化圖庫;通過對「平法」構造詳圖中的數據、圖形、構造要求進行研究,運用數據庫理論詳細表達其中的內容,建立針對構造詳圖的數據庫;系統可直接調用數據庫的數據,當規范修改時,只需要改變數據庫的數據,對系統影響不大。In this paper, the control system of industrial boiler widely used in industrial production was studied. aiming at the nonlinear object of industrial boiler with instability parameter and difficult building math model, combining fuzzy control theory and neural networks theory, a adaptive controller built with compensatory fuzzy neural networks to control industrial boiler is proposed
本文對于目前在工業生產中廣泛應用的工業鍋爐的控制系統進行了研究,針對工業鍋爐這種具有非線性、參數不穩定、難以建立精確的數學模型的控制對象,結合模糊控制理論和人工神經元網路理論,提出用補償模糊神經網路構造自適應控制器實現對工業鍋爐的過程式控制制。The minimum requirement for sensitivity shall be such that a succession of not less than 20 breakdowns of the spark gap shall cause the fault indicator to register neither more nor less than one cunt per breakdown when the spark gap is open and is of the length shown above, with the current limiting impedance in series with the gap
在最底靈敏度測試的時候,應先接入上述要求的人工擊穿裝置,啟動人工擊穿裝置,使金屬板與金屬針間的火花間隙被連續擊穿20次,要求火花試驗機的擊穿計數器應記錄20次,對每次擊穿都應準確無誤地計數,不應多計也不應少計。分享友人