約化波數 的英文怎麼說
中文拼音 [yāohuàbōshǔ]
約化波數
英文
reduced wave number-
The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings
顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性，以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者，八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期，在斜倚卻永不沒落的仙后座那三角形上端，一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時，出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時，出現在仙女座中之後又消失，小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失，以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起源的實際存在或假定存在的星斗183 。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position
首先，用基於幾何結構的單次反射圓模型和cost - 207模型，對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束，將傳統的解無約束的非線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的非線性最小二乘定位問題；然後，用內點罰函數法估計移動臺的位置。The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。Simulated annealing of multi - parameters optimization is the simulated annealing wave impedance inversion with some constraints, including s / n ratio, adjacent - channel correlation, deviation of initial model, and threshold value of reflection coefficient
摘要多參數優化的模擬退火法波用抗反演是通過調整地震資料信噪比，相鄰道的相關性、初始模型偏差、反射系數門檻值等約束條件進行地震資料反演的。This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method, respectively. examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented. compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly
提出了一種簡單、易於實現的恆定束寬波束形成器設計方法，該方法對陣形和陣元指向性沒有任何限制；分別提出了基於陣列接收數據重采樣、基於dft插值和自適應綜合的三種具有頻率不變波束圖的寬帶波束形成器設計方法，對于每一種設計方法都給出了一個設計實例並做了性能分析；提出一種基於dft插值的簡化線性約束最小方差寬帶自適應陣列演算法，該方法可以大大降低自適應陣列的運算量。This article introduces the designs of commonly used bellows tube and the optimization designs of bellows tube aim at economizing the material cost. some parameters acquired from experience curve can be borked out by lagrange linearity insert method
本文介紹了波紋管常用波形的設計和以節約材料成本為目的對波形結構進行的優化設計，對設計公式中一些由經驗曲線獲得的參數，採用拉格朗日線性插值法進行求解。This software is composed of three modules : the pre - processing, analysis and calculation and post - processing. in the pre - processing, it includes automatic generation of structural meshes, adding contraints and loads and so on ; in the analysis and calculation, the wave - front is used to calculate and establish data files related ; in the post - processing, strong and visual function of vc + + is utilized to display structural deformation graph, contours as well as color cloud pictures. in this last processing, deformation graphs are divided into two types - boundary deformation graph and entire deformation graph in order to show deformation condition entirely ; contour graph comprises isodisplacement graph and isostress graph ; color cloud picture comprises cloud picture of displacement and that of stress, whose drawing principle is isoparametric mapping method
該軟體由三個模塊組成，即前處理、分析計算和后處理。在前處理模塊中，主要包括結構網格的自動剖分、施加約束以及載荷等；在分析計算模塊中，採用波前法計算並形成有關數據文件；在後處理模塊中，利用vc + +強大的可視化功能自動整理計算成果並顯示結構變形圖、等值線圖和彩色雲圖。其中，變形圖分為兩種?外框變形圖和整體網格變形圖，以便能綜合顯示變形情況。Furthermore, it is insure that the carrier pahse measurement data does not have cycle slips in gps based attitude determination system, using phase rate prediction algorithm and baseline length constraint information algorithm, the cycle slips can be detected and corrected successfully, which markedly reduce the initialization numbers of attitude determination system
此外，在gps姿態測量系統中，必須保證載波相位觀測數據中無載波相位周跳，本文提出的多普勒預測演算法和基線長度約束相結合的方法能有效的檢測和修正載波相位整周模糊值固定前和固定后的周跳問題，減少了姿態測量系統重新初始化的次數。The dissertation presents an automatic flow to characterize and model cells accurately and quickly by the stimulus reduction algorithm, the input signal driving algorithm, the characterization point dynamic insertion algorithm, the result table optimization algorithm and input signal integrity analysis algorithm, which reaches the advanced level in this field
本文給出了深亞微米工藝條件下單元工藝參數提取和建模的完整流程，該流程能快速精確地完成單元工藝參數提取和建模。文中提出的激勵波形約簡演算法、輸入信號驅動演算法、測試點動態插入演算法和結果表優化壓縮演算法等，達到了國際同類研究的先進水平。First of all, for uncertain systems and state - delayed uncertain systems, the residual generators are constructed based on full - order filters, and the fault detection and isolation problems for these two classes of systems are reduced to h filtering problems by using h control theory. the fault detection filter design is formulated as convex optimization problem subject to lmi constraints in terms of linear matrix inequalities, which can be solved readily by using standard numerical software
首先，針對非時滯不確定系統和具有狀態時滯的不確定系統，採用全階濾波器構造殘差產生系統，利用h控制理論將這兩類系統的故障檢測與分離問題轉化為h濾波問題，採用線性矩陣不等式技術將魯棒故障檢測濾波器的設計轉化為具有線性矩陣不等式約束的凸優化問題，可利用標準的數學軟體求取。Then detailed, analyze the agriculture public fiscal expenditure scale through the years, made a conclusion that the total amounts of agriculture fiscal expenditure increase continuously, however the scale descends continuously. comparing with other province, henan agriculture public finance expending is very low in scale. inquiry into agriculture public finance expending scale descent, and predict future 10 - year agriculture public finance expenditure total amount ; make use of the quantitative analysis method analysis henan province agriculture public finance expenditure benefit, include the agriculture public finance expenditure to the contribution of agriculture increase, the flexibility coefficient of the agriculture public fiscal expenditure, agriculture public fiscal expenditure construction performance etc, and analyze to make the factor that invite performance ' s develop ; finally, on the above analytic foundation, put forward public finance frame bottom agriculture public fiscal expenditure funds management mode
本文首先在導言中闡述了國內外關于農業財政支出的相關理論，為后續的研究提供理論基礎和分析的方法論；然後詳細、具體地分析歷年來河南農業財政支出規模變動情況，得出農業財政支出總量雖不斷增長，支出規模卻在波動中不斷下降、與其它省份相比河南農業財政支出規模偏低的結論，探討了河南農業財政支出規模下降的原因，並預測未來十年河南農業財政支出總量；接著運用定量的分析方法分析河南農業財政支出效益情況，包括農業財政支出對農業增長的貢獻，農業財政支出的彈性系數變化，農業財政支出結構效益等，並分析制約效益發揮的因素? ?農業財政支出資金管理不善；最後，在上述分析的基礎上，提出公共財政框架下農業財政支出資金全過程管理模式，具體包括：農業財政支出投放體系、支農資金管理體系、支農項目管理體系、評估體系、決策體系以及監督體系等六大體系。Then the result of certain k - shortest path algorithm is introduced as a set to be chosen by both the simulated anneal algorithm and heuristic algorithm, concerning the end - to - end traffic requirement and restriction on link bandwidth. afterwards, the effect of the value k on the outcome of the simulated anneal algorithm is researched. the network resource is allocated, while the study of link protection problem on traffic routing is introduced and two types of protection, shared protection and dedicated
首先考察實際的網路模型，根據業務需求，引入k路由演算法的結果作為模擬退火演算法和啟發性演算法備選路由集合，在鏈路帶寬有限的約束下對網路資源進行分配，同時引入業務路由的通路保護問題的研究，實現了共享保護和專用保護兩種通路保護方式;針對全波長轉換網路和無波長轉換能力網路，根據為所有連接請求所分配的總資源最少和滿足請求的業務數目最多兩種優化目標對資源分配進行優化，研究了備選路由集大小對模擬退火演算法結果的影響;對模擬退火演算法與啟發性演算法的However, the green compact ' s density has little effect on the highest sintering temperature and time. after optimizing the technological technique, the parameters on microwave magnetic sintering of ndfeb magnets were chosen : the powder with average particle size of 3 m was isostatically pressed at 2000kg / cm2, and the shape of the green compact is 18 6mm
進行工藝優化后，我們所選用的微波燒結參數為：微波功率2kw ，粉體的平均粒徑3 m ，壓型壓力2t cm ~ 2 ，初坯為18 6mm的圓柱體，燒結最高溫度約為900 ，燒結的時間70s左右。Therefore, wool dyeing at low temperature in short time is feasible from the view of technology and economics ; it has a bright feature in dyeing industry
結果表明，超聲波染色不僅可以提高染料的平衡上染百分率，節約能源和降低染色成本，而且還可以加快上染速率，增大擴散系數，降低染料上染的活化能。The main result of this part is the following, by using the method of characteristic curves for solving linear partial differential equations, the whole classification of the integrals of motion of the reduced three - wave interaction system is obtained with the condition of some parameters. rigorous proof is given. this part consists of three sections
本部分的主要結論如下，應用解線性偏微分方程的特徵曲線法研究了約化的三波相互作用系統的運動積分，給出了在一定參數條件下系統所有的運動積分，並嚴格證明了這些結論。Given the multicast request, the optimal object of the problem is to minimize total number of conversions required. in wavelength assignment, we should consider the requirements that the number of needed converters along the path from multicast source node to any member cannot be larger than specified value because of the signal distortion introduced by wavelength converters. at last, we present several dynamic programming to get the exact optimal wavelength assignment scheme under session blocking policy and destination blocking policy
考慮到波長轉換器引入的信號失真和噪聲，引進了失真約束，即要求從組播源結點到每個組播成員的路徑上使用的波長轉換器數目均在指定的范圍之內;對于給定的組播需求，優化目標是在滿足失真約束的基礎上使整個組播樹上使用波長轉換器的數目最少;並使用動態規劃給出了sbp和dbp兩種連接建立策略下精確的最優波長分配演算法。With the intensive and scale development of modern greenhouses and the advancement of their intelligent management, present - day greenhouse technology is witnessing a trend of integration of greenhouse production and its management through remote communication. the development of modern sensor technology, communication technology, automation technique and computer technique add fuel to the fire for this trend. the remote communication interface for greenhouse data acquisition system is designed and discussed in this paper as the research focus
隨著現代溫室朝著集約化、規模化方向的發展和溫室管理智能化要求的提高，溫室測控系統實現遠程通信，進而實現溫室內生產與管理的一體化，是現代智能溫室發展的必然趨勢；現代傳感器技術、通信技術、自動化技術和計算機技術的發展，又為這一發展趨勢推波助瀾，本文就這一研究熱點，集中對溫室數據採集系統遠程通信介面進行了設計探討。Tal series high exchange filter installation, 6 - 35kv exchange mainly for electricity grid, as scheduled filter out the high harmonics currents, reducing grid voltage sinusoidal wave distortions rate, while providing compatibility for mouttalos no credit, improve the power factor lines, lowering the depletion, save energy, clean grid
的電力交流電網中，作為濾除預定的高次諧波電流，降低電網電壓正弦波畸變率，同時為基波提供容性無功提高線路的功率因數達到降低損耗節約電能凈化電網的目的。In this paper, the interaction with the nonlinear gravitational waves in the baroclinic atmosphere, which is one of the causes of outbreak weather, is studied. there are four parts in this thesis : first, based the dynamics equations describing the fact atmosphere, we gained the mode of the nonlinear gravitational waves
本論文根據大氣動力學原理，對中尺度動力學方程進行約化攝動，得到了大氣中非線性重力波相互作用的演變方程組，對該方程組進行了理論研究和實際大氣背景下的數值求解，結果較好地解釋了兩類重大災害性天氣形成的機理。分享友人