行近速率 的英文怎麼說

中文拼音 [hángjìn]
行近速率 英文
approach speed
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 速率 : speed; rate; tempo
  1. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概和變異概是影響收斂度的重要參數,本文採用的改進自適應交叉概和變異概,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概和變異概,以保證演算法始終以較好的度向pareto最優解集逼
  2. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進實驗觀測的實驗方法,為進一步進分子束實驗提供了理論基礎,對實驗的進起到了一定的借鑒作用
  3. The approximate computation method is used in float point computation of system ' s control algorithms on fixed - point dsp after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements output voltaic with low harmonic and high control precision of frequency

    通過從運時間和佔用空間等方面比較在定點dsp上實現浮點數運算的幾種方法,並選擇了似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算精度的前提下達到計算的快性,實現低諧波和頻控制精度高的輸出電壓。
  4. Yanqi basin is an intermont basin of tian shan, there is a nww trending right lateral strike slip active fault in southwestern basin, its maximum slip distance is 210m, and slip rate is about 10mm / yr, moreover, there is a west - east trending active anticline along northern basin

    焉耆盆地是一個天山山間盆地,盆地西南緣發育一條走向北西西的右走滑活動斷層,最大走滑距離為210m ,走滑約10mm / yr ,盆地西北緣發育走向東西的活動褶皺。
  5. Contribution percentages about precipitation to runoff were calculated to divide rapid flow and slow flow in the model, the proportion of them of wuyandong subterranean stream system is 2 to 3

    通過降水對徑流的貢獻流和慢流的劃分,屋檐洞地下河系統的快流與慢流比例接2 : 3 。
  6. Then we conclude that the cell capacity decrease dramatically under the high bit rate service ; the interference factor of ajacent cells and the orthorgonal factor are also important parameters to influence the cell capacity ; the downlink can accept more users than uplink, so the capacity of wcdma system will be limited in uplink

    從中得到結論,高數據的用戶將會佔用更多的系統資源,當數據業務增多時,小區用戶數下降很快;鄰小區的干擾與正交性的優劣也是影響小區容量的重要因素;下鏈路可以比上鏈路容納更多的用戶,因此wcdma系統的容量將受限於上鏈路。
  7. It is well known, the multi - media can deal with tremendous data, in former web condition, confined to the velocity of the connected modem equipment, real - time transmission of the connected media is usually impossible, though it is possible to make the connection come into reality, the loss of the data is very serious, the transmission of the picture may pause or stop obviously and can not reach the ideal effect without practical operation, however, in recent years with the development of the new development in connected web technology, such as xdsl and the mature popularization of the broad band technology like optical fiber

    眾所周知,多媒體的數據吞吐量往往十分巨大,在以前的網路狀態下,受制於modem等網路接入設備的條件,連續媒體的實時傳輸往往是不可能做到的,即使能夠勉強連接成功,其數據包的丟失現象也是十分嚴重的,圖像的傳輸有明顯的停頓甚至停止的現象,達不到理想的效果,所以並不具有實際的可性。但隨著年來網路接入新技術的發展,如xdsl 、光纖等寬帶技術的成熟和廣泛應用。
  8. Meanwhile, the relatively sea - level rise in the past decades were assessed by studying the tidal gauge records over the past 33 years, from 6 stations along mid - jiangsu coast

    同時應用江蘇中部沿海6個驗潮站幾十年來的潮位記錄資料對輻射沙洲區期的相對海面上升了估算。
  9. Based on the studies in sea - level rise and response of coastal zone by domestic and foreign researchers, integrated with the essential characteristics of jiangsu coast and the radiate sand ridges, laid emphasis on the effects of sea - level rise on the radiate sand ridges and the tiaozini sands in it ' s center region, the following case were discussed in the paper. ( 1 ) the recent relative sea - level rise in the region of the radiate sand ridges found on the structural and sedimentary features of the radiate sand ridges, the rate of regional land subsidence was calculated ( structural, balanced and compressed subsidence were considered respectively ). the latest assessment of global sea - level rise in the past century that was carried out by ipcc was cited

    本論文在總結國內外對海面上升及其對海岸帶影響的研究基礎上,結合江蘇海岸及輻射沙洲區的基本特徵,以相對海面上升對輻射沙洲及其中心部位的條子泥的影響為重點,討論了以下幾個方面的問題: ( 1 )輻射沙洲區期的相對海面變化根據輻射沙洲區的構造和沉積特徵,對區內地面沉降分項計算(包括構造沉降、均衡沉降和壓實沉降) ,並引用ipcc最對過去100年來全球絕對海面上升的評估。
  10. Solving the rate equation numerically, the influence of the factor a and the reflectivity r on the transient characteristics of the ecld has been analyzed when the shape of the hysteresis loop looks like a parallelogram approximately

    通過對方程組進數值求解,分析了當ecld雙穩環呈現似的平四邊形時,譜線展寬因子和ld鍍膜端面反射r對雙穩跳變瞬間動態特性的影響。
  11. The relaxation oscillation in solid - state laser with relaxation oscillation pumping is studied theoretically by the rate equation. the undulation of the laser photon density contains relaxation oscillation frequency itself and that of pumping. when those two frequencies are close, the oscillation will be resonated

    我們用方程小信號似方法對泵浦帶有弛豫振蕩的固體激光器的弛豫振蕩的特性進了系統的理論研究,發現實際光子數的起伏同時具有自身固有的弛豫振蕩頻和泵浦光的弛豫振蕩頻兩種分量。
  12. At the same time, as more and more radio sources have been set up, electromagnetic pollution in urban area becomes more serious, which is harmful to people ' s healthy and communication system so it is necessary to simulate the electromagnetic propagation in urban area by computer being an approximate hf method in evaluating em scattering , the complex ray method ( crm ) is valuable in actual applications , mainly benefited from its simple physical model , convenient mathematical formulation and computational efficiency, especially with the scenes of scattering from complex objects based on the condition mentioned above, a hybrid ray model of the urban area electromagnetic wave propagation prediction was established with the foundation of ray tracing theory and complex ray theory

    復射線技術作為一種求解波場問題的高頻似方法,由於其具有物理模型簡單、數學處理方便、計算效高等優點,在復雜的目標散射特性分析等應用領域中有著重要的應用價值。基於以上的情況,本文在射線追蹤理論和復射線理論的基礎上,為城區環境建立了混合射線預測模型。本文採用橢圓模型對已有的射線追蹤方法進,並將復射線理論應用到城區環境電波傳播預測中,提出新的預測方法混合射線方法。
  13. Further measurements for the deposited films indicate that the appearance and the deposition rate of the films also vary. after we simulate the magnetic field in such case with c program, these variations are owed to distributed change of magnetic field near the target surface and in the discharging space, which can influence the motion of charged particles in the plasma obviously

    進一步對沉積薄膜的測量表明,薄膜的沉積等發生了變化,通過對空間磁場進模擬計算發現,由於空間外加的縱向磁場引起了放電空間中以及靶面附磁場分佈的改變,影響了等離子體中帶電粒子的運動並最終導致了上述變化。
  14. The relationship between sputtering conditions and the depositional speed shows : with working pressure 1. 2 pa, sputtering power 180w, the depositional speed of tio2 thin film is 40nm / h, and increases with the increasing of sputtering power. it can be also founded that the depositional speed is nearly proportional to the working pressure : within the range of 0. 3pa to 1. 6pa, the depositional speed increases linearly with the increase of ar pressure. with the enhancement of the substrate ' s temperature of sputtering or annealing, the resulted thin films show a tendency of decreasing in thickness, and increasing in refractivity

    本實驗是採用磁控濺射方法,在不同的溫度下制備了tio _ 2薄膜,並對薄膜進了不同溫度和時間的退火處理,通過原子力顯微鏡( afm ) 、 x射線衍射( xrd ) 、掃描電鏡( sem )等檢測手段對薄膜的表面形貌和組成結構進了分析,結果如下: ( 1 )濺射工藝條件與薄膜沉積度的關系表明:採用1 . 2pa工作氣壓, 180w的射頻功tio _ 2薄膜的沉積為40nm h ,並隨射頻功的增加而提高,呈似的線性關系,在0 . 3pa 1 . 6pa氣壓范圍中,氬氣壓強升高沉積增加,濺射溫度提高和退火處理能使薄膜的厚度減小和折射提高。
  15. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5

    將腔內光子密度和初始反轉粒子數的平面波似修正為高斯分佈似,獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的方程,並通過數值求解該方程比較了兩種似下脈沖特性的不同; 5 .實驗驗證了2中提出的實驗方案,並對實驗結果進了分析。
  16. In recent years, radio technology has developed very quickly in our country. however, a radio monitoring receiver with broad frequency scale ( 20 - 3000 mhz ), high scanning rate ( above 1ghz / s ) and whole spectrum real - time display has not developed. some imported monitoring receivers with broad frequency scale can only scan slowly and could n ' t meet actual needs. not only these imported receivers " price is high but also those developed countries usually limit the quantities of imported receivers and related technology is not open

    年來我國無線電技術水平已經有了很大發展和進步,但對于頻覆蓋范圍寬( 20 - 3000mhz ) 、掃描度快( 1ghz / s以上)並具備快全頻段實時頻譜顯示和記錄的無線電監測接收設備,目前我國尚不能生產,國內現在已經進口的寬頻段監測接收機一般也只能進掃描,無法滿足實際的需要。
  17. In this paper, theoretical models for kinetic study of chromatography in recent years is summarized and several kinds of models used commonly are described such as general rate model, lumped pore diffusion model, equilibrium - dispersive model and transport - dispersive model, and their characteristics and application range are discussed

    本文對年來色譜分離動力學研究常用理論模型的發展進了綜述,重點介紹了普遍化模型、集總孔擴散模型、平衡擴散模型和傳遞擴散模型4種常用的色譜模型,並討論了各模型的優缺點及應用范圍。
  18. Another possible point of contention during the four days of closed sessions in paris this week may be assertions in early drafts of the report that the recent warming rate was blunted by particle pollution and volcanic eruptions

    在這個本周于巴黎舉,為期四天,不對外開放的會議中,另一個可能的爭論點是較早的草稿主張最的暖化受到懸浮微粒污染及火山爆發的影響而減緩
  19. ( 3 ) through dimension analysis, factors that affect the flow deceleration through frames are discussed. based on flume experiments, this study indicates the velocity near the bed decreases as the l / h increases, and the l / h decreases, the influence of frames height on the effect of velocity near the bed is not distinct ( 4 ) by 2 - d mathematical model, patterns of flow through frames are analyzed and the influence of different frame formations on the protection zone is researched, mean velocity in vertical decreases and protection zone enlarges as the l / h, b / b and a / h increases

    ( 3 )通過因次分析,探討了四面體框架群減的影響因素,並進了系列水槽試驗,得出:底流的減隨框架群相對長度l h的增加而增加,隨框架群相對間隔距離l h的增加而減小;框架群高度對底流的減影響不大,框架群高度的增加主要表現為減區的增高。
  20. In chapter three, all kinds of projects which may be used in current or future surveillant system, especially soc ^ sopc and multimedia processor, are analyzed and compared in detail. with the gradual maturation of hard - disk recording and the enhancement of pci bus, a corresponding plan of multi - channel surveillant system, which considers the feasibility of current technology and product cost, are put forth

    第三章就當前及將來可能用於監控系統的各種軟硬體實施方案作了深入的比較和分析,特別是soc和sopc思想以及當前流的多媒體晶元結構對於今后系統設計的影響;同時考慮到年來硬盤錄像技術的成熟以及pci總線的提高,就當前的技術可性以及實際產品成本提出了一套多路監控系統的實施方案。
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