particle acceleration 中文意思是什麼

particle acceleration 解釋
粒子加速
  • particle : n 1 顆粒，微粒；微量，極少量。2 【物、數】粒子，質點。3 【語法】虛詞，不變詞〈冠詞、副詞、介詞、...
  • acceleration : n. 1. 加速；促進。2. 【物理學】加速度；變速。3. 【教育】加速升級。
  1. At first sight, laser beams and charged particle beams do not seem well suited for particle acceleration

    乍看之下，雷射光束和帶電粒子束似乎並不適用於粒子加速上。
  2. In chapter one, we make a review of particle acceleration theory and the use in solar corona. in chapter two, first we get the spectrum of synchrotron radiation then obtain the electron energy spectrum. in last chapter, we select the typical solar active region parameter to compare our result to the observation and discuss the acceleration mechanism

    本文第一章對粒子加速理論以及目前各種加速理論在太陽日冕中的應用作了介紹；第二章通過理論計算得到同步加速輻射譜以及電子能譜；第三章選取太陽日冕中典型參數，對同步加速輻射加速日冕快電子作了簡單討論。
  3. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  4. The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse doppler shift frequency changing rate. to sum up, this paper studies the key problems in soplat based on particle kinematics and some solutions to them

    總而言之，本文系統地研究了基於質點運動學的單站無源定位與跟蹤領域的主要關鍵技術問題並提出了相應的解決方法，其中某些分析結果和方法可直接應用於實際的工程應用。
  5. Since the chandra data shows that particle acceleration is still occurring in this hotspot, the jet must have struck the companion galaxy relatively recently, less than about a million years ago ( i. e. less than the light travel time to the hotspot )

    錢德拉的數據顯示熱點中的物質仍在被加速，因此噴流撞擊伴星系的事件應該發生在不久前，大約不到100萬年（少於光線運行到熱點的時間） 。
  6. In a constant electric field, a charged particle experiences constant acceleration.

    在恆定電場中，帶電粒子得到恆定的加速度。
  7. The generation of energetic ions during the interaction of a linear - polarized ultra - short ultra - intense laser pulse with solid targets are examined by particle simulation. three energetic ion populations are observed and the acceleration mechanisms are analyzed, respectively. the first population is pulled out from the target by the electron jet in front of the target

    模擬觀察到三群高能離子的產生，並對其加速機制一一進行了分析:在靶的前部，向外噴射的高能電子在靶前形成電子云，將一部分離子拉出靶面，形成第一群高能離子;激光驅動大量高能電子向靶內輸運，這些電子牽引靶前部的離子向前加速，形成第二群高能離子:高能電子很快穿透靶，在靶后形成電子云，加速靶后表面處的離子，形成第三群高能離子。
  8. The high precision time - interval measuring instrument ( hptimi ) is manufactured for the rigorous requirement such as high precision, high stability and multi - channels in detonation experiment and particle acceleration experiment

    高解析度時間間隔測量儀正是應爆轟物理實驗中高可靠性、高精度和多通道等測量要求而研製的，其使用有助於使爆轟與粒子加速等物理實驗的電子測量技術達到一個新的水平。
  9. The precise time - interval measuring is widely used in all kinds of scientific experiments, especially in some large - scale physical experiments such as detonation experiment and particle acceleration experiment, in which some important parameters are obtained by time - interval measuring

    精密時間間隔測量廣泛地應用於各種科學試驗中，特別在爆轟與粒子加速等大型物理實驗中，有很多重要的物理參數就是通過時間間隔測量而間接獲得的。
  10. The particle collection facility was developed based on the rule of particle colliding and congregating in high acceleration srm. the coagulate pattern of particle was gained through electron microscope scanning. percentage distribution of particle numbers and mass according to particle diameters was obtained

    通過粒子收集試驗和對收集到的粒子進行電鏡觀察，分析了粒子的聚集特點，獲得了試驗條件下的顆粒數分數和質量分數隨顆粒直徑的分佈曲線，並針對溫度因素進行了修正。
  11. Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume

    結合水泥石強度試驗和xrd試驗，從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理；從這四個方面出發，對比分析了納米硅粉和普通硅粉作用機理的異同點，分析表明，納米硅粉的優異特性主要表現為顆粒細度、晶體結構、表面羥基等特性。
  12. Compared the measure result of laser holographic in normal motor offered from reference with experimental result, the conclusion was achieved : particle size under high acceleration condition was greater than normal. 4

    通過與文獻中非聚集狀態粒徑分佈的測量結果相比較，證明聚集條件下顆粒的直徑要比普通條件下顆粒直徑大得多。
  13. The event gave us a good opportunity to discuss the processes of magnetic change, energy release and particle acceleration in the corona during the preflare, especially using decimetric and microwave fine structure data. in this thesis, we report the solar type iv bursts and its associated fiber fine structures recorded on 14 july 2000

    中國國家天文臺懷柔觀測站的寬帶頻譜射電望遠鏡，觀測到了來自內日冕區的射電爆發及其精細結構，攜帶著耀斑爆發初期磁場變化、能量釋放的豐富信息，很有必要對其進行深入的理論分析和計算。
  14. Radiation of solar particle and nontidal acceleration of earth

    太陽粒子輻射與地球自轉非潮汐加速度
  15. In order to explore the influence of particle diameter on flow field and ablation, particle collection experiments under simulated acceleration conditions were conducted and diameter distribution was obtained

    為分析粒徑對流動計算、燒蝕的影響，開展了模擬過載條件下的粒子收集試驗，獲得了在聚集狀態下的粒徑分佈。
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