distance constant 中文意思是什麼

distance constant 解釋
距離常數
  • distance : n 1 距離,路程。2 遠隔,遠離;遠處,遠方。3 (時間的)間隔,長遠,長久。4 懸殊。5 隔閡,疏遠。6 ...
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  1. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的選擇原則,並構造了基於rs碼的寬間隔頻率捷變序列族。
  2. For the measured value of the hubble constant, this distance is about 14 billion light - years

    由量測到的哈伯常數值來推斷,這個距離大約是140億光年遠。
  3. Orbital velocities in spiral galaxies, instead of declining with increasing distance from the galactic center, flatten out to a constant value, as predicted by mond

    螺旋星系中的軌道速度並不會隨著離開星系中心的距離增加而不停降低,它會平緩下來成為一固定值。
  4. Following this, a new phenomenological eos along isotherms that may be used at high pressures for nacl - type and cscl - type alkali halides, metals, periclase ( mgo ), rare - gas xenon solid, and so on, is presented, by making use of the definition of short - distance repulsive force constant ( a ) and the phenomenological function a ( r )

    在此基礎上,從短程排斥力常數a的定義,及其與原子間距r唯象函數出發,提出一個可應用於相對高壓下的新的等溫固體物態方程,並對它的有效性和應用性進行了研究與討論;本文還在實驗數據的基礎上,運用了等壓過程中anderson - gr (
  5. The result is " constant distance " - exceptional yardage, shot after shot

    結果是在重復擊球后的"正常距離" -再增加額外的碼數。
  6. In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam

    同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸,測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強,實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小,且分佈近似貝塞爾分佈,符合無衍射光束的特性;經過聚焦后,呈現三維分佈中空的光束bottlebeam ,實驗結果與理論分析基本吻合。
  7. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明:當塵埃粒子的溫度較低時,塵埃粒子主要集中在圓柱形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子空間電荷的影響,離子在該區域的密度最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫度較高時,塵埃粒子分佈的區域和高離子密度區域擴大,塵埃粒子離放電器中心越遠,攜帶的負電荷越多。
  8. This technology maintains the torch at a constant stick - out distance, so you get uniform results around the circumference of the weld

    此技術讓焊炬保持一個固定的電弧長度,使管道外焊縫有一致的品質。
  9. By responding to changes in distance, you can maintain an almost constant ratio between texels in the impostor image - ideally this ratio would be 1 : 1

    對距離變化的回應是,你可維持視點替用特效紋理的紋素之間的一個幾乎恆定的比率?比率的最佳理想值應該是1 : 1 。
  10. If we know the value of the hubble s constant, we can determine the distance of a galaxy by means of hubble s law

    例如上例中的星系,如果哈勃常數是60的話,它便距離地球150百萬秒差距。
  11. Under our task experimental condition, we calculated the sensitivity of our planning to develop dial system with direct detection, besides, we studied the relationship between the sensitivity of measurement and atmospheric refractive - index structure constant and applied matlab program simulated the system parameters such as beam diameter, laser divergence angle, detection distance and gained relevant relationship curves

    在課題實驗條件下,模擬計算了直接檢測dial系統的測量靈敏度。在考慮大氣折射率結構常數對系統測量靈敏度影響的基礎上,並對各種系統參數如光束半徑、束散角和探測距離對測量靈敏度的影響運用matlab程序做了模擬計算,為合理選擇系統設計參數提供了依據。
  12. The results demonstrate that the theory predicted values of compression, bulk modulus, linear expansion, and thermal expansive coefficient of compressed solids are very agreement with the corresponding experimental data. in summary, the error with respect to theory prediction and its causes are pro bably analyzed in detail. the discussion suggests that the function of the phenomenological short - distance repulsive force constant a ( v ) and approximation for anderson - griineisen parameter 5t ( v ) proposed in this paper are valid and applicable in high pressures ( up to loogpa ) and high temperatures ( from debye temperature 0d to melting temperature tm ) for many types of solids

    在本文最後一節,為了驗證固體在等壓過程中anderson grhneisen參量乓與體積膨脹的唯象假設:乓久w兀的有效性,及由此假設而推導出來的等壓態方程的廣泛應用性,本論文主要針對十六種堿金屬鹵化物、三種堿性氧化物、三種硅酸鹽礦物質的線膨脹八n 、體積熱膨脹v vo ( n 、熱膨脹系數a ( n 、體積彈性模量肘d等隨溫度的變化作了理論上的預測,且與相應的實驗數據作了比較與分析
  13. Since the distance between the moon and the earth is not constant, the angular size of the moon can have a small variation

    由於地球和月球的距離並不固定,所以在地球看來,月球的角大小亦會出現變化。
  14. The course demands constant attention as a combination of tree - lined fairways and diverse rolling terrain require precision, rather than distance

    在賽道上需要球手全神貫注,因為在這里,樹木林立的球道和變化多端的起伏地形需要的是精確而不是距離。
  15. On the assumption that speed is kept constant, distance increases with time

    假如速度不變,則距離隨時間增大。
  16. In the process of trick source infiltration, the increased soil water content is a constant value 0. 34 for clay loam soil. the distribution pattern of water content in horizontal is similarly with vertical level. the more of the distance away axis, the less of the soil water content, and the decrease is most notable near the wetting front

    土壤濕潤體內含水率在水平方向上的分佈,表現為在同一水平剖面上隨著與對稱軸之間距離的增加,含水率不斷減小,減小的幅度在接近濕潤鋒處最為明顯;土壤濕潤體內含水率在垂直方向上的分佈,亦表現為在同一豎直剖面上隨著深度的增加,含水率不斷減小,減小的幅度在接近濕潤鋒處最為明顯。
  17. In the distance, the constant echo of monkeys chattering and birds chirping was occasionally punctuated by strange sounds as if the animals in the jungle were attending night school

    遠方持續傳來猴子的嘰喳叫聲與啁啾鳥鳴,偶爾還插進一些奇怪的聲響,彷佛叢林中的動物正在上夜校一般。
  18. Planar laser induced fluorescence ( plif ) was used to study the spray / wall impinging in constant volume vessel. the experimental result show that when fuel spray impinging on the plane wall, wall jet was formed while fuel impinging on a plane wall with a bump, when the wall jet meet the bump, a secondary jet can be formed. some parameters affecting the secondary spray were studied, including bump height, the secondary impinging distance, impinging distance and injector parameters

    對傳統燃燒室和bump燃燒室內燃油空氣混合過程進行了對比研究,發現燃油撞壁以後在傳統燃燒室壁面形成壁面射流,這一層燃油濃度很高,很難與空氣混合,而在bump燃燒室內,壁面射流遇到bump后,會在空間形成二次射流,二次射流進一步能快速與空氣充分混合。
  19. As the method of center distance varing was adopted and the technologe was differ from the condition of center distance constant, the gear concordance of abrasion rate on the tooth face of gears was improved obviously especially in the big gear

    由於採用了變更中心距的方法以及與定中心距的工藝不同,齒面研磨率的一致性得到明顯的改善,特別是大齒輪上更是如此。
  20. The key of the method is that it takes a changing distance of the transmission line as a constant horizontal distance between poles, and all of the influential factors come down to the variation of the parameters of transmission line. the algorithm and technique proposed is simple in form, easy in process, and need no more new hardware. it is of great value for the two - terminal or multi - terminal location of all kinds of transmission line

    本文提出的輸電線路參數在線估計演算法和技術的核心內容是取變化的線路長度為固定的桿塔間的水平距離,而把所有影響線路參數變化的因素當作一個整體,全部歸為參數的變化,這種線路參數在線估計演算法和技術具有演算法簡單、實現容易的優點,且不需要再增加新的硬體投入。
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