測標間距 的英文怎麼說

中文拼音 [biāojiān]
測標間距 英文
measured mile
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • 間距 : interval; separation; spacing; espacement; space; spacing; space length; range; unpack; step
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受隙參數-可超車車頭時和可回車車頭時的臨界隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀超車率的實驗方法以及量加速度干擾的實驗方案,統一了計算加速度干擾的時統計隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數定和驗證的數據採集方法。
  2. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢的各量的物理意義,對檢的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性離模糊的問題,採取時波門的處理方法。
  3. In the case of clear label, it is the distance in millimetres through which the label web will travel after an opaque part of the label has been detected by the gap sensor, after the label pitch setting has been exceeded

    如果簽是透明的話,所顯示的數字就是在簽不透明部分被隙傳感器檢到后,也就是超過設置后,幅將繼續走動的離(毫米數)
  4. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的空格局進行定,而格局分佈有可能受樣方大小的影響,且分析過程中沒有涉及聚塊密度差的問題,因而無法掌握種群的聚塊大小差別及聚塊內個體的離散程度.本研究採用無樣方離法,定不同生境的格氏栲種群空格局,分析格氏栲種群格局的強度和紋理.強度以聚塊和隙的密度差來定義,紋理則是體現聚塊內個體的離散程度與諸聚塊的分離程度.定結果表明,格氏栲種群格局強度從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一定結果與作者採用聚集度指定相同樣地格氏栲種群空格局的結果基本相符.因此,格氏栲空格局類型及分佈與格氏栲生物學特性及生境的關系密切
  5. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目的架數,我們借鑒isar的技術,通過較長時的相干積累,在多普勒頻域上對目進行分辨。而對于編隊目,可分為近似剛性的多目和非剛性的多目,所以對于可以近似為剛體的編隊目相對位置固定,運動方式一致,可以近似看作一個大目,採用最小墑準則對平動相位的進行補償,但是大多數並不滿足剛體近似的編隊目,由於目在相干積累時的多普勒頻率近似呈線性變化,通過對較短數據利用relax的時頻分析方法,提高了頻率域上目分辨的性能。由於橫向解析度取塊于橫向積累時,所以利用radnwigner變換得到瞬時的一維橫向離像大大提高了對編隊目的分辨,對模擬和實數據的大量分析結果表明此方法的有效性和可行。
  6. The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding

    研究了y分支耦合器中分支頂端(為工藝製作方便)帶來的附加損耗,提出了低損耗新型y分支耦合器結構,並給出了相關結構參數的優化設計方法,我們的理論計算和實驗試結果均表明,該新型結構可以在常規光波導製作工藝下提高器件的指
  7. Compute geodesic distance between earth - this function computes the geodesic surface distance between two cordinates on the surface of the earth to an accuracy of about 50 meters

    這個函數計算地面上兩個不同坐地線離,精度達到50米。
  8. This paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    分析了目前驗收脈沖激光程指所採用的方法「消光法」存在的不足,並在「消光法」的基礎上,通過採用計算機技術、準激光技術和延時模擬空離的方法,實現了程指自動、快速和不解體檢
  9. Abstract : this paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    文摘:分析了目前驗收脈沖激光程指所採用的方法「消光法」存在的不足,並在「消光法」的基礎上,通過採用計算機技術、準激光技術和延時模擬空離的方法,實現了程指自動、快速和不解體檢
  10. At the same time, at the aspect of theory, we give a lot of results, including : performance calculating formula of fft phase comparing, coincidence relation of calculating result and target " s real range, calculating formula under zeroize fft or single channel

    在相關理論上,我們提出了fft比相的性能指計算公式、 fft比相下結果與目實際位置之的對應關系、補零和單通道下的fft比相結果。
  11. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉動隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、記轉動等隨機誤差進行了逐項分析,並給出轉動記隨機誤差的計算公式。對大直徑量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。
  12. The project adopts pulsed laser ranging in noncoherent detect mode, uses a 905nm pulsed laser diode as the laser source, detects object with a single apd, adopts an optics - mechanics scanner in object space to obtain images, and obtain distance images and intensity images of object simultaneously

    該研究方案採用直接探脈沖激光體制,以波長為905nm的脈沖半導體激光器作為激光光源,利用單元apd探器進行探,採用物空掃描的光機掃描方式進行掃描成像,能同時獲得目離圖像和強度圖像。
  13. This function computes the geodesic surface distance between two cordinates on the surface of the earth to an accuracy of about 50 meters

    這個函數計算地面上兩個不同坐地線離,精度達到50米。
  14. As the targets flying in groups may spread over several range of cells and their doppler frequencies are time *. varying, a scheme of target number detection in groups on a conventional low *. resolution radar is proposed based on a time *. range *. doppler image cube which is constructed by substituting a time *. frequency transform for the fourier transform in the conventional range *. doppler imaging

    針對實際編隊目離上的分佈特性和目多普勒頻率的變化規律,利用聯合時頻變換代替傳統傅立葉變換,建立目-離-多普勒立體像,提出一種基於立體像的目架次檢方法。
  15. In order to scientifically manage exploration data, three - dimensional database composed of rock mass quality indices is established under the geodetic reference frame. those indices are obtained from adits, drill holes and outcrops. to efficiently make use of exploration data, finite testing results are spread to the extent which they can control in term of the characters of gradual change of rock mass quality

    利用實資料,研究了單指(節理、完整性系數、 5m洞段節理條數)劃分巖體質量等級的對應性,驗證了單指(完整性系數k _ v 、節理d )和雙指( k _ v d 1000 )劃分巖體質量等級的一致性。
  16. Finally, the relation between the field of view matching of digital binoculars and the size of field of view of binoculars and camera is analyzed theoretically. based on the analysis of the mft principal and measure method of image sensor ’ s mtf, the contact measure method using rectangle template for mtf of image sensor is created. according to the number of pixels of image sensor in one cycle of the template function, the quantitive relation between sine template and rectangle template is proposed through theoretical analysis and comparison

    並利用衍射理論,從模板的形式(正弦形、矩形) 、模板與傳感器等幾個關鍵因素出發,進行了深入的理論探討,從理論上導出了矩形模板和正弦模板的差異、模板與圖像傳感器光敏面存在的情況下的光場分佈;並最終導出了存在下圖像傳感器調制傳遞函數值得值與準值之的調整系數,利用此調整系數對實驗數據進行修正後可得到更為準確的調制傳遞函數。
  17. How the change of space between driven piles and stabilizing piles and how the change of exertion coefficient of the between - pile soil intensity parameters will influence the foundation stability are analyzed. the safe space between piles of different reinforcement schemes is initially confirmed. the test results and stability analysis indicates that : it is safer to construct embankment upon level soft - soil foundation than slope soft - soil foundation ( 1 : 10 )

    ( 2 )用土工專業軟體geo - slope對不同情況下的地基進行了穩定性分析,結合斜坡軟弱土地基路堤的離心模型試驗結果與室內土工試驗得的參數,推求出了地基土的強度指;分析了軟弱土層c 、值的變化對地基穩定性的影響;探討了打入樁方案和抗滑樁方案樁的變化和樁土強度參數的發揮系數的變化對地基穩定性的影響,初步確定了不同加固方案的安全樁
  18. The main factors have been determined to be the depth and width of hole, the strength of surrounding rock, the types of detonator, the decoupling coefficient, burden and unit consumption form what has been discussed, the author make use of those major factors as standard of affection and studied bp neural networks " work principle, structure and defectiveness. a model of modified bp neural networks has been used to built model in order to identify selection and optimize of blasting in rock anchor beam. triumphant parameter design of blasting were selected as a example, in order to perform network of parameter design

    確定以炸藥類型、最小抵抗線、孔深、炮眼、不耦合系數、線裝藥量、巖石強度和巖體完整度為主要影響因素;把改進的bp演算法應用在爆破參數優化設計中,建立以炸藥類型、最小抵抗線、炮孔深度、炮眼、線裝藥量、不耦合系數、巖石強度和巖體完整度為主要影響指,選擇45例國內外成功的爆破參數設計實例為樣本,利用bp神經網路進行爆破參數優化設計,並通過現場保護層和巖臺修面爆破試驗以及對其松動圈范圍進行聲波試,其試結果最優的爆破方案其松動圈最小,這與神經網路進行參數優化設計的爆破方案相吻合。
  19. In this paper, a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method. based on the practical project xiluodu arch dam, the dam ' s construction process was simulated by a small time step size, 0. 5 or 1 days. the environmental temperature change, hydration heat rise, artificial cooling, creep, volume deformatio

    運用laplace變換方法將溫度的求解表示為只與空及澆築時有關的函數,從而避免了用隱式差分法、有限元法求解時需求解聯立方程的因而對點選擇的依賴,也避免了顯式差分法求解穩定性受時步長,大小限制的缺點,因而具有點布置靈活的特點。
  20. The latest remote test system is not only in the lan, but also in internet. the engineers in remote area can get the tendency of test data from remote test instruments through internet based on tcp / ip protocol

    現代的遠程試系統已不僅僅局限於局域網內,基於全球的internet的技術才是真正的遠程系統的準。對于處于很遠空離的技術人員需要觀遠程試系統的試數據的變化,可以通過以tcp / ip為核心協議的internet來實現。
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