擬測地線 的英文怎麼說
中文拼音 [nǐcèdexiàn]
擬測地線
英文
quasi geodesic-
The following are such theories and methods as nonlinear theory considering interaction between support and rock mass, which, based on quantity analysis technology and actual data of initial crust stress, can simulate complex geological condition, carven shape and supporting so that provide important reference for analysis of stability of rock mass around underground carven and design of supporting
隨之而來的是考慮支護與圍巖共同作用的非線性理論和方法。這些理論和方法一般都以數值分析為手段，以實測地應力資料為基礎，能模擬復雜的地質條件、洞室形狀及支護措施，從而為地下洞室圍巖穩定性評價和支護設計提供重要的參考依據。To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area
在對現有電磁輻射源（如移動通信基站、廣播電視發射天線等）環境電磁污染狀況進行評估時可以進行實地測試，但是對在建或擬建的輻射源則不可能進行先測試，同時為了避免實地測試的費時、費力和較大的測試費用，通過計算機來計算分析城市環境電波傳播顯得很有必要。Four tem - horn antennas have been made. using these antennas two - element rain gutter tem - horn array, two - element stacked tem - horn array, four - element rain gutter tem - horn array and four - element stacked tem - horn array are been mades up of. the results of experiment accord with theory and numerical stimulation
最後，對tem喇叭天線陣列進行了原理性實驗研究，設計了帶地板結構的半tem喇叭天線，組成二元槽狀陣列、二元疊狀陣列、四元槽狀陣列、四元疊狀陣列等，應用小信號測試，得到的結果與理論和數值模擬相一致。Based on the fromer study of mine tectonic, hydrology, tunnel deformation, etc., 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis, combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result, and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer
摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道變形等研究的基礎上，結合該地區的震源機制解及有關的應力實測值，對礦區現今構造應力場進行了三維數值模擬，並對模擬結果進行了線性回歸分析，得到了與現實較為符合的結論，為更合理的巷道布置和更經濟而安全的巷道支護提供依據。Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward
文摘:在傅里葉變換輪廓術中，由於ccd探測器光電響應的非線性，將在測量中引入高次項，從而對相位的求解造成較大誤差，通過理論的推導定性地解釋了誤差的來由，並用計算機進行了模擬計算，最後提出了減小誤差的方法。The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting
地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度，在深入研究末敏彈穩態掃描過程的運動規律后，通過最小二乘法的二階分段曲線擬合，計算出落速。We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful
綜合分析認為： （ 1 ） 、這次冷渦在其發生發展過程中，其移動路徑是沿經圈直線南壓，攜帶的冷空氣勢力較強，形成槽后較強的垂直運動； （ 2 ） 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸，把源源不斷的西南暖濕氣流輸送到遼西地區，也就是急流軸的左前方位置，為這次暴雨的產生提供了充足的水汽來源； （ 3 ） 、低空急流不但為暴雨輸送水汽，其造成的較強的垂直環流也是產生強降水的一個主要原因； （ 4 ） 、 mm5模式以四維同化資料作為初始場，最大限度地避免了觀測誤差可能造成的積分不穩定，提高了模擬結果的參考價值。In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl
為了考察表面活性劑對疏水性有機污染物生物降解的影響，本論文選擇聯苯作為模擬研究體系，篩選、馴化得到四株可利用聯苯作為碳源生長的菌株；考察了聯苯降解菌株對三種非離子表面活性劑op - 10 、 tween - 80 、 tritonx - 100的生物可利用性；用高效液相色譜法測定了非離子表面活性劑對聯苯的增溶曲線；較系統地研究了加入非離子表面活性劑對聯苯生物降解速率的影響。Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits
靜態、動態測試實驗表明：該控制系統，不僅硬體線路大為簡化、體積小、通用性強，能夠很好地實現對原型調速器及原動機自平衡特性的模擬，而且與模擬電路的設計方案相比，整個系統的控制精度、可靠性和穩定性等大幅度提高，具有明顯的優勢。In order to geosteering, log - geology model of target formation should be built according to logging data and the interpreting result of wells nearby. geosteering parameters model is created to build simulative curves. compared these curves with logging curves, the position and drilling direction of the bit can be found combined with the concrete geological situation
要實現地質導向，首先要根據鄰井的測井資料及其解釋結果建立目標層測井地質模式，然後通過建立地質導向參數的預測模型構造相應的模擬曲線，將模擬曲線與實測曲線進行對比，結合具體地質情況，確定鉆頭在目標層中的位置及其鉆進方向，及時調整井眼軌跡，使其始終保持在目標層中物性最好的部位。Localization underground target algorithm base on the best automatic curve fitter can survey velocity of electromagnetic wave in underground medium, and locate underground target. it ’ s virtue is small number of operation times. it ’ s shortcoming is subject to clutter
基於自動最佳擬合曲線的波速測定和目標定位方法可以比較準確地計算出波速，計算出目標位置，優點是運算量小，缺點是容易受到雜波干擾的影響。Compared w ith t he c alculated r esults and monitoring data, to verify i f the p resent parameters can accord with the real situation of nanjing. the distribution of surface settlement trough is obtained by one - dimensional wave theory and calculation. the range of surface settlement trough coefficient is retrofitted
通過對比peck法計算值和實測值，驗證現有的經驗參數是否能很好地滿足南京地區的實際情況，通過對實測曲線的擬合和數值計算得到沉降槽半寬度，從而改進了南京地區橫向地表沉降槽寬度系數k的取值范圍，有助於盾構法在南京地區的推廣和應用。This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development
本項目就是針對這一瓶頸技術存在的基礎性問題：流場介質折射率變化是影響光學傳輸最直接的因素，即針對光線穿過高溫和湍流、激波等復雜流場作定性顯示和定量測量問題而開展的氣動光學效應地面模擬測試研究工作，為高速攔截彈的發展提供技術基礎。According to least square method, author programmed the software of base settlement prediction by visual basic6. 0. the rules and the software can be applied in design and construction
根據最小二乘法，利用地基沉降實測資料擬合曲線，通過visualbasic數據庫編程，編制了軟土地基沉降預測系統軟體。Meanwhile it can serve as reference for government to issue bonds, supervise bonds, implement monetary policy and adjust interest rate. the important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future
研究國債的利率期限結構（國債收益率曲線）重點要解決的問題是通過對國債交易的歷史數據的分析，找出國債收益率與到期期限之間的數量關系，從而能夠準確地推算擬合曲線上任意點的理論收益率，並預測出將來任意給定期限的國債所對應的遠期利率。The important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future
研究國債收益率曲線重點要解決的問題是通過對國債交易的歷史數據的分析，找出國債收益率與到期期限之間的數量關系，從而能夠準確地推算擬合曲線上任意點的理論收益率，並預測出將來任意給定期限的國債所對應遠期利率。First the dissertation analyzes and compares the actuality of the performance of the power line carrier network, then put forward the principle of the test system, configuration of the hardware and design of the software of the system. so i analyze the theory of the test system by testing the time delay, and analyze the factor which effect the time delay. then narrate how to test the bandwidth and probability of error - code briefly
論文首先對電力線載波網路性能研究的現狀進行了分析和比較，然後提出本虛擬測試儀的實現原理，硬體的配製以及軟體的設計，接著通過詳細的延時測試說明此虛擬測試儀的運作原理，並分析影響延時的因素。還簡要地說明如何使用此虛擬測試儀對網路帶寬和誤碼率進行測試。It is based on a set of practical data in some area. the nonlinear least - square method is used to work out the parameters of the mobile communication channels " model, and then the error sequence comes into being. the noise ' s model of automobile that can reflect the random characteristics of the noise is also founded
本論文採用簡單分群的markov二狀態模型建立移動通道概率統計模型，從某一移動通道實測曲線出發，利用非線性最小二乘法得出狀態模型參數，從而獲得移動通道的差錯序列；本文對汽車噪聲的產生以及它對信號的影響進行了詳細的分析，提出了汽車噪聲模型；並且採用尖脈沖模擬汽車點火噪聲脈沖，實現了噪聲對信號的隨機干擾，形象地反映了移動通道中信號的疊加過程。In this paper, on the basis of adopting geomechanics theory to analyze the stability of surrounding rock of tunnel, through numerical imitating test, the distribution of tectonic stress field in engineering area is numerically simulated with nonlinear fem and the conclusion is coherent to practice
本文在運用地質力學理論定性分析隧洞圍巖穩定性的基礎上，通過非線性有限元模擬模擬工程區地應力場的分佈狀態，得出的結果與實測地應力量值基本一致。Study several algorithms : localization underground target algorithm base on step threshold of block energy 、 localization underground target algorithm base on the best automatic curve fitter 、 recognition underground metal target algorithm base on phase of target echo. test above algorithms using signal acquired on field
具體研究了:基於塊能量階梯閾值的目標檢測定位方法、基於自動最佳擬合曲線的波速測定和目標定位方法、基於目標回波峰值相位特徵的地下金屬目標識別方法。分享友人