正點率 的英文怎麼說

中文拼音 [zhēngdiǎn]
正點率 英文
on schedule rate
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 率名詞(比值) rate; ratio; proportion
  • 正點 : on schedule; on time; punctually
  1. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺,本文提出了一種應用於激光多普勒測速的高精度信號處理技術,即首先利用加hanning窗的welch修周期圖演算法得到信號功譜,搜索其譜峰值頻,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能量重心頻譜校演算法對細化后的譜峰進行校分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校演算法三者有機結合起來,充分發揮各自的優:通過加hanning窗的welch修周期圖演算法快速得到功譜及峰值頻,通過goertzel演算法獲得分析頻帶的高解析度頻譜,然後通過能量重心校演算法對細化后的頻譜進行高精度校,這樣不僅保證了演算法的高效性,而且大大提高了分析的精度。
  2. In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比,其優在於:耕地無開、閉壟,地表平整,降低了耕后整地的能量消耗,減少了地頭的空行程,因而大大提高班次生產。為了滿足犁體梭式作業的要求,我們採用了一隻小容積雙作用的液壓油缸;同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重;主犁梁和油缸缸體的連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法常工作。
  3. In this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping mg ~ ( 2 + ) into the lattice of lifepo4 were adopted to improve the electro - chemical performance of the cathode material. the cathode material lifepo4 mainly has two flaws, the low conductibility and the slow li + ion diffusion, which have a bad influence on the performance of the cathode material

    論文主要針對制約極材料lifepo _ 4性能的兩大致命的缺,即低的電子導電和低的鋰離子擴散速,採取材料顆粒的細化、顆粒表面沉積碳導電層以及mg ~ ( ~ ( 2 + ) )離子摻雜等措施對其進行改性探索,以提高極材料lifepo _ 4的電化學性能。
  4. In the process of software development, especially in the process of software development of special domain, software reuse is becoming more and more important, the research of software reuse became the hotspot again, it " s regard as the best way to resovle the software conjuncture and improve the quality and productivity of software. software reuse is a solution for avoiding repeating working in software development

    在軟體開發的過程中,尤其是在領域軟體開發中,軟體復用越來越重要,軟體復用研究重新成為熱,被視為解決軟體危機、提高軟體生產和質量的現實可行的途徑。
  5. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為,當信號集中的任一信號可表示為一系列已知信號的線性代數和時,信號集便構成可分解信號集,已知信號稱為基波信號;對可分解信號而言,基波系數構成一序列,當對指定的基波信號集分解唯一確定時,系數序列本身便是信號的一個表示;可分解信號采樣定理指出當基波樣值矩陣的秩等於基波數時,則由采樣處的采樣樣構成的樣值序列必與基波系數序列一一對應,從而由該樣值序列構成的采樣必為完全采樣;可分解信號采樣定理中的推論指出,對信號集進行采樣,采樣頻必須大於其信號分解的基波數與其對應時長之比;對有限帶寬信號,若基波信號為弦信號時,由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  6. Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis

    此法解決了輸入樣本依賴物體的概密度的特,簡化了分類特徵提取的不直觀性。本文還採用了支持向量機( svm )和聚類二叉樹相結合的方法對機器人手預抓取八類模式進行分類,解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題,得到了較高的。本文對預抓取幾何形狀規則的物體採用直接提取其幾何特徵,對于預抓取幾何形狀不規則的物體採用圖像分析的方法進行特徵提取。
  7. " considering their people think this, it does n ' t matter that the american government thinks we are terrorists. " bright, educated and ambitious, ghasemi was being flippant, and she knew it. but her comments betrayed iranians " very real need for the world to simply understand them

    卡西米是一位聰明有教養有理想的年輕人,盡管她這么說有些輕,她自己也清楚這一,但是她的話還是代表了伊朗人的心聲-希望世界了解一個真的伊朗。
  8. Due to its low redundancy, recognition of the pitman shorthand requires higher performance of outline segmentation and strokes classification

    由於pitman速記的「低冗餘信息」的特,對在線的分割和筆劃識別有高的要求。
  9. The macvhine bdars such functions as glue smearing, heat pressing and paper cutting. upper pressure roller is electrically driven, enabling continouus and easy operation. the machine creates smooth adhesive surfaces without wrinkles with high qualified - product rate. it is ideal for small manufacturers of furmiture of bafflers

    本機集中塗膠、熱壓、切紙於一體,採用電動升降上壓輥,連續作業,易操作、貼紙平服、不起皺、高等優,是小規模辦廠或傢具廠、音響廠、禮品盒廠使用的理想設備。
  10. At the moment, the thing is plans compiled by hand have a low quality and are effected by factitious factors. the execution of adms can not only improve the station organization and the level of the management but also accelerate the modernization of work which can make out good plans, make full use of the device of station, improve the accuracy coefficient of passenger trains and as a result the whole level of railway organization is to be lifted, the modernization of railway system management is to be accelerated at the same time both the economic and social efficiency are to be improved

    現行手工編制不但勞動強度大,而且受許多人為因素的影響,編出計劃的質量得不到保證,所以客運站站調輔助決策管理系統的建立,不僅可以提高車站工作組織和車站技術管理水平,促進車站工作組織與管理現代化,從車站內部盡可能實現作業計劃優化,挖掘車站潛力,提高旅客列車正點率,而且可以提高鐵路運輸組織水平,促使鐵路車站管理手段的現代化,從而提高鐵路運輸的經濟效益和社會效益。
  11. Considering the defects in the practical application of traditional paragraph alignment method based on carriage - return character, this thesis puts forward a segmental alignment algorithm based on the anchor sentence pairs. to combine the merits of two methods above, a multi - level segment alignment method is suggested in this research. the final experiments prove the method is highly efficient and practical

    然後本文考慮到基於回車符的方法在實際應用中的缺陷,提出了一種基於錨句對的分段對齊方法,並根據需要,將上述兩種方法相結合,形成了一種多層次分段對齊方法,進一步提高了句子對齊的運行效
  12. Adding momentum item while correcting weight and limiting range of input value reduce error and improve diagnosis correctness greatly. while normalizing the input value, a new way is put forward that normalization is performed item by item according to its sort. in this way error training can avoid going into the flat field that is caused by existing of 0 or 1 of the input value

    本文首先分析了故障診斷和神經網路的基本理論,並在此基礎上提出了神經網路對于變壓器故障診斷系統的適用性;文中將bp神經網路演算法用計算機實現;並針對其本身存在的一些缺提出了一系列改進措施,通過在修權值的時候增加動量項,並且限制輸入值范圍來減小誤差、提高系統的診斷;在對輸入數據進行歸一化處理的時候,採取按類逐項歸一化的方法,避免了輸入數據出現0或者1而使訓練進入平坦區。
  13. The algorithm has such merits as high accuracy of correction, high adaptability, and high efficiency, which make it very appropriate to be used in critical features on layout

    該演算法具有矯精度高、靈活性強和矯較高的特,適合於版圖中關鍵圖形的矯
  14. Operated largely at - grade with about 80 junctions that interface with other road traffic, the light rail system has a remarkable record of safety, punctuality and reliability

    輕鐵系統主要在路面行駛,沿途約有八十個路口與其他交通工具共用。輕鐵在安全、正點率及可靠程度方面的紀錄良好。
  15. The following merits can gain by using the clustering method : a. the sampling quantity can be reduced by using the method to test the segmentation of the large - scale corpus ; b. the testing precision can be improved and the variance of population can be estimated more exactly

    與已有的簡單隨機抽樣方法相比,本文提出的方法在大規模語料庫分詞質量評價時,有如下優; a通過聚類得到語料庫抽樣樣本分詞的分層知識,進而在檢驗中運用分層抽樣帶來的增益減少檢驗的費用: b
  16. Some new ideas are proposed in this thesis based on svm and ica : firstly, a modified svm method based on posteriori probability theory is given, which makes the classification super plane corrected from the original one. a better classification result is obtained without finding the best quadric optimization algorithm and large scale training datasets are reduced to small scale training datasets at the same time. secondly, ica is applied to the preprocessing period of the recognition character images for purpose of feature extraction and dimension reduction

    本文在系統研究svm和ica的基礎上提出了以下新的觀:其一是採用了引入后驗概的修svm方法,它在原分類超平面的基礎上不斷修分類超平面,提高分類,從而避免了尋找最優二次規劃的麻煩,同時將大規模訓練樣本集化為小規模訓練樣本集;其二是應用獨立分量分析ica對需要進行識別的字元圖像預處理,提取字元特徵,降低輸入數據的維數,從而可以為下一步的svm識別過程提供好的數據集,用以提高識別和識別速度。
  17. The proposed indicator kriging classification algorithm has the following advantages : ( 1 ) it can deal with anisotropic problem in feature space, ( 2 ) it is a nonparametric method, and need not to know the type of probability distribution, and ( 3 ) it yields 100 % classification accuracy for the training data

    此分類法具有如下之優: ( 1 )可處理特徵空間中非等向分佈之問題, ( 2 )該方法屬于無母數分類法,不需假設各類特徵之機分佈類型, ( 3 )對訓練像元之分類可達100 。
  18. Many research topics had focused on how human can input information into a computer as quickly as possible with high accuracy rate in an easy way. the recognition of handwritten word is one possible solution. but the recognition of nature word writings encountered lots of problems, such as, low writing speed and low recognition rate

    手寫體識別的研究為解決這個問題提供了一個必要的條件,但是由於傳統文字的特,使得識別的很難取得突破性的進展,而且傳統文字記錄的緩慢速度也制約了它作為高速錄入的解決方案的可能。
  19. The elementary tests prove that the methods in this paper can find the unlawful information of the network in real time. and the tests to the example texts also prove that if the number of the keywords ( key sentences ) in an example text is 5 or above, the right rate of the whole text ' s contention judging will be 80 % or above

    實驗測試結果表明,文中所提出的方法能夠實現對網路信息內容中所含非法信息的實時識別,當範例文本中含有五個或五個以上的關鍵詞(句)時,其文本論傾向的判決達到80或是更高。
  20. By dividing fabric image into many windows with the same size, choosing a window with minimum local entropy as a region of interest, thresholding the region and filtering out noise through opening function of mathematical morphology, calculating the defect shape factors as recognition parameters, a algorithm and method of detection of defects in fabric is studied : which has advantages of high identification, correctness, and fast inspection speed mainly because it can avoid complicated calculation of whole image and global searching when the feature parameters are extracted

    摘要將織物圖像分成大小相同的局部窗口,選取局部熵最小的窗口為待研究的感興趣區域,在此區域內分割出疵圖像並用數學形態學中的開運算濾除噪聲,計算疵形狀因子等作為識別參數,研究表明此方法因能避免對整幅圖像進行復雜運算,在提取特徵參數時對圖像的全局搜索,具有識別高、檢測速度快等優
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