測量周期 的英文怎麼說

中文拼音 [liángzhōu]
測量周期 英文
cycle of measurement
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. 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標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的性距離模糊的問題,採取時間波門的處理方法。
  2. 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

    針對存在的缺點,本文提出了一種應用於激光多普勒速的高精度信號處理技術,即首先利用加hanning窗的welch修正圖演算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能重心頻譜校正演算法對細化后的譜峰進行校正分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來,充分發揮各自的優點:通過加hanning窗的welch修正圖演算法快速得到功率譜及峰值頻率,通過goertzel演算法獲得分析頻帶的高解析度頻譜,然後通過能重心校正演算法對細化后的頻譜進行高精度校正,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。
  3. The best of the early measurements of the earth's circumference was made by eratosthenes.

    地球長的最準確結果是由埃拉托斯特尼得出的。
  4. Further research of lithofacies pvove : lode country output points belongs to tidal - flat facies. and the two sides belong to littoral facies - estuarine facies. ore area petrochemistry analyse also prove : intraclast congeries silica rock in basin have higher cu, ag abundance than circumference pena. the prominence inhomogeneity of the cu distribution indicates reconstruct of the late construction

    礦區內巖石化學也證明:盆地內發育的內碎屑堆積硅質巖比圍巖石具有更高的cu 、 ag元素地球化學豐度值, cu元素分佈的顯著不均一性,表明了後構造的改造作用。
  5. The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character

    初步分段過程使用了能和過零率這兩個主要特徵進行端點檢,重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值;在最終分段過程中,筆者首先通過比較幾種特徵的識別效果,選擇卡爾曼濾波參數作為再次分段的識別特徵,還提出了一種新的識別特徵? ?性緩變特徵,使用這兩個特徵分別在子語音段內進行端點檢
  6. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成、滲透深度、孔隙度、毛細吸水和滲透系數、持水、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  7. Manual measure tools, such as micrometer were used to measure outside and inside diameter of tube product, which is effected by people factor and has long measuring period and low precision and dose not fulfill the on - line measuring need of batch production. so, according to the product line structure of tube product, the on - line measuring method with linear ccd is brought forward in this article and imitating operation is done by the mentioned method

    傳統的對管狀產品的檢方法是利用千分尺等工具手工測量周期長、準確度不高且受人為因素影響大,不能滿足批生產的在線檢要求。為此,本文根據所研究管狀產品的生產線結構,提出了一種以線掃描ccd攝像機為基礎的在線檢方法並對此方法進行模擬計算。
  8. Products examination with traditional method exist the following questions : long measure cycle, heavy work load, low efficiency. in order to make the agricultural products processing machines can reach the performance and requirement that the country stipulates before producing in enormous quantities and putting on market, this article adopts data acquisition technology and plc control technology to research and design the performance examination system about agricultural products processing machines in foundation the require live and systematic technical indicator

    針對目前我國農產品加工設備品種繁多、規格復雜,產品鑒定採用傳統方法檢長、工作大、效率低的現狀,為了使農產品加工機械在大批生產和投放市場之前達到國家規定的性能指標和要求,本文根據現場要求和系統技術指標,採用數據採集技術和plc控制技術研究和設計了農產品加工機械性能檢系統。
  9. At first neo wanted to write it in pure java jdbc but the tedious type declaration, edit compile test cycle would have taken quite a chunk of his precious development time

    開始, neo希望用純java jdbc編寫該模擬器,但是冗長的類型聲明、編輯/編譯/將佔用他大寶貴的開發時間。
  10. The sampling period of the fusion center is defined as the lease common multiple of multi - sensors measurement period, so the same number of the local state estimation is transmitted to the fusion center every sampling period and the computation burden of the tracking filter is alleviated

    該演算法將融合中心的采樣設定為感測量周期的最小公倍數,使得傳輸到融合中心的局部狀態估計在每個內具有相同的數目,減少了跟蹤濾波的計算
  11. In his lecture, professor john wann will explain his recent proposal that learning " where and when to look " can provide a mechanism to merge experience, learning and knowledge with the blur of visual flow that passes over the retina during high - speed locomotion. anyone who drives or cycles to work can test the proposal on their way home. entitled " do you think you are a skilful driver

    在講座中, professorjohnwann會講解他近提出的建議,他認為若能學習到"向哪裡望及何時望" ,就能結合經驗、學習及知識,當高速前進引起視覺訊息模糊流經視網膜時,視覺將產生一套機制遭環境。
  12. The algorithm features full utilization of different installation positions and different angular resolutions of the two lrfs by assigning different tasks to them. the top lrf was used to set up the initial trace of new obstacles recognized from the result of d - s evidence theory based multi - period data fusion and the bottom one was used to maintain tracking of obstacles, providing relatively accurate positions of the obstacles

    該演算法的特點在於充分利用了兩個激光距雷達的不同安裝位置、不同解析度對障礙檢造成的有利條件,將多目標跟蹤的理論和技術融入障礙檢的軟體框架中,並結合d - s證據理論融合多測量周期的識別結果,由頂雷達建立障礙的初始航跡,而底雷達進行航跡的跟蹤和維持。
  13. When planning your validation test cycle, weigh the amount of time and personnel that you expect to invest in proportion to the amount of material that was affected by translations

    在規劃驗證時,要權衡望投入的時間和人員數,使之與受翻譯影響的資料數成比例。
  14. It would take several hundred days to reach such a high dose by using currently available proton and neutron sources, while only several hours to several ten hours by the energetic heavy ion irradiation

    由於輻照劑高,若用現有的質子或中子源進行輻照需要幾百天時間。採用重離子輻照模擬,僅需幾個小時至幾十個小時即可達到所需的輻照劑,大大縮短分析
  15. Firstly, for normal high building, second - class measurement could meet the needs of sinking survey ; secondly, the location of survey should be based on the design drawing and choosing the first structure layer as a survey period ; thirdly, the arrangement of the results of sinking survey should be regular and accurate by a certain person, and if there is problem present, it should be solved or done away with in time ; finally, the results of building sinking survey should be fed back in time to survey, design and construction units as reference for the next project

    首先對一般的高層建築物來說,只需二等水準即可滿足沉降觀的要求;其次,對于沉降觀點及觀,通常要按照設計圖紙的要求布設觀點,觀一般以一個結構層為一個觀;第三,對沉降觀結果的整理,要定定人及時準確,發現問題要及時解決處理;最後,建築物沉降觀的結果要及時反饋給勘察、設計和施工單位,為下一步的勘察、設計和施工提供可靠的參考依據。
  16. For a given probability, the daily peak wind speed increases as the exposure period increases.

    對一個給定概率,日常峰值風伴隨著測量周期的增加而增加。
  17. With most devices, measurement cycles as long as 10s give no measurable leakage error

    對于最大多數的設備,測量周期大於10秒長的時間,可得到沒有遺留錯誤的(結果) 。
  18. It allows one to choose the measuring cycle period by automatic pre-selection.

    它可以用自動選擇檔選擇測量周期
  19. But with the improvement of design and test technique, translating the test vector from the design to test system is becoming more and more difficult. so how to solve the difficulty efficiently is an important research direction. this dissertation studies the different test vector format languages and ic test program languages, introduces test development system architecture and components, discusses the key issues in practical application of test vector translation and gives the solutions

    本文研究了多種試向格式語言和試程序語言,系統介紹了試開發系統的體系結構以及各個組成部分,介紹了當今的試開發系統方面的研究成果,詳細分析了在試向轉換系統中的試向化轉換的關鍵問題,並給出相應的解決方法及其演算法實現。
  20. The counter module can be widely used in measurements for frequency and period

    它可以廣泛應用於頻率等場合。
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