波節區 的英文怎麼說

中文拼音 [jié]
波節區 英文
nodal zone
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 節構詞成分。
  • : 區名詞(姓氏) a surname
  1. In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost

    在工作過程,根據廠址軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就省樁基工程費用近5000萬元。
  2. Bright areas reveal undeflected or stationary nodal regions while contour lines trace out areas of constant vibrational amplitude.

    表示未受偏轉的或穩定的波節區而輪廓線則描繪出等振幅的域。
  3. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案:在對比幾種功率調方式的基礎上選擇了不控整流加斬調壓作為直流部分。在這部分里,重點研究了一種軟開關buck變換器,通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態;對于逆變器部分,在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器,並詳細分析了串聯逆變器的工作原理,提出了最佳死的計算方法。
  4. Ningbo rongda art & craft co., ltd. was set up 1999, specializes in making flash music christmas gifts include flash music christmas hat, head hoop, sock, hang piece, sack, clothing etc. and easter gifts, cult craft

    市鄞州邱隘榮達工藝品廠創建於1999年,專業生產各種閃光音樂聖誕禮品,品種有:閃光音樂聖誕帽、閃光音樂聖誕頭箍、音樂閃光聖誕襪、閃光音樂聖誕掛件、閃光聖誕袋、聖誕衣服等及各種復活禮品,宗教工藝品,慶用品。
  5. This article utilizes the questionnaire survey and the scene investigation method, conducts the investigation and study to the yangtze river delta area silk expense in the foundation, the utilization supplies and the demand balanced analysis theory, the time series law, the tendency pre - measurement, the season analyzes the pre - measurement, the elastic analysis theory, as well as method and so on return analytic method carries on the comprehensive analysis to the cocoon silk profession, promulgates the influence cocoon silk profession development in order to the restriction factor, and seeks corresponding solution silk market long - term equilibrium and weakens the price undulation frequent countermeasure

    本文運用問卷調查和現場調查方法,對長江三角洲地的絲綢消費進行調查研究的基礎上,運用供給和需求均衡分析理論、時間序列法,趨勢預測法,季分析預測法,彈性分析理論,以及回歸分析法等方法對繭絲綢行業進行全面的剖析,以求揭示影響繭絲綢行業發展的制約因素,並尋求相應解決絲綢市場長期均衡和減弱價格動頻繁的對策。
  6. In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance

    在基於dsp的數字變換器平臺中,採用全數字形校正技術,完全補償了控制信號延時、功率管開關延時以及死時間對輸出spwm形所產生的畸變,充分保障了變換器控制的準確性;採用數字直流分量調技術,可以精確地對控制信號進行補償,在充分保證輸出性能的前提下,實現了輸出直流分量的調
  7. The problem of water quality fluctuation of huanghe river becomes more and more serious in recent years, which exerts great influence on power plants using water from huanghe rive as their feed water

    摘要黃河水量水質隨季的變化日益明顯,使黃河水水質動突出,對內蒙古自治境內以黃河水為補給水的電廠正常生產造成很大影響。
  8. We get the estimates of the upper bounds of hausdorff and fractal dimensions for the global attractors. in section 5. 3, the cauchy problem is studied, by using the weighted function space and the interpolating inequality, the existence of the global attractors for the damped generalized coupled nonlinear wave equations in an unbounded domain is proved. in section 5. 4, the time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary conditions is studied, the existence of time periodic soluation of this problem is proved by using the convergence of approximate time periodic solution sequences

    第五章,考慮了一類廣義耦合的非線性動方程組,在第二中討論了周期初值問題,證明了整體光滑解的存在性和唯一性,得到了整體吸引子,給出了hausdorff維數和分形維數的上界估計;在第三中討論了cauchy問題,利用加權函數和加權空間的插值不等式,證明了無界域上整體吸引子的存在性;在第四中證明了時間周期解的存在性。
  9. The quantification indexes that token weathered degree are primary velocity, borehole rqd ( rock quality designation ), joint space, joint number and so on, and the unloading ones are primary velocity, joint opening, borehole penetrability and so on. the compartmentalization of different weathered and load - off zones according to quantification indexes tallies with the slope geo - stress computed by finite element method

    其中研究風化分帶的定量指標有縱速vp 、鉆孔rqd 、結構面間距與條數等,研究卸荷分帶的定量指標有縱速度、理開度與鉆孔巖體透水性,據此劃分的不同程度風化、卸荷巖體與有限元計算的壩河谷應力場具有良好對應性。
  10. Jet lag occurs when the body s natural rhythm and sleep - wake cycle are disturbed. symptoms of jet lag include difficulties in sleeping, tiredness, mood disturbances and gastrointestinal upset etc

    的時差會令身體的自然奏和睡眠周期受到擾亂,徵狀包括難以入睡疲勞情緒動腸胃不適等。
  11. Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed

    首先將視頻分解成許多連續的靜態圖像幀,經過背景去除,把感興趣的人體域提取出來,通過二值化,中值濾等預處理方法得到只有人體的一個單連通域,然後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓,根據運動規律及特徵找到後腿踝關點,結合從boundingbox最窄幀中所獲取的腿長依次得到後腿膝關,跨部關,前腿踝關,前腿膝關四點,從而構建出腿部骨架模型。 2 )實現了人體步行腿部骨架的跟蹤演算法。在完成對腿部骨架模型的自動初始化之後,本文對跨關、膝關及踝關分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確定每一幀中其實際坐標,從而重構出腿部骨架的運動過程。
  12. Lacking of space locality in time domain, fourier analysis can only make certain of the integral singularity of a function or signal. as a result ; it is difficult to detect the spatial position and distribution of broken signal by fourier analysis. wavelet analysis has the characteristic of spatial locality, and its wideness in both windows of the time and the frequency can be adjusted, so it can analyze the details of a signal

    分析優于傅里葉之處在於,小分析在時域和頻域同時具有良好的局部化性質,因為小函數是緊支集,而三角正、餘弦的間是無窮間,所以小變換可以對高頻成分採用逐漸精細的時域或空間域取代步長,從而可以聚焦到對象的任意細
  13. Firstly, according to the observed data in - situ ( or the empirical parameter data ) and the acoustic logging data, the distribution law of the joint in the computing area can be got. then the network system of the joint can be simulated by the statistical distribution theory and the monte carlo ' s method. and then artificial or automatic dissection program can be used to dissect the fem mesh

    首先,根據現場實測資料(或相關經驗資料)和鉆孔聲資料,求出計算域的理裂隙的分佈規律,由統計分佈理論結合蒙特卡洛方法可模擬出計算域的理裂隙網路系統,利用人工或自動生成剖分程序剖分成有限元網格。
  14. It was found out that the prevalence of tobacco brown spot disease alternaria alternata ( fr. ) keissler presented growth with logistic curve pattern, and the degree of disease fluctuated greatly among different years in the tobacco region of hunan

    摘要通過在湖南主產煙5點16年次以上系統調查,發現赤星病季流行呈邏輯斯蒂曲線增長,發病程度年間動大。
  15. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況,指出粘土地也應考慮時間效應,並且進一步分析了基坑邊坡土體的塑性形成和發展,找出邊坡最不利的域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同,提出了點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的應力狀態及土休失穩破壞概率,並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態,指出了被監測墻體的最大應力、應變位置。
  16. We practically applied the wnnd scheme to solve scalar conservation laws and euler system in one dimension and n - s equations in two and three dimensions. the numerical results of wnnd schemes indicated good shock transitions without any noticeable oscillations and uniformly high accuracy in smooth regions. the wnnd scheme could catch the detail o f the flow field more particularly

    本文應用wnnd格式數值模擬求解了一維標量方程、一維歐拉方程、二維n ? s方程和三維n ? s方程,數值結果表明, wnnd格式在激附近基本無動,且在解的光滑保持空間的統一高階精度,較之nnd格式, wnnd格式能夠更高解析度的捕捉到流場細
  17. First, it delves into the key technique of eis ? image registration, and presents an effective registration algorithm which is from coarse toprecise and form local to global. second, it applies recursive kalman filtering technique inmotion filtering of registration parameters and makes motion compensation for practical image. finally, it takes advantage of mosaicking to reconstruct undefined regions to avoid theubiquitous information missing and image degradation. this algorithm has high precision as wellas high speed

    首先,對電子穩像中關鍵環? ?圖像配準技術進行了深入研究,給出一種由粗到精、由局部到全局的高效配準演算法;接著,採用了遞歸kalman濾技術對配準參數進行運動濾並對實際圖像進行運動補償;最後,利用了圖像拼接技術進行「無定義」重建,避免了普遍存在的信息丟失和圖像降質問題。
  18. The variational trait of the first temporal coefficient is that the coefficient is often positive in 1960s, often negative in 1970s, the break point often happen in 1960s and 1970s, especialy 1970s ; the fluctuate of the second temporal coefficient of year. spring and autumn appears little change, but appears much change of summer and winter, the break point often happen in 1980s and 1990s, specially 1980s ; the change trend of the third temporal coefficient is not obvious during 1961 to 2000, only appears clear raise in the anaphase 1990s ; it is difficult to detail the positive and negative trend of the fourth temporal coefficient, the situation of the coefficient appears alternant change of positive value and negative value, the break points happen concentratively in 1990s, the situation of the fifth temporal coefficient is like the fourth ' s ; the alternate of positive value and negative value of the sixth temporal coefficient is obvious, then the negative trend take advantage after 1990s, the distribution of the break point is even, but most of them still in 1990s ; the break points happen many times, but it is limited that the break points attain 0. 05 significance test

    第一時間系數變化大體有如下特點:對年和季來說, 60年代系數多表現為正值, 70年代多表現為負值,突變點多發生於60 、 70年代,特別是60年代;第二時間系數在年、春季、秋季表現為動很小,夏季和冬季則很大,突變點多發生於80 、 90年代,特別是80年代;第三時間系數正負變化趨勢不明顯,只是90年代後期在年和夏季降水中升高明顯;第四時間系數基本無明顯正負趨勢可言,只是正負交替出現,突變點集中出現在90年代;同第四時間系數相似,第五時間系數亦無明顯正負趨勢,突變點多出現在90年代;第六時間系數正負交替明顯,進入叨年代后負趨勢為主,突變點分佈較均勻,但仍以904atvjz多;突變點出良多,但突變域艾擇no 05 ggrr著性以上的卻有限。
  19. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調系統合適參數的情況下,長位於soa增益的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時,最後可以得到放大的高質量超簡訊號光脈沖;在基於soa的交叉增益調制( xgm )全光長轉換中,採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低,長向下轉換的距離和反轉光的峰值能量都得到明顯提高,降低了利用交叉增益調制( xgm )長轉換中對長精度的要求,從而提高了長轉換的靈和性。
  20. The purpose of reforming the foreign exchange institute is to increase the elasticity of the system, and from this, exchange rate can have the function of regulating the economy. the media measure is improving the forming mechanism of exchange rate of rmb. at present, the feasible measures is enlarging the floating region of exchange rate of rmb. firstly, improving the extent of marketization of forming mechanism of exchange rate, including enlarging the floating region of exchange rate of rmb in the inter - bank exchange market, adjusting the policy of exchange position of banks, reforming compulsive exchange settling institute

    今後,我國有必要改進人民幣有管理的浮動匯率制度,使匯率更多的反映市場供求信號。完善人民幣有管理的浮動匯率制度的最終目的,應是改進人民幣匯率形成機制,增加人民幣匯率制度的彈性,以進一步發揮匯率杠桿對經濟的調作用。當前可以選擇的政策措施是擴大人民幣匯率的間。
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