characteristic width 中文意思是什麼

characteristic width 解釋
固有寬度
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  • width : n. 廣闊；寬度；幅度；（布匹的）門面；幅員；廣博。 12 feet in width 闊 12 英尺。 width in the clear 【林業】除皮直徑。
  1. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次，理論分析和模擬研究結果表明，由於復位脈沖的非理想特性，單周控制的全橋開關功率放大器輸出端存在直流偏置問題，其大小與復位脈沖的寬度成正比。針對輸出直流偏置問題，提出了電壓補償的改進方案，給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。
  2. The characteristic of bed regulating is that the width and area of main channel and medium flowing channel increased greatly during the sustained silting period and decreased during scouring period

    河道調整特點為持續沖刷時期主槽、中水河槽的河寬、面積都明顯增大，持續淤積時期則減小。
  3. The factors which influenced the process include the insulator ' s material, structure, the distribution of space electrical field, the way to deal with the surface, the characteristic of voltage waveform, pulse width etc. there are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( seea ) and electron triggered polarization relaxation ( etpr )

    影響該過程的因素包括絕緣材料結構、空間電場分佈、表面處理方法、所加電壓特徵，脈沖寬度等。研究真空表面閃絡過程有兩類理論：二次電子發射崩潰（ seea ）和電子引發極化鬆弛（ etpr ） 。
  4. Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated

    對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究，分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。
  5. A parametric analysis of the inviscid effects of leading edge sweep, sidewall compression, width - height ratio, cowl position and inflow mach number on spillage is finished. numerical simulations are completed for a series of inlets at various flight height and velocity. the research indicates that the area of spillage window, which is mainly determined by the position of the cowl, significantly influences the spillage characteristic of the scramjet inlet

    闡明了側板后掠的側壓進氣道設計參數對構型溢流影響;對不同側板配置方式的側壓式進氣道進行了數值模擬，通過對比分析，發現由唇口板的位置所決定的溢流窗面積的大小對進氣道溢流特性的影響顯著。
  6. The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time

    本文討論了脈寬觸發電路和觸發釋抑電路的實現，採用veriloghdl在fpga中實現了一種峰值檢測模塊，提高了示波表的毛刺捕捉能力，設計的波形記錄（ recorder ）功能模塊能夠對輸入的模擬信號進行長時間連續不斷的采樣量化，並記錄波形數據和及時送顯示。
  7. Series of sma products one application extensive small - scale coaxial person who join that whorl join, it has a reliable characteristic with long life - span that the width, performance are excellent, high frequently

    Sma系列產品是一種應用廣泛的小型螺紋連接的同軸連接器，它具有頻帶寬、性能優、高可靠、壽命長的特點。
  8. Upon this counting arithmetic, the system realize the function of checking vehicle ' s speed, length, width and so on. based on the optimizing arithmetic and traffic model in common use, the paper build a traffic model found on scatter time. then select genetic arithmetic to optimize model based on the model ' s characteristic

    在此基礎上，實現了其他交通信息：車速、車長、車寬、行車間距和違章情況等的採集；在比較分析常用優化演算法和常用交通模型的基礎上，構建了基於離散時間模擬的交通模型，並根據模型的特點選擇遺傳演算法對交通網路進行優化。
  9. The method can measure the following parameters, ( pulse attitude ) pa, ( pulse width ) pw, ( time of approach ) toa, snr, ( radio frequency ) rf, pulse envelope characteristic parameters and intra - pulse modulation parameters with a high precision and a high discrimination

    該演算法能夠分析雷達信號的脈沖脈幅、脈寬、到達時間、信噪比、載頻、脈沖包絡特徵參數和脈內調制特徵參數。
  10. This paper present an ideal and calculation method of the effective operating curve where cavitations characteristic is not change. based on the lifting - line and lifting - surface method, using effective operating curve to control the cavitation type and " new section " design method to extend the width of cavitation bucket. the width will almost increase 30 % than the common section

    提出了保持剖面空泡特徵不變的有效運轉曲線的思想和確定方法，在升力線和升力面的基礎上，應用有效運轉曲線控制空泡類型，採用「新剖面」設計方法擴大空泡斗寬度，其空泡斗寬度比常規剖面增加近30左右。
  11. The results show that the thickness and the width of the electrode, electrode gap and the thickness of upper cladding have different effects on microwave effective index, characteristic and conductor loss. compromising structure must be adopted in practical design to gain perfect performance

    結果表明:電極的厚度和寬度、電極間距以及上包層的厚度對微波有效折射率、特徵阻抗和導體損耗的影響是不同的，在實際設計時應當綜合考慮。
  12. However, via intensive numerical computation, the author finds that actually some characteristic of this confidence intervals, for example, confidence coefficient, expectation width and coverage efficiency fluctuate intensely when the sample size varies given the parameter, or when the parameter varies given the sample size

    但是我們通過精細的數值計算發現，由於總體分佈的離散性，這些置信區間的特性（置信系數、期望長度、覆蓋效率）實際表現為當參數固定隨著觀測次數（樣本值）變化或當觀測次數固定隨著參數變化而發生強烈震動。
  13. This article, aiming at the specialties of rmb currency image, puts forward a new method using linear transform of image gray to diminish the influence of the background image noises in order to give prominence to edge information of the image. then the edge characteristic information image is obtained by edge detecting using simple statistics. by dividing the edge characteristic information image in the width direction into different areas, getting the number of the edge characteristic points of different areas as input vectors to random masks and optimized by ga

    文中提出了利用圖像灰度線性變換來抑制背景圖案噪聲的影響，突出圖像邊緣信息；然後採用簡單統計法進行邊緣檢測，得到邊緣特徵信息圖；最後通過對邊緣特徵信息圖在寬度方向上進行均勻劃分成不同的區域，統計不同區域的邊緣特徵點的數目作為神經網路的初始輸入向量，對初始輸入向量用隨機掩碼處理和遺傳演算法進行優化得到最終輸入向量，通過三層bp神經網路分類器進行分類，達到了人民幣識別的目的。
  14. Among them, phase shifted ( ps ) full bridge ( fb ) zero - voltage - switched ( zvs ) pulse - width - modulated ( pwm ) dc / dc converter has strong competitive power in big power capacity fields. but it has some limitations such as smaller load range with zvs and larger circulation energy. the ps - fb - zvs - pwm dc / dc converter with a saturable inductor utilizes saturable inductor s critical saturable current characteristic and storage energy, to enlarge load range with zvs and improve output efficiency under light load

    其中，移相控制零電壓開關脈寬調制dc / dc全橋變換器在大容量領域很有競爭力，但它具有實現零電壓開關負載范圍小，循環能量大等限制，帶飽和電感的移相控制零電壓開關全橋變換器利用飽和電感的臨界飽和電流特性及儲能，來擴大零電壓開關（ zvs ）的負載范圍，提高輕載時的輸出效率，具有非常重要的研究價值。
  15. Tool wear image characteristic was studied at tool wear inspecting aspect and put forward " 十 window " automatic edge detection algorithm and resolved the problem of tool wear image edge extraction. the algorithms and programs calculating area, perimeter, width and length for tool wear image were developed for tool wear image. the better results were gained by experiments and improved edge orientation precision and geometry measure precision

    在刀具磨損檢測技術方面，研究了刀具磨損的圖像特點，提出了「十字窗」自動邊緣檢測演算法，解決了刀具磨損圖像邊緣提取問題，開發了刀具磨損的面積、周長、寬度、長度的演算法，開發了程序，經檢驗具有較好的檢測效果，提高了邊緣定位精度和幾何尺寸的計算精度。
  16. Secondly, considering the complexity of the analysis of inclined - loading pile, nonlinear finite element method is adopted to calculate the internal force and displacement of pile group under inclined loads, with the concept of equivalent width presented to simplify 3d problems into 2d problems. and a program is developed as well, which is able to consider the continuity, elastic - plasticity and layered characteristic of soil around the pile shaft. besides, the interactions among pile, base slab and soil are considered in this program and contact surface element is used to simulate slipping and crazing between pile and soil, or between base slab and soil under loads. then, the non - tension analysis is proposed, to reflect the low - tensile property of soil and concrete

    在此基礎上，針對傾斜荷載下群樁基礎分析中的復雜性，提出採用非線性有限元對傾斜荷載下群樁的內力及位移進行分析，應用樁的等效寬度概念將空間問題簡化為平面問題考慮，並開發出能考慮樁周土介質連續性、彈塑性、分層性等因素的傾斜荷載下群樁內力及位移分析的計算機程序，並在程序中考慮了樁、土、承臺的相互作用，提出了採用接觸面單元來考慮荷載作用下樁與土體及承臺與土體間的滑移、開裂；並在此基礎上，提出了傾斜荷載下群樁基礎的「無拉力」分析方法，可有效地反映土體及混凝土材料的低抗拉特性。
  17. According to the characteristic of digital adaptive heterodyne filter and the conception of interference counteraction, the paper presents a new structure to enable the filter track the interference signal precisely and control the width and depth of notch. through simulation, it is demonstrated that the new structure can suppress one or more interference signals and the filtering operation has little influence on signal spectrum

    論文利用數字自適應外差濾波器的特點，運用干擾抵消的概念，提出了一種新的結構，能使濾波器精確跟蹤干擾信號，並能控制陷波的寬度和深度，經模擬驗證，該結構的濾波器能較好的抑制一個和多個干擾，同時濾除干擾后對信號頻譜的損害較小。
  18. The change regularity for performance and microstructure of low carbon steel is summarized. the main characteristic of the process is pearlite spheroidizing, increasing of grain boundary width, element segregation and carbide in grain boundary. the change of those microstructure causes the variance of the merchant performance

    通過上述的研究工作，總結了火力發電廠用低碳鋼在長期運行期間性能與微觀結構的變化規律，提出以珠光體球化、晶界寬化、元素晶界偏聚及碳化物晶界析出為主要特徵的低碳鋼微結構變化規律，以及由此而引起的材料機械性能的變化。
  19. Chapter 3 : in this chapter, the propagation characteristic and focusing properties of elegant hermite - cosh - gaussian ( ehchg ) beam through a finite aperture are investigated. the variance of the beam width, the generalized analytical expression of mg2 - factor and the power fraction of the truncated beam are derived theoretically and illustrated numerically

    第三章：討論了eleganthermite - cosh - gaussian （ ehchc ）光束通過有限孔徑的傳播特性和聚焦性質，得到了其光束束寬， m ~ 2因子及能量分數的解析表達式，並分析了影響光束參數的因素及其變化規律。
  20. In the end, this thesis tests the resonator with three methods in case that it is both open looped and closed looped, and gets the results listed below : 1 taking 1 mhz frequency width ld as the light source, using current injecting frequency modulation method, the output characteristic of the resonator is got, which proves that the laser used in the lab can be used to modulate the frequency using current injecting frequency modulation

    本文最後採用三種不同的方法對諧振式光纖陀螺進行了開環和閉環的實驗測試，並取得了以下實驗結果： 1 、用頻寬1mhz的ld作光源，採用電流注入調頻的方法，觀測到了諧振腔的輸出特性曲線。證明了實驗採用的激光器可以通過注入電流的方法實現調頻。
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