bridge width 中文意思是什麼

bridge width 解釋
模孔間距
  • bridge : n 1 橋,橋梁;【造船】艦橋,船橋。2 鼻樑;(假牙上的)齒橋;【音樂】弦柱,弦馬;【電學】電橋;【...
  • 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. It cost about 83, 650 yen at that time and was often talked about among citizens as a great bridge with its 185. 2m length and 22m width

    永代橋橋身長185 . 2m 、寬22m ,當時共花費8萬3650多日元,作為巨橋得到了市民的好評。
  3. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  4. This system consists of a full bridge pwm ( pulse width modulation ) regenerative rectifier or so - called vsc ( voltage source converter ) that connected to pcc ( point of common connection ) at the power utility grid through a passive interface circuitry

    這種系統包括一個pwm全橋可逆整流器或者所謂的電壓源變換器,通過無源電路介面與電網的pcc點(公共連接點)相連。
  5. The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges

    基於列車-橋梁時變系統隨機振動分析理論,按照橋上列車脫軌安全系數和司機、旅客舒適度的要求,對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析,對鐵路連續鋼桁梁橋的設計具有一定的參考作用。
  6. The bridge researched in this paper has same length and width as jiangyin bridge

    這種新的橋梁結構體系把這二者的優勢充分結合起來。
  7. The upper level is for cars and has a width of 22. 5 meters ; the lower level is railroad and has a width of 18 meter. the length of the bridge is 1670 meter ( 1 mile )

    5米;下層為雙線鐵路,寬18米;全長1670米,正橋長156米,有兩臺8墩9米,每孔跨度128米。
  8. The upper level is for cars and has a width of 22. 5 meters ; the lower level is railroad and has a width of 18 meter. the length of the bridge is 1670 meter 1 mile

    長江大橋上層是公路,寬為22 . 5米下層為雙線鐵路,寬18米全長1670米,正橋長156米,有兩臺8墩9米,每孔跨度128米。
  9. Bridge decking geometry design of varying width interchange

    互通式立交橋橋梁橋面板變寬的幾何設計
  10. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。
  11. There are not definite code provision of evaluation of effective width about steel box - girder in many countries, especially curved bridge because its evaluation of effective width vary with the radius of the curve

    目前許多國家對于鋼結構箱形樑上翼緣有效寬度的取值都沒有明確規定,尤其是曲線梁橋由於其有效寬度的取值受曲線半徑的影響,其結構更趨復雜。
  12. 3. the effective width of the deck of the cable - stayed bridge is up to profound research because there is no exactly definition in the applicable design standards

    3 、由於現行的有關橋梁設計規范沒有對斜拉橋主梁的有效寬度做出具體規定,從而使斜拉橋在設計中橋面板的有效寬度取值問題有待于進一步研究。
  13. ( 1 ) length of placolith, ( 2 ) width of the placolith, ( 3 ) bridge angle, ( 4 ) roundness of placolith, ( 5 ) width of center pore and ( 6 ) size of center pore

    其中,在距今1 . 3ma左右的時期盾盤長度范圍波動最為明顯。橋角大小因子的集中范圍在演化進程中波動較小,但是橋角整體的波動范圍很大。
  14. The cfst x - type arches improve the lateral stability by sloping the arc ribs so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span

    鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型,在寬跨比較小的鋼管混凝土拱橋設計中應用較多。
  15. The cfst x - type arches improve the lateral stability by sloping the arc ribs, so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span. tongwamen bridge is a half - through cfst arch bridge, its span is 238m, and the width of its roadway is 10m, so the truss ribs in - plane is sloped into x - shapc to improve its lateral stability. as the cfst x - type arches with longest span all over the country presently, the design of tongwamen bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span

    鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型,在寬跨比較小的鋼管混凝土拱橋設計中應用較多。浙江銅瓦門大橋是一座中承式鋼管混凝土無鉸拱橋,跨徑238m ,橋寬10m ,拱肋為平面桁架形式,所以採用了x型拱肋以提高其橫向穩定性。作為國內目前跨徑最大的鋼管混凝土提籃拱橋,該橋的建成對我國今後長大跨徑小寬跨比鋼管混凝土拱橋採用提籃拱具有借鑒意義。
  16. Structural internal forces and deformation caused by seismic load are bigger than that caused by automotive load. seismic load controls the designing of large span and small " width - to - span " ratio of large span cfst arch bridge. the seismic resistance is bigger than that with considering combination of various directions, so seismic load combination of various directions should been taken into account during design of large span cfst arch bridge

    地震荷載所引起的內力和變形均大於車輛荷載引起的內力變形,對大跨、寬跨比小的鋼管混凝土拱橋來說,應以地震荷載控制內力和變形設計,考慮多方向地震荷載的組合后,所得的地震力更大,說明在計算地震力時,應該考慮多方向地震荷載的組合。
  17. The results suggest that a number of species of gephyrocapsa can be separated by using three pairs of following morphological features : 1 ) placolith length against bridge angle, 2 ) bridge angle against roundness, 3 ) placolith length against placolith width. in pleistocene, at about 1. 3 ma, a notable variation in placolith length and bridge angle occurred, while the genus boosted according to the result of earlier studies on this genus ( su, 1996 )

    通過對幾種形態因子進行相關分析,發現橋的角度變化與盾盤大小的變化呈現極顯著負相關,即當盾盤長度比起老地層中的種類有所變大的時候,橋角有變小的趨勢;而當盾盤長度比起老地層中的種類有所變小的時候,橋角有變大的趨勢。
  18. Through militia programs, the final plan is to change the transmission ratio of gearbox, the parameter of friction piece as well as the gear width of the sixth gear of the second shaft. finally, the parts of transmission system - clutch, gearbox, driving shaft, driving bridge are checked and the problems are solved

    本文通過多目標規劃,最終的優化方案是適當改變變速器傳動比、摩擦片參數及二軸六檔齒輪齒寬,最後對傳動系各部件- - -離合器、變速器、傳動軸、驅動橋等進行了校核,使問題得到妥善解決。
  19. Because width of rib is larger than before, we can change single - rib beam to double - rib beam. stability in transportation and aethetic effectiveness is improved. in this article we make the example of 20m - span simple - supported reinforced concrete beam - bridge

    肋寬增大后可以從截面形式上作適當的改變,改單肋為雙肋,這樣既達到美觀的效果又增強了梁在運輸施工過程中的穩定性。
  20. Yesanhe bridge is a half - through cfst arch bridges, the design of yesanhe bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span

    野三河大橋是一座非對稱中承式鋼管混凝土無鉸拱橋,拱肋為平面桁架形式,所以採用了x型拱肋以提高其橫向穩定性。
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