pitch ratio 中文意思是什麼

pitch ratio 解釋
節距比
  • pitch : n 1 瀝青;含有瀝青的物質;松脂,樹脂。2 人工合成瀝青;人造樹脂。vt 用瀝青塗。vt 1 扔,投,拋,擲...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. It ' s proved by the simulation result that, the fuzzy logic model reference adaptive controller adapts the change to the grand crutch force well, which is brought from the vehicle pitch and vertical vibration during the brake process, and the change to the slippage ratio which is near to the perfectness

    模擬結果證明,模糊模型參考自適應控制器對于在制動過程中由於車輛前傾和垂向振動引起的地面支承力的變化有較好的自適應能力,制動過程中輪胎縱向滑移率的變化更趨近於理想變化。
  2. As the pitch doubling and halving problems of nccf algorithm often occurred with varied noises and signal to noise ratio ( snr ), vad algorithm is employed to separate speech and non - speech segments

    針對nccf基音檢測演算法在不同噪聲、信噪比下容易發生清濁誤判的問題,本文在基音檢測前端引入語音檢測演算法劃分語音段與非語音段。
  3. The experimental model is a rectangular section of 15. 2 187mm ~ 2, which is composed of two aluminum plates. the angles between the internal netted rib turbulators and the flow direction are 45 ? for the one plate and 60 ? for the other, or both 45 ? for two plates. in the experiment, the re numbers changes from 0. 4 10 ~ 4 1. 5 10 ~ 5, rib width - to - pitch are 0. 25, 0. 3 and 0. 5, rib width - to - height are 0. 25, 0. 3 and 0. 5, the rib height - to - hydraulic diameter ratio is 0. 246

    主要研究了在通道進口截面積(即無肋處的截面積) a為15 . 2 187mm ~ 2 、肋高與通道當量直徑之比e / de等於0 . 246 ,實驗雷諾數范圍在0 . 4 10 ~ 4 1 . 5 10 ~ 5之間的情況下,雷諾數re 、肋向角a 、肋寬與肋高之比t / e和肋寬與肋間距之比t / p等參數對通道強化傳熱與流動阻力特性的影響。
  4. Virtual pitch ratio

    實效螺距比
  5. Study on contact ratio of spiral bevel gears and influence of pitch error

    弧齒錐齒輪的齒距誤差對傳動性能的影響研究
  6. Surface, the easliy wear and tear parts use grinding - resistant material, extruding part use variable cylinder diamethe extruder with compact structuures, transmission gear with hard gear ter detachable pitch, great extruding p0ressure, high vacuum degree, low loading capacity ( electricity - saving more than 25 % than the same product ). it reaches advanced domestic level andcan replace imported items. it is suitable to produce hollow brick with high hole ratio, coal waste rock hollow bricks, shale hollow bricks, prower coal ash hollow - bricks. the extruder won the scienttific and technological progress pride of the lst building material scientific and techniques achievement exhibition in jiangsu province and the golden prize of the mational brick and tile energy - saving lxln achievement

    該機結構緊湊、傳動齒輪均系硬齒面,易損件採用耐磨材料、擠出部分採用變缸徑、變螺距、擠出壓力大、真空度高,裝機容量低(比同類產品節電25 % ) ,性能優于進口同類設備,適用生產高孔洞率空心砌塊、煤矸石、頁巖、精煤灰空心磚及各類高摻入量粉煤灰磚和低塑性原料磚,該機在江蘇省首屆建材科技成果展覽會科技進步獎; 94全國磚瓦節能四新成果展覽會金獎,西安國際博覽會金獎。
  7. The main technological characteristics include not only the integrated optimizing design of variable speed and constant frequency, ensuring the wind turbines to adapt to diversified wind plants with different temperatures and geographical conditions, but also the maximum wind power captured at optimized tip speed ratio below the rated wind speed and security protection of constant power output above the rated wind speed by variable pitch regulation

    主要技術特點是整體綜合優化設計、變速恆頻運行、適合不同氣候特點和地理環境的風電場;風機全翼展變漿距功率調節、額定風速以下最佳變速比運行最大風能捕獲、額定風速以上恆功率輸出具有安全保護功能。
  8. Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrode pitch - determination of the atomic c h ratio of the quinoline - insoluble material - section 1. 11 determination of the atomic c h ratio of the quinoline - insoluble material

    制鋁工業用碳素材料的取樣與試驗方法.電極用瀝青.喹啉不溶物中c h原子比的測定
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