performance range 中文意思是什麼

performance range 解釋
性能范圍
  • performance : n. 1. 執行,實行,履行;完成;實現;償還。2. 行為,動作,行動;工作。3. 性能;特性。4. 功績;成績。5. 演奏;彈奏;演出;(馴獸等的)表演;把戲。6. 【物理學】演績。
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  1. The test shall demonstrate to the satisfaction of the owner that the equipment meets all specified performance criteria, is properly installed and anchored, and operates smoothly throughout the specified speed range without exceeding the full load amperage rating of the motor or excessive motor heating

    測試應該讓用戶滿意,證明這些設備符合所有規定的性能標準,經過正確的安裝和錨固,在額定轉速范圍內運行平穩,沒有超過電機的額定滿負荷運轉電流安培數,或發生電機過熱。
  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測速的高精度信號處理技術,即首先利用加hanning窗的welch修正周期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,再引入能量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修正周期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,然後通過能量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. We provides a wide range of machines in the field, including 4 casses and more than 20 categories, such as screw dough mixers, paste dividing machine, shapc reparing machine, demark crisp machine and rotary frolley ovens and so on, which all sold out due to reasonable rice and reliable performance covering the market in north china and even exported to africa, south - east asia and south america, etc

    本公司產品現已形成四大類二十多個品種,主要生產的和面機、分塊機、整形機、酥皮機、熱風旋轉爐等麵包機械,依靠合理的價位、可靠的性能覆蓋了中國北方地區,並遠銷非洲、東南亞、南美洲等地區,產銷率100 % 。
  4. In chapter three, the author adopt conventional risk indices including p, bp and full range, and such portfolios management evaluation ratios as jenson ' s alpha, treynor ratio and sharpe ratio to evaluate risk - adjusted investment performance and relevant risk indices of value stock portfolio and of glamour stock portfolio in buy - hold average returns ( bhars ) and average monthly returns ( amrs ) term

    在文章的第三章,作者利用傳統的風險指標。 , ?刀,和全距以及夏普指數、特雷諾指數和詹森指數對上述持有期為一年的一維、二維等權和權重價值反轉投資策略的價值投資組合和魅力投資組合的風險和投資業績進行了計算,同樣從買入並持有收益率和組合月均收益率兩個角度入手。
  5. Harmonic distortion is one of the most common non - linear distortions, and it affects the playback performance of audio devices directly. harmonic distortion graph reflects the distortion distribution in the whole audio frequency range

    諧波失真是音頻設備最常見的一種非線性失真,它直接影響到音頻設備的重放效果,諧波失真曲線圖反映出設備在整個音頻范圍內的失真分佈情況,是衡量設備性能的重要參數。
  6. This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit

    本文研究了電感位移傳感器的結構、測量機理以及其整個測量系統的系統架構,並通過試驗認真分析了傳統的電感位移傳感器精密測量電路的優缺點,結合本課題的研究需要和技術要求,對傳統電感位移傳感器測量系統穩定不高,線性測量范圍小等不足之處進行了改進。
  7. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  8. The paper analyzes its performance with the range of the content of gas former, expanding pearlite and water - cement ratio

    文中對引氣劑用量、珍珠巖用量及水灰比對材料吸聲性能影響進行了研究與分析。
  9. Relaxor ferroelectric single crystals, such as pb ( mg1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pmnt ) or pb ( zn1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pznt ), have been reported to exhibit an extremely large piezoelectric constant and excellent electrostrictive properties. such excellent performance makes it fully substitute the traditional piezoelectric ceramics and points to a revolution in ultrasonic transducers, actuators and micro - positioners, making relaxor - based piezocrystals the most promising materials for a broad range of advanced applications. however, it is difficult to grow the high quality single crystals because of the lack of valid thermodynamic data

    新型弛豫鐵電單晶鈮鎂酸鉛(簡稱pmnt )或鈮鋅酸鉛(簡稱pznt )是一類新興的功能材料,其在準同型相界附近具有優于傳統壓電陶瓷的較高的壓電常數和電致伸縮系數,可完全代替傳統的壓電陶瓷作為超聲換能器、致動器、微位移器等,使其成為鐵電領域的研究熱點,但如何生長出滿足應用要求的單晶材料卻一直是一個困擾的問題。
  10. Performance requirements and test methods for doppler very high frequency omnidirectional radio range

    多普勒甚高頻全向信標性能要求和測試方法
  11. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線信號傳輸半徑的關系等,得出了其解析描述。
  12. The maximum range is the most important specification for a laser altimeter and 200km is the required level for the spaceborne laser altimeter in the lunar resources survey. in the paper, one kind of method and setting characterizing the laser altimeter ' s performance aiming at the specification of maximum range - noncooperative regulable attenuation was put forward and founded

    中科院知識創新重大方向?月球資源探測衛星激光高度計,要求實現200km的對月測距能力,本文以地面驗證激光高度計最大測程指標為目標,提出並建立一種激光高度計性能驗證方法?非合作目標可調衰減法和裝置。
  13. If can utilize hall ' s component to measure displacement under the condition of the simple magnetic field, increase the range of measuring ; it inertia little, merit that exposed to make it function in the measurement of vibration and in various kinds of displacement, become a kind of displacement sensor with fine performance. it can solve this difficulty to adopt the feedback servo mechanism

    若能在簡單磁場的條件下利用霍爾元件測量位移,增加測量范圍;它慣性小、非接觸的優點將使它在各種位移與振動的測量中發揮作用,成為一種性能優良的位移傳感器。採用反饋隨動機構可解決這個困難。
  14. A range of features for unrivalled performance

    新功能帶來的優異表現
  15. With modern weapon and modern wingmanship being developed, the higher performance of the radar, such as action range, resolution, measure precision and so on, are required

    隨著現代武器和現代飛行技術的發展,對雷達的作用距離、分辨力和測量精度等性能指標提出了越來越高的要求。
  16. In this paper, a high performance sma system applied to steel bridge deck is put forth in allusion to the pavement project of the wuhan junshan yangtze river highway bridge. it comprises steel slab, zn coating layer, closing layer, adhesive, pre - mixed asphalt stone and dual layer sma from bottom to top. it is based on the fea results of the forces and deformation of the pavement layer by means of the algor feas, according to this bridge ' s traffic and the ambient temperature varying range of the pavement layer

    本文針對武漢軍山長江公路大橋鋼箱梁橋面鋪裝工程,從鋪裝層環境溫度變化范圍、交通量等使用條件出發,在用algorfeas有限元分析軟體分析鋪裝層受力變形基礎上,提出了(即鋼板+金屬鋅塗層+封閉層+粘接劑+預拌瀝青碎石+雙層sma )的高性能鋼橋面sma鋪裝體系,並對這種sma的組成材料,包括改性瀝青、集料、礦粉、纖維進行了比較研究,設計了這種sma的配合比,對sma混合料的性能進行了對比試驗,對這種sma方案進行了疲勞性能研究,驗證了所選擇sma方案的可行性。
  17. The active range of motion ( arom ) of each finger joints is a useful tool for assessing finger performance

    摘要在探討病患因手外傷或類風濕性關節炎後手功能的恢復,最常使用的就是關節主動活動度的測量。
  18. Research projects, completed or ongoing, cover a wide range of topics, including manuscript study, avant - garde music in 20th - century europe, traditional music and performance practices in china and asia, cantonese opera, music and gender, film music, and commercial and popular music

    一直以來,音樂系研究的范籌涵蓋廣泛,當中包括手稿研究、 20世紀歐洲前衛音樂、中國及亞洲傳統音樂的演繹法、粵劇、音樂與性別、電影音樂、商業音樂及流行音樂等。
  19. Thanks to the advanced energy - saving hydraulic model, it is featured by high efficiency and wide performance range to better meet the operating requirements of users

    該系列泵由於採用了高效節能的優秀水力模型,因此具有效率高,性能范圍廣等優點,更好地滿足了用戶的使用要求。
  20. This name stands for movable immovables and also for an extraordinary performance range

    這個公司名稱代表了可移動的固定式結構,並代表了卓越的服務范圍。
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