峰值速率 的英文怎麼說

中文拼音 [fēngzhí]
峰值速率 英文
peak rate
  • : Ⅰ名詞1. (山的突出的尖頂) peak; summit 2. (形狀像山峰的事物) peak-like thing Ⅱ量詞(用於駱駝)
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 速率 : speed; rate; tempo
  1. 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譜,搜索其譜,接著利用goertzel頻譜細化演算法對搜索的譜進行細化分析,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得到功譜及,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。
  2. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料、解決pmsm提高電動機運行狀態時的弱磁擴能力和減小發電機運行狀態時的電壓調整之間的矛盾及提高電機的效著手,分析了長徑比、氣隙長度對有效材料的影響,並確定了它們的最佳尺寸。
  3. Therrnogravimetric analysis at heating rates 5, 10, 15 and 20 c / min was used to study the decomposition kinetics of the pdms / pma ipn in ni and in air by using tg and dtg, and the upper limit of the temperature was 700 c. it was found that ipn began to decomposite at 350 c. the process of the thermal degradation was multiple steps, the curve of the rate of thermal decomposition had two peaks, one of which lied between 400 c ~ 420 c and the other lied between 500 c ~ 540 c, the result corresponded to the components of ipn

    在熱分解動力學研究中,通過在兩種氣氛中,分別以5 、 10 、 15和20 min四種升溫條件下,採用tg - dtg聯動測試, ipn材料在350開始熱分解。熱分解存在兩個,一個分解在400 420之間,另一個在500 540之間,這與ipn結構中包含兩組分相對應,同時發現當緩慢升溫時,特別是在空氣氣氛中,兩個分解減弱,熱分解趨向於一個連續過程。
  4. The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track

    摘要分車道行駛輪跡橫向分佈頻曲線顯示,渠化程度較高的高公路水泥混凝土路面磨損破壞主要集中在行車道輪跡范圍。
  5. In order to improve the efficiency of classification based on feature matching, the method of azimuth estimation from sar image is studied. a method of target ' s azimuth estimation from sar image using peak featur e based on linear regression is proposed, besides goodish estimation accuracy and high computation efficiency, it can also provide the confidence interval of the estimation, which can meet the need of model - based sar atr system that uses feature very well

    為了提高基於特徵匹配的saratr系統的分類效,論文進一步研究了sar圖像目標方位角估計方法,提出了一種利用特徵基於線性回歸的sar目標方位角估計方法,該方法除了具有計算度快、估計精度較高的特點之外,還能在估計方位角的同時,給出該估計的置信區間,從而能更好地滿足利用特徵基於模型saratr系統的需要。
  6. After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band

    接著在詳細闡述了802 . 11b協議核心調制技術?互補碼鍵控( cck )的原理的基礎上,本文提出並實現了一種傳輸為11mbps的802 . 11bpcmcia高無線網卡的硬體電路設計方案,在2 . 4ghz頻段該網卡可在14個工作通道上自動切換,實現高突發數據的可靠傳輸。
  7. Electro - optical system in high peak power multi - beam klystron

    多注調管電子光學系統的研究
  8. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水對波影響比較大,飽和巖樣的聲波傳播度高於不飽和巖樣的聲波傳播度;人工預制裂紋對聲波傳播度影響不大;單軸壓縮條件下,聲波傳播度隨應變增加逐漸降低;在同一溫度( 160 )下,波隨保溫時間的增加而逐漸降低;在對巖樣逐漸加熱情況下,初始加熱階段波略有升高,當溫度達到60時,巖樣波達到,之後隨著溫度繼續升高其波逐漸下降;波隨溫度變化具有一定的尺寸效應。
  9. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和度不相容;振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激波形成及運動的因素都將對振蕩頻、冷效應及熱效應產生影響;當充、排氣時間比為0 . 1763時,最佳射流激勵頻出現在高階振蕩頻上。
  10. The yarkant river flood dynamic rule is extremely complex, extremely high rises the speed by it, the unusual high flood peak value is world famous

    摘要葉爾羌河洪水動態規律極為復雜,以其極高的起漲、異常的高洪聞名於世。
  11. Because ga possesses the traits of can global random search, the robustness is strong, been use briefly and broadly, it didn ’ t use path search, and use probability search, didn ’ t care inherence rule of problem itself, can search the global optimum points effectively and rapidly in great vector space of complicated, many peak values, cannot differentiable. so it can offset the shortages of nn study algorithm, can reduce the possibility that the minimum value get into local greatly, the speed of convergence can improve, interpolation time shorten greatly, the quantity of training reduce

    因為遺傳演算法具有全局隨機搜索能力,魯棒性強、使用簡單和廣泛的特點,它不採用路徑搜索,而採用概搜索,不用關心問題本身的內在規律,能夠在復雜的、多的、不可微的大矢量空間中迅有效地尋找到全局最優解,所以可以彌補神經網路學習演算法的不足,使陷入局部最小的可能性大大減少,使得收斂度提高,訓練量減小。
  12. The seasonal variation of photosynthesis rate and transpiration rate of achnatherum splendens leaf was regular and reached the higher point in june and august

    芨芨草光合蒸騰的季節變化存在極強的規律性,即分別在6月和8月達到
  13. The results show that minor and major earthquakes calculated from moderate earthquake have not consisted probability and the ratios of bedrock peak accelerations under different exceeding probabilities are closely correlative with earthquake environments

    結果表明,由中震地震動參數換算得到的小震、大震地震動參數不具備一致概水平,不同概水準下基巖度的比與地震環境密切相關。
  14. So its naissance brings a lot of hope and promotion to application and deploitation of milimeter and submilimeter - wave. because of gyrotron, s superiority of high peak power and average power among many known milimeter and submilimeter - wave gyrodevices, it has been paid much respect in the world for application in many areas such as plasma heating, rf accelerator, millimeter radar, dew and so on

    由於迴旋管具有在毫米、亞毫米波段其它器件無可比擬的高、高平均功的優越性,因此在受控熱核聚變等離子體的迴旋管加熱( ecrh ) 、電子高能rf加、雷達系統、通信系統以及定向武器( dew )等方面都有著廣闊的應用前景。
  15. Energy distribution involves many radar ' s parameters, such as peak power of transmitter, maximum pulse width, antenna gain, rotating speed of antenna, beam width, covering range of elevation, maximum height and range and so on

    能量分配牽涉到雷達系統的各種重要參數如發射機、最大發射脈寬、天線增益、天線轉、波束寬度、仰角覆蓋范圍、最大高度覆蓋、最大作用距離等。
  16. The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made

    第三,對調管同軸線濾波器寬帶輸出迴路進行研究和探索,設計出了一個適合用於l波段多注調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出迴路,並對其穩定性和容限做了一些分析。
  17. This source will have a power output of about 2. 5gw with 25 % efficiency at 5. 2ghz. the input modulate voltage is 125kv and the post - accelerating voltage is 600kv

    在調制腔電壓125kv 、加間隙電壓600kv和電流15ka時,在c波段獲得了約2 . 5gw和約25效的數模擬結果。
  18. Asymmetric profiles of tip clearance have little influence on rotor peak efficiency, and the degree of degredation is in rat io of the level of asymmetry at circumferentioal direction

    轉子尖部間隙周向布局的變化對失裕度及效的變化起負面影響,且隨著周向變化的程度加大,這個惡化趨勢也加大,但對的影響較小。
  19. Fast 7200 rpm spindle speed and eide ultra ata 100 for burst transfer rates up to 100 mb s. for even higher performance, consider wd caviar se16 sata 3 gb s hard drives

    高達7200 rpm的心軸度,和傳輸峰值速率高達100mb秒的eide ultra ata 100想要得到更高的性能,請考慮wd caviar se16 sata 3 gb秒硬盤。
  20. Fast 7200 rpm spindle speed and eide ultra ata 100 for burst transfer rates up to 100 mb s. for even higher performance, consider wd caviar se16 sata 300 mb s hard drives

    高達7200 rpm的心軸度,和傳輸峰值速率高達100mb秒的eide ultra ata 100想要得到更高的性能,請考慮wd caviar se16 sata 300 mb秒硬盤。
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