峰值通量 的英文怎麼說

中文拼音 [fēngzhítōngliáng]
峰值通量 英文
peaking flux
  • 峰 : 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）
  • 通 : 通量詞（用於動作）
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 通量 : [物理學] flux; shower
  1. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。
  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. Peak of luminous intensity luminous flux

    發光強度光通量峰值
  4. The entering of the tourist and lamp - light gave much energy to furong cave and the temperature in the cave rised slowly. the different temperature between the outer and the inner as the air circulation, would make the cave wet seriously in the summer and dry in the winter. the density of co2 would go up because of piston - effect, cave depositing and the tourists " entering

    遊人的進入和洞穴燈光的使用，給芙蓉洞內帶來了大量的能量，致使洞穴空氣升溫；由於動內外的溫度差和空氣的流通，開放的洞穴出現夏季高濕，冬季乾燥的變化現象； co _ 2的濃度會因為活塞效應、洞穴沉積和遊人的進入而升高，但影響最大的還是遊人，當遊客量較大的時候，洞穴co _ 2的濃度會隨遊人進入的數量增加而明顯升高，洞內co _ 2含量峰值記錄最高出現了6200ppm的記錄。
  5. Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected

    在研究時域平移的離散頻譜相位差校正方法和改變窗長離散頻譜相位差校正方法的基礎上，發現這幾種離散頻譜相位差校正法的基本原理是一致的，就是通過時移和加不同的對稱窗進行兩次fft分析，並利用離散頻譜對應峰值譜線的相位差以求得頻率和相位校正量。
  6. In improved uep scheme, the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions. those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network. simulation has shown that using proposed scheme, the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2. 70kbits and 0. 33 kbps respectively

    模擬實驗表明，本方案能在無噪通道中有效降低編碼器端8240位元組的打包開銷和2 . 70kbit的輸出比特數以及0 . 33kbps的比特率，而在有噪通道中可使解碼輸出重構視頻圖像的視覺質量得到一定程度的提高，亮度分量峰值信噪比可增加近1db 。
  7. In this paper, through modeling and analyzing the non - continuities in the rf structures of twt, scattering parameter s11 is derived to represent the peak - peak values of the ripples of gain and phase - shift in traveling wave tubes, providing with some instructions for the controlling of the uniformity of gain and phase - shift in twts

    本文通過對具有高頻不連續性的行波管進行建模分析，用表徵不連續性的反射系數的幅度給出了行波管增益和相移峰峰值的量級，對控制相位一致性行波管的不連續性提供了依據。
  8. At last, in according to the experiment results, the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation. further more, the relationship among the limit frequency, the value of prepressing, excitation frequency, the amplitude of excitation and the materiel parameter was analyzed. base on the theory analysis the limit frequency formula was given, and the contact - slip condition for engineering application was concluded

    最後根據理論研究與試驗分析的結果，分析預緊接觸式彈簧阻尼系統產生滑移現象的機理以及共振峰值漂移現象的理論解釋，並通過定性分析接觸分離時的頻率與預緊量、激勵頻率、激勵力幅值以及墊層的材料參數之間的關系，提出能定量描述系統出現滑移現象的極限頻率公式，總結了預緊接觸式結構始終保持接觸的條件。
  9. Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations

    根據實驗要求，通過對鋼板達到飽和磁化的必要性進行的分析，設計了符合試驗條件的勵磁磁路，並設計了一套實驗驗證系統；根據圓形缺陷法線分量漏磁場幾何圖形正負雙峰值的特點，採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數，給出了圓形缺陷漏磁場幾何圖形的峰峰值與圓形缺陷的直徑和深度以及峰峰值間距與圓形缺陷直徑的兩個回歸擬合方程，並通過實驗驗證系統驗證了擬合方程的正確性，利用這兩個簡單實用的擬合方程，提出了一種工程定量檢測圓形缺陷的應用方案。
  10. There have very relativity in all kinds of threshold index, when other condition don ? change, different index as peak hour volumes, vpd, the size of new development and los etc may be interchangeable

    在閾值中各類指標之間具有很大的相關性。當其它條件一致時，不同指標，如高峰小時交通量、 vpd （日交通量） 、設施的開發規模、 los摘要一等可以相互轉化。
  11. Threshold for tia include threshold of los of the road network around the new development, the peak hour or daily traffic volumes threshold and the size threshold of new development

    交通影響分析閾值（ thresholdfortia ）主要包括三種：建設項目周圍路網服務水平的閾值、建設項目在特定時間（高峰小時或全日）將產生的交通量閾值、建設項目本身的規模閾值。
  12. Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division

    同時就ofdm系統中的一些關鍵問題如峰值平均功率比（ papr ）太高，同步問題，通道估計，通道、比特與功率必須動態分配進行了研究，著重研究了通道估計問題並提出一種改進的方法，能濾除更多的噪聲分量和插值誤差，提高系統的性能；為了提高抗窄帶噪聲的性能和提高通道利用率，用malvar小波變換實現了不等帶寬分配。
  13. Through processing of digital signals, the energy spectrum of bearing vibration has been obtained, and the gray incidence dynamic matrix being improved, and the energy spectrum of front and rear shafts being analysed by using the said matrix, and the prediction method of maximal peak value of the ball mill ' s coal pulverizing capacity being put forward

    摘要通過數字信號處理獲得軸承振動能量譜，對灰關聯動態矩陣進行了改進並用其對前後軸能量譜進行分析，提出了磨煤機制粉出力的最大峰值的預測方法。
  14. It is found that : ( 1 ) for linear slope, redistribution of incoming energy flux in modenumber space depends on both the modenumber of incident waves and the ratio of the slope of incident wave ray to slope of topography ; both the transmitted and reflected energy flux ( only for supercritical linear slope ) focus near one or two modenumbers ; for supercritical linear slope, the energy flux scattering to higher modenumbers becomes larger and the energy flux to lower modenumbers becomes smaller as the slope of incident wave ray comes near to slope of topography ; ( 2 ) for convex slope, energy flux is redistributed in wide - range modenumbers and also show peaks on lower - modenubers and higher - modenumbers ; ( 3 ) for concave slope, energy flux is also redistributed in wide - range modenumbers, but does not show peaks on higher - modenumbers as supercritical linear slope and convex slope do ; ( 4 ) the total energy flux scattering to higher modenumbers is approximately equal to the total energy flux to lower modenumbers for internal waves propagating over both convex slope and concave slope, which means the concave slope is the same efficient to convex slope in scattering energy flux to higher modenumbers ; ( 5 ) for convex slope, the wave ray reflected from near - critical topography can extend to deep ocean and shallow shelf, while for concave slope, the wave ray reflected from near - critical topography can only extend to limited distance, then meet the topography and be reflected again ; generally the shear of the internal waves reflected twice from concave slope is not enhanced while the enhanced shear does also appear before second reflection takes place, the enhanced shear can bring about intense mixing, so internal waves reflected from concave slope can also produce marked mixing near critical slope

    3 、內波在凹地形上傳播時，能通量在模態上的分佈范圍也比較寬，但與凸地形和超臨界線性斜坡地形相比，能通量在高模態上的分佈沒有明顯的峰值。 4 、從總的能通量來講，內波在凸地形和凹地形上傳播時，向高模態散射的能通量與向低模態散射的能通若十地形下內波傳播及內潮生成問題的理論解量近似相等，這意味著二者在向高模態散射能通量方面具有同等效率。 5 、凸地形上臨界點附近的反射，反射波的波射線能夠延伸到深海和陸架，凹地形上臨界點附近的反射，反射波的波射線很快遇到地形發生二次反射，一般來講二次反射后回到深海的波動其速度剪切並不很強，但是在進行二次反射之前的區域，速度剪切仍然很強，因而內波在凹地形上的反射依然能夠在地形附近區域，產生強的速度剪切區，誘發混合。
  15. Direct current, peak to peak amplitude of the measured quantity is implemented. the whole system has the integrated functions of data process, communicate, display, etc. during designing the hardware, in order to improve the whole system ’ s interference immunity, the advantages of small outline ( so ) chip is fully considered by proper redistribution, the analog parts and digital parts are separated by optoelectronic isolator to reduce the interaction

    本課題根據黑龍江省計量研究院的要求，依據最新測量理論設計了直流測量模塊，其性能已經達到了萬分之一的精度，實現了一個集直流電壓、直流電流及峰峰值測量於一體，具有數據處理、通訊、顯示等功能的單片機測試系統。
  16. In succession, tini thin film is deposited on single - crystal silicon substrate using optimized parameters utilizing sputtering, and its transformation temperature ( a * ) is 72 ? indicated by dsc curve after being annealed in an ultra - high vacuum ( uhv ) chamber. in addition, the composition of the silicon - based tini film was analyzed by an energy dispersive x - ray spectroscopy ( eds ), and the ti content in the film is approximately 51at %

    按照改進的工藝參數，在單晶硅襯底上濺射-淀積了tini薄膜，並進行了超高真空退火， dsc法測得其馬氏體逆相變峰值溫度為72 ，利用能譜分析（ eds ）技術測得其ti含量約為51at ，通過對非晶tini薄膜與單晶硅襯底之間的界面進行eds及x射線衍射（ xrd ）分析，發現在用大功率（ 2000w ）直流磁控濺射法制備tini薄膜過程中，存在ti 、 ni與si的雙向擴散，發生了界面反應，並有三元化合物ni _ 3ti _ 2si生成。
  17. In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission, via turning the nonlinear receiver ' s parameters, is studied over an additive white gaussian noise ( awgn ) channel. it is demonstrated that the channel capacity of binary communication systems, for a given signal added noise, can be maximized by optimal designed receivers. this new form of sr is referred to as psr in a broad sense

    本文研究並設計了含有雙穩態隨機共振系統作為一個接收裝置的基帶數字通信系統，在加性高斯白噪聲通道中，通過研究這個非線性接收器的性能，發現了數字信號傳輸中存在的參數調節隨機共振現象?通道容量隨著系統響應速度的增加具有一個共振峰值，並對這種非線性現象發生的基本機理進行了解釋。
  18. By analysis of frequency spectrum based on matlab platform, wavelet method in the application of cutting out a section of inputting earthquake wave was presented. in the process of pseudo dynamic test results, the method of non - dimensional representation and analytic representation of hysteretic curve was provided. the above two methods will help to compare dissipation energy capacity of this structure at the different acceleration peak value stage of pseudo dynamic test more precisely and comparably

    通過基於matlab的地震波頻譜分析，說明了小波分析方法在擬動力試西安建築科技大學博士學位論文驗中地震波截取方面的應用；在擬動力分段試驗數據的處理方面，本文將試驗結果的無綱量表示方法以及曲線的多項式擬合法引入滯回曲線的數據處理，這將有助於擬動力試驗不同加速度峰值條件下，各階段結構耗能能力的客觀比較。
  19. Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    通過試驗研究得出系統在不同的流量閥開度、不同溢流閥調節壓力（進口壓力）下，液壓缸兩腔壓力p _ 1 、 p _ 2隨階躍負載變化的規律：當出口節流調速系統的回油路上串接節流閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是減小的，上升時間、峰值時間以及調整時間也是減小的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。
  20. If syringe injection, which is irreproducible at the high pressures involved, must be used, better quantitative results are obtained by the internal calibration procedure where a known amount of a noninterfering compound, the internal standard, is added to the test and reference standard solutions, and the ratios of peak responses of drug and internal standard are compared

    如果要使用注射器注射劑（在高壓下無法再生） ，通過內部校對規程會得到更佳定量的測定結果，在內部校對規程中，已知數量的非干擾化合物（內部標準品）被添加到測試品和標準參考溶液中，可以比較藥品和內部標準品的峰值響應比率
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