示波指數 的英文怎麼說

中文拼音 [shìbōzhǐshǔ]
示波指數 英文
oscillometric index
  • 示 : Ⅰ動詞（擺出或指出使人知道; 表明） show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] （給...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. Doing a measurement with your dmm in the acv position on your dc circuit will give a quick indication of any excess ripple on the supply when you don " t have a scope at hand

    用數字萬用表的交流檔在直流電路上進行測量，將在供電端產生一個任意超額紋波的快速指示，如果手頭沒有示波器的話。
  2. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為，當信號集中的任一信號可表示為一系列已知信號的線性代數和時，信號集便構成可分解信號集，已知信號稱為基波信號；對可分解信號而言，基波系數構成一序列，當對指定的基波信號集分解唯一確定時，系數序列本身便是信號的一個表示；可分解信號采樣定理指出當基波樣值矩陣的秩等於基波數時，則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應，從而由該樣值序列構成的采樣必為完全采樣；可分解信號采樣定理中的推論指出，對信號集進行采樣，采樣頻率必須大於其信號分解的基波數與其對應時長之比；對有限帶寬信號，若基波信號為正弦信號時，由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  3. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其空化機理及對液體的流變性影響等特性，在燃油霧化燃燒中逐步引起人們的重視，尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律，以便找到超聲霧化的一些規律，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。
  4. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  5. Direct acting indicating analogue electrical measuring instruments and their accessories part 5 : special requirements for phase meters, power factor meters and synchroscopes

    直接動作指示模擬電氣測量儀器及其附件.第5部分:相位表功率因數表和同步示波器的特殊要求
  6. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  7. This signal is used to indicate whether a modem is connected to a working phone line and a data carrier signal is detected

    此信號用於指示是否數據機已連接到正常工作的電話線並檢測到數據載波信號。
  8. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。
  9. On the basis of investigation on oscillometric technique for non - invasive blood pressure measurements, and combined the technique with pulse - wave theory, this paper designs a blood pressure and artery stiffness measuring apparatus, which not only can measure blood pressure and heart - beat - rate accurately, but can calculate the measurer ' s arterial stiffness index and vascular compliance. the apparatus provides an effective instrument for doctors to determine the measurer ' s cirrhosis level

    本論文在研究分析無創血壓測量方法示波法的基礎上，結合脈搏波理論，設計出一種準確高效的血壓與血管硬度測量儀，該儀器不僅能夠準確測量出受試者的血壓與心率，還能夠計算出受試者的動脈彈性指數和臂動脈順應性，為醫生判斷患者的動脈硬化程度提供一種有效的檢測手段。
  10. Put forward the method to calculate artery stiffness index based on oscillometric technique and flexibility theory of vascular wall

    從示波法波形出發，依據動脈血管臂彈性理論，提出了一種簡單無創的測量動脈彈性指數的方法。
  11. According to dynamic characteristic of combustion and various disturbances, flame images are smoothed and enhanced. based on a great deal of research experimentation, a new detection algorithm and flame evaluate index are presented

    針對燃燒過程的動態特性和各種隨機干擾，對火焰圖像進行了濾波、增強和偽彩色顯示等預處理，並在大量研究試驗基礎上，提出了新的檢測演算法和基於火焰幾何特性的火焰評價指數。
  12. It is found that after stressed by surges the varistors show a decrease in both break - down voltage and nonlinear exponent, and an increase in leakage current

    實驗結果顯示，氧化鋅變阻器受突波侵襲后，會生成崩潰電壓降低，非歐姆指數值減小，以及漏電流增加等劣化現象。
  13. The project is to develop the 100mhz wideband digital storage oscilloscope ( wdso ) ， typical performance character : input signal - 3db bandwidth is 100mhz, real time sampling frequency is 20msa / s, equivalent sampling frequency is 10gsa / s, resolution is 8bits, dual signal channel, and delicacy is 5mv 5v div per channel ， time sweep velocity is 2. 5ns - - 5s div 。 so the project is provided with higher performance - to - price ratio, stronger competitive capacity in market and widest applied foreground at the area of wdso

    本次課題的具體目標是實現100mhz帶寬的數字存儲示波器正樣機的研製，具體主要性能指標達到最高實時采樣率20msa / s 、等效采樣率10gsa / s 、被觀測信號3db模擬帶寬達100mhz 、采樣數字解析度8bit ；雙通道，幅值靈敏度： 5mv 5v div ，掃速2 . 5ns - - 5s div 。該方案具有較高的性價比，較強的市場競爭力和廣闊的應用前景。
  14. The sub - committee noted that analysis using the mci suggested that swings in the reer resulting from the asian financial crisis had led to tighter, and subsequently easier, financial conditions than were indicated by changes in the real interest rate alone

    委員會獲悉運用貨幣狀況指數所作的分析顯示，因亞洲金融危機引致的實質港匯指數波動所帶來的金融狀況變化，相對于單以實質利率變動反映的更為緊絀，其後也更為寬松。
  15. By means of the bourdon spring the temperature value can be displayed by rotating a pointer up to 270 on a scale

    通過波登彈簧，在刻度盤上旋轉指針最大270來顯示溫度數值。
  16. The principles and arithmetic for designing and realizing the virtual digital stored oscilloscope, virtual frequency analyzer and virtual function generator, which are based on labview, are discussed in detail. the performance of the virtual instruments is tested, and the specification is given

    詳細的分析了基於labview的虛擬數字存儲示波器、虛擬頻譜分析儀和虛擬函數發生器的設計和實現的原理及演算法，並且對于各虛擬儀器進行了性能測試，給出了性能指標。
  17. The thesis mainly deals with the third part of across : " sompi " cepstrum methods. the principle and system structure of across a re first introduced. the propagation of wave in media is simply studied and its transfer function in frequency domain is modeled as superimposed damped exponential sinusoids, each damped exponential sinusoid is called as a wave element and its exponential index part consists of two factors : group velocity travel time and decayed factor

    為此，首先介紹了across的原理與組成和通過簡單地討論地震波在介質中的傳播情況建立起介質的傳遞函數模型，指出：在一個狹窄的頻率窗口裡，介質的傳遞函數可以用有限個阻尼正弦項的疊加的形式表示，每個阻尼正弦項代表一個波成分，其指數部分包括兩個因子：波成分在介質中的傳播時間和衰減因子。
  18. After using in practice, it is achieved that the tester ' s functions and precision which is required in design. the testing parameters " waveform recorded by tester is as same as the waveform recorded by oscilloscope

    測試儀經過實際使用驗證，各項操作功能滿足設計要求，測量精度達到技術指標的規定，測試儀對各測量參數的記錄波形與示波器所記錄的波形基本一致。
  19. To assess risk level, check these three factors : the fund ' s biggest quarterly loss, which will help you brace for the worst ; its beta, which measures a fund ' s volatility against the s & p 500 ; and the standard deviation, which shows how much a fund bounces around its average returns

    關于如何判斷風險水平，請參照以下三個要素:基金每季度的最大損失，這能幫助你做好最壞的打算;貝塔系數，它能反映基金相對標準普爾指數的波動程度;標準差，這能夠顯示一個基金圍繞其平均收益上下搖擺的幅度。
  20. Direct acting indicating analogue electrical measuring instruments and their accessories. part 5 : special requirements for phase meters, power factor meters and synchronoscopes

    直接作用的指示用模擬電氣測量儀器及其附件.第5部分:相位計功率因數計和同步示波器的特殊要求
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