阻抗信號 的英文怎麼說

中文拼音 [kàngxìnháo]
阻抗信號 英文
impedance signal
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 阻抗 : [電學] impedance
  1. Mutual coupling analysis of collinear antennas with signal and system concept

    利用與系統概念分析線天線的互
  2. This experiment was performed using the " yingqing " peach fruit and " chunxing " strawberry to study the changes of the main physiology - biochemistry characteristics and the microsome membrane ca + - atpase activities during the fruits ripening. the effects of ethylene, trifluoperizine ( tfp ) + ethylene and verapamil ( ver ) + ethylene treatments on the above changes were discussed. the objects of the thesis may further explore the role of calcium messenger in the ethylene signal transduction, and provide some new theoretical basis for further research of the microsome membrane ca2 + - atpase during the fruits ripening

    本論文以迎慶桃和春星草莓為試材,研究了兩類果實采后在25和4條件下主要生理生化變化和ca ~ ( 2 + ) - atpase活性變化以及乙烯、鈣調素拮劑tfp +乙烯和鈣通道塞劑ver +乙烯處理對其的影響,為探討果實成熟衰老過程中,鈣使系統在乙烯轉導中的作用,提供一定的理論依據,並為探索ca ~ ( 2 + ) - atpase在果實衰老中的作用及作用機制,提供實驗證據。
  3. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機,本文提出一種基於六個離散位置的自同步svpwm (電壓空間矢量法)控制方法,用以削弱電磁轉矩脈動,分析了實現這種方法的主要控制環節,包括起動時電壓空間矢量的初始定位,角與電流超前角的合理選擇以及連續轉子位置的估計等。
  4. Finally this paper propose the structure diagram of adaptive distance protection based on neural network impedance relay, which describes entire logic procedure from data acquisition unit to trip unit

    最後提出基於神經網路繼電器的自適應距離保護結構框圖,描述從採集單元到動作出口單元的整個邏輯過程,並對自適應距離保護的前景作出展望。
  5. In this paper, a method assessing harmonic impedance by synchronously layered distortion waves is proposed, which is based on the " fluctuations method " - a simple and effective means. however the method is based on the fourier transform, which can just precisely analyze the signals whose cycle is integer times as broad as that of fundamental wave. with sampling windows widening, the variations of distorted signals in a fundamental period are weakened

    本文是以一種被廣泛採用的非干預式諧波估計方法? ? 「波動量」法,的基礎上,針對現有方法以直接的fourier變換為分析工具,只能對基波周期的整數倍窗口采樣進行分析,畸變在一個基波周期內的變化隨采樣窗口增大而被弱化,並且,諧波次數越高,解析度就越低,大大限制了諧波估計的準確性的提高。
  6. Moreover, the higher harmonic order is, the lower distinguishability, and, as a result, the assessment accuracy becomes bad. considered its prominent localization both in time - domain and in frequency - domain, wavelet is used to the field of assessing harmonic impedance for the first time. we choose chaari wavelet because of its special band frequency characteristic, which can stratify signals synchronously and locate the distortion time precisely in assessing harmonic impedance

    選取chaari小波為母小波,利用其特殊的帶通特性,對在公共連接點( pcc )采樣得到的電壓,電流畸變波形進行同步分層, 「突出」的畸變部分,提高了被分析的「噪比」 ,以利於諧波估計準確度的提高。
  7. Great intermittent noise, wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line

    但是,電力線通通道存在間歇性噪聲大、隨負載變化大、衰減大等缺點,嚴重製約了它的有效利用。
  8. The key of calculating fractal dimension and lyapunov exponents is to establish a good phase space. moreover, catastrophe parameter is an important feature of nonlinear time series. methods of calculating fractal dimension, lyapunov exponents and catastrophe parameter from seismic trace are exhausted

    4 、 lyapunov指數混沌控制波反演的優化方法:從地震中反演出地下多層介質的波,以此判斷介質和含流體性質,是地球物理的難點和重點。
  9. The exportation resistance of a device work device with what link after loading the resistance s the certain connections for should satisfying, in order to prevent mount to load the appearance produce the obvious influence. with each other connect to say to electronics equipments, for example after signal connect the enlarger, ex - class to connect class, only behind first - degree importation resistance before larger than first - degree exportation resistance 5 - 10 times are above, can think the resistance to match good ; connect the box come saying, electronics tube the machine should choose to use with for the enlarger its output to carry the mark to call the resistance the box for, but transistor enlarger then have noing this restrict, can take officing why resistance of equal or approximate box

    一件器材的輸出和所連接的負載之間所應滿足的某種關系,以免接上負載后對器材本身的工作狀態產生明顯的影響。對電子設備互連來說,例如源連放大器,前級連后級,只要后一級的輸入大於前一級的輸出5 - 10倍以上,就可認為匹配良好對于放大器連接音箱來說,電子管機應選用與其輸出端標稱相等或接近的音箱,而晶體管放大器則無此限制,可以接任何的音箱。
  10. The basic principles still apply : ground impedance must be as low as possible, high level and low level signals must be separated so that they do not interfere with each other, and capacitance and mutual inductance coupling must be avoided

    前文提到的原理仍然適用:地線要盡量小,大功率和微弱要分開布置以避免串擾,一定要避免電容性耦合和電場耦合。
  11. The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example

    用譜分析法,把陣元問的互耦用陣列的歸一化矩陣來描述,推導了均勻線陣的最佳權矢量及干擾噪聲比的表達式,模擬計算了互耦對自適應天線陣列的干擾噪聲比的影響,給出了一種校正互耦的方法,數值模擬了校正的效果。
  12. Upon receipt of the hold-acknowledge, the dma knows that the bus are released.

    在接收到HOLD應答時,DMA便知道總線處于高狀態。
  13. Upon receipt of the hold - acknowledge, the dma knows that the bus are released

    在接收到hold應答時, dma便知道總線處于高狀態。
  14. The circular monopole ultra - wideband antenna has not only the extremely wide band in frequency domain, but also stable phase center, which makes the antenna radiate and receive the short pulse signals without any distortion, and suitable for various ultra - wideband communication systems or the single antenna of other multi - frequency operating communication systems

    這種天線不僅具有極寬的帶寬,還擁有穩定的相位中心。這使得圓盤單極超寬帶天線可以不失真地收發時域短脈沖。所以該天線不僅適用於超寬帶通中,還能夠作為復雜多頻工作系統的單一收發天線。
  15. It was difficult to measure the load voltage directly between inner and outer conductor of cable induced by shield current under low flux x ray. this paper introduces a measurement, pouring a current, which was same as cable approximately photocurrent in x ray test, into the shield of cable with a triocoaxial system, and the load voltage was got. finally the measured result of typical cable and comparison with the calculation was given with a special load

    在簡要介紹屏蔽電纜的轉移和轉移導納耦合的基礎上,描述了利用三同軸系統對雙電纜和等效負載組成的電纜系統進行電流注入,模擬電纜屏蔽層發射電流,測量芯線等效負載感應的實驗,給出實驗結果及分析,並對理論結果與實驗進行了比較。
  16. This thesis probes into design of microcomputer system taking single chip microcomputer as central, anti - interference, security segregate and design of interface circuit etc. furthermore, the option to cycle of sampling various frequencies examine signals is also analyzed and it was utilized in the examine system. thus, the dependability and stability problem of the microcomputer examine system of hydraulic resistance testbed have been solved better, make this test a modern techniques and practibility is good

    本文在以單片機為核心的微機系統的設計、介面電路設計、干擾技術及安全隔離技術等方面進行了較深入的研究,分析了不同頻率檢測采樣周期的選擇,並在檢測系統中得到了應用,較好地解決了水試驗臺微機檢測系統的可靠性和穩定性問題,使得該試驗臺技術先進、實用性好。
  17. The methods above have been simulated using emtp and matlab, and the simulation results indicate that, ( 1 ) in the fault location method based on wavelet reconstruction, the influences of reflected waves from tee joints or resistance discontinuities except the fault point can be eliminated when the current difference between faulty phase and sound phase is used in fault location

    本文利用emtp和matlab程序對上述方法進行了數值模擬,結果表明: ( 1 )在本文所提出的基於小波重構的電纜故障測距方法中,利用健全相和故障相的電流差進行故障定位,能消除故障點之外其他不匹配點的反射波的影響。
  18. Precise locating needs to detect the acoustic signal of the pipe leaks that has close relationship with the acoustic impedance of the leaks

    準確定位漏點須對漏損管道的聲進行研究,而漏損管道的聲與漏損點的聲密切相關。
  19. Pmosfets and two 16 - bits shift registers were used as the impedance converting and address selection of the elements respectively. the thermal insulation layer was a polyimide film of five micrometers an

    用pmos場效應管作熱釋電元件的轉換,用雙16位移位寄存器作敏感元件讀出的選址。
  20. The hardware is based on mpu. the circuits can magnify the weighting sensor signals, the - bioelectrical impedance signals, ecg signals and detect the qrs. there are the lcd and interface circuits

    硬體設計以單片機為平臺,設計了壓力傳感、生物阻抗信號、心電放大電路和qrs波的檢出電路,同時還有液晶顯示電路及單片機的介面電路。
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