抖動信號 的英文怎麼說

中文拼音 [dǒudòngxìnháo]
抖動信號 英文
dither signal
  • 抖 : 動詞1 （顫動;哆嗦） tremble; shiver; quiver 2 （振動; 甩動） shake; jerk 3 （振作; 鼓起精神） rou...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 抖動 : （顫動; 用手振動）1 shake; tremble; vibrate; chatter 2 agitation; joggling; whipping; flutter; ji...
  1. Clock recovery is an important and difficult part of tdm access, so the thesis will emphasize on it. and two methods of clock recovery are proposed in the thesis

    然後，本文對同步時鐘統計恢復法進行了分析，推導出了時鐘信號低頻抖動的時域和頻域特性公式，並利用matlab對低頻特性進行了模擬分析。
  2. So it is necessary to find a way to constrain the self - dithering interference of the non - contact life - detection system and raise snr so as to extract the life - parameter signal of human subject

    因此，必須設法抑制由於外界作用而使非接觸生命參數檢測系統產生的自抖動干擾，提高信噪比，檢測出人體的生命參數信號。
  3. In practice, the dithering of non - contact life - parameter detection system made by our group is produced because of the environmental factors such as wind, vibration, motion and so on. the amplitude of the dithering signal is stronger than that of the life - parameter signal, which makes it difficult to extract the life - parameter signal

    第四軍醫大學碩士學位論文本課題組研製的非接觸生命參數檢測系統實際工作時，由於外圍環境的干擾（風、振動、移動等）可以導致檢測系統產生抖動，這種抖動信號的幅度大於人體的生命參數信號，甚至導致檢測系統無法檢測出人體的生命參數信號。
  4. Oscillator generated a wave with frequency 132 khz as the clock signal

    振蕩器電路產生一個頻率在132khz附近抖動的矩形波作為整個電路的時鐘信號。
  5. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節器來講， pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果，本文選擇無差拍電壓空間矢量控制為系統控制策略，這種控制方法具有采樣頻率低，開關頻率與采樣頻率的差距小，能有機地產主零矢量、跟蹤精確以及無抖振等優點，動態響應快。
  6. Carry on emulation to melp standard, realize that the compression of the pronunciation file is solved and pressed. first this thesis sample to wav file, carry on the speech to analyze and draws with the parameter to the speech data of every frame. these parameter include pitch, bpvc, jitter, lpc, etc. then, these parameters will be quantized by msvq technology

    該系統首先對語音信號進行采樣；按幀對語音數據進行語音分析和參數提取，提取的參數包括基音周期（ pitch ） 、多帶清濁音判別、非周期抖動標志、線性預測參數（ lpc ）等語音生成模型參數；接著對這些參數進行了量化，量化採用了多級矢量量化技術；最後在解碼端對各個量化參數進行解碼，利用這些參數結合語音合成模型重構語音。
  7. Gleam, the move, distinguish the rate to lower with the aspect ratio unusually belong to not nature signal

    閃爍抖動解析度降低和縱橫比異常就屬于非自然信號。
  8. For computer - controlled systems applications, each counter includes a standard gpib interface with full scpi - compatible programmability and a data transfer rate of up to 200 fully formatted measurements per

    統計信號分析可以很容易評價抖動和其它異常情況，並在進行測凡量的平均值，最小值，最
  9. The paper compares some algorithms on rs decoding, makes improvements based on the me algorithm, removes the modifying step in decoding truncate rs code, corrects unsuitable statements in the related papers, and parameterizes the rs decoding module, reducing its area by 20 %. the paper overcomes the signal integration problem in multi - clock design, greatly lowers the phase jitter without area increase, introduces pll to adjust rate for the first time, and parameterizes the module

    本文比較了實現rs解碼的幾種演算法，並在me演算法基礎上進行改進，創造性的去掉了縮短碼解碼中的校正環節，糾正了有關論文中的不當論述，並將rs解碼模塊進行了參數化設計，同時也將rs解碼的規模縮小了20 ；克服了多時鐘設計中的信號完整性難題，在沒有增加模塊面積的條件下，大幅降低數據的相位摘要抖動，首次引入鎖相環來調整速率。
  10. To study the periodical electromagnetic pulses with random timing jitter radiated by electromagnetic pulse transmitters, the psd ( power spectral density ) of periodical electromagnetic pulses with random timing jitter was obtained based on the analysis of the - function of the psd of timing jitter

    摘要針對工程實踐中電磁脈沖發射機輻射的隨機時間抖動周期性電磁脈沖信號，在分析隨機時間抖動周期-函數功率譜密度的基礎上，得出了隨機時間抖動周期性電磁脈沖串的功率譜密度。
  11. Dithering, which adds white noise to the input analog signals, may be used to reduce quantization noise

    在輸入模擬信號中加入白噪聲，即抖動，可以降低量化噪聲。
  12. While motion artifact is caused by non - regular shiver of patient. given enough time delayed, motion artifact signal have poor or even no self - corelation. so do the other sort of interaction noise. thus these two category of signal may be distinguished by there characteristic of self - correlation, and the noise may be eliminated

    運動偽差，一般都是由被測對象不自覺地或不受控地抖動引起，因而只要時間足夠長，運動偽差信號在時間上相關性極弱或先後不相關;同樣，其他的高低頻干擾如高頻電刀的干擾亦是如此。
  13. According to those practical problems mentioned above, this subject mainly deals with problems as follow : 1 ) carrying out lots of theoretical experiments and systematizing some theory knowledge of the detecting system. 2 ) studying the correlativity between the referring signal and the primary signal of the adaptive filter. 3 ) studying the effects of constraining the self - dithering interference based on fixed step - size ( fss ) and variable step - size ( vss ) lms algorithms. 4 ) designing the subsystem including hardware and software, developing the software and optimizing the adaptive algorithms for constraining the self - dithering interference of the non - contact life - parameter detection system

    本課題根據實際中出現的上述問題，主要從事了以下工作： 1 、非接觸生命參數檢測系統的原理性實驗、野外實驗及部分理論知識的整理； 2 、自適應處理參考信號與原始信號相關性的研究； 3 、基於固定步長和可變步長兩類lms自適應演算法抑制非接觸生命參數檢測系統自抖動干擾效果的研究； 4 、非接觸生命參數檢測系統自抖動于擾抑制系統設計、軟體研製和演算法的優化。
  14. The frequency band extension with time base jitter is also studied by simulation. the results show that the compensation of time jitter can reduce the error of signal and then increase the accuracy of frequency band extension

    對時基抖動的頻帶展寬技術的模擬結果表明，通過擴展的概率密度法對時基抖動的補償，可以減小信號的誤差，因而提高頻帶展寬的精度。
  15. In this paper the dithering of beam light, the undulating of beam intension, spread of the beam light and the dithering of image are introduced

    摘要文中介紹了激光信號通過隨機大氣通道時，大氣湍流效應造成了光束抖動、強度起伏，光束擴展和像點抖動等現象。
  16. Rc and other relaxation oscillators just will not do since amplitude noise in whatever circuit functions as a comparator will appear as phase noise on the output signal

    Rc諧振器以及其它一些張弛振蕩器不能滿足要求，這是因為它們的核心是電壓比較器，需要利用電壓信號的波動（噪聲）來獲得穩定的輸出，這種波動就構成了時鐘的抖動。
  17. At the same time, the influence of the parameter - estimating error and the noise on amplitude of the signal are discussed, and simulation was performed to validate the analysis result

    同時，還從理論上分析了參數估計誤差和信號幅度噪聲對測量時鐘抖動的影響，並進行了模擬驗證。
  18. During my studying of postgraduate, i have accomplished above - mentioned researches and results listed below : 1 ) accumulated lots of experimental data of non - contact life - parameter detection system under different conditions, which is a good foundation for the next stage of this research. 2 ) brought forward the method of using adaptive processing to constrain the self - dithering interference. 3 ) brought forward the method of using acceleration sensor to detect the self - dithering interference as the referring signal of the adaptive filter. 4 ) compared the performances of adaptive algorithms based on fssms and vsslms, which is the basis of parameter - setting for applying adaptive processing to constrain the self - dithering interference in this subject. 5 ) constructed the mathematical model between the self - dithering interference and its radar return signal. 6 ) drew the conclusion of that there exists the correlativity between the self - dithering interference and its radar return signal. 7 ) drew the conclusion of that there exists the adding relation between the radar return signal of the self - dithering interference and the detecting signal. 8 ) developed the software for constraining self - dithering interference of non - contact life - parameter detection system

    在就讀碩士研究生期間，本人從事以上工作取得的主要研究結果有： l 、積累了大量的不同條件下非接觸生命參數檢測系統的實驗數據，為檢測系統的下一階段研究打下良好的基礎； 2 、提出了採用自適應處理抑制非接觸生命參數檢測系統的自抖動干擾； 3 、提出了採用加速度傳感器檢測非接觸生命參數檢測系統的自抖動干擾作為自適應處理的參考信號： 4 、比較了固定步長和可變步長兩類ms自適應演算法的性能，為自適應演算法應用於本課題的研究提供參數設置依據； 5 、建立了非接觸生命參數檢測系統自抖動和自抖動雷達回波信號之間的數學模型； 6 、得出了非接觸生命參數檢測系統自抖動和自抖動雷達回波信號具有相關性的結論； 7 、得出了非接觸生命參數檢測系統自抖動雷達回波和第二頁第四軍醫大學碩士學位論文檢測信號具有加性關系的結論； 8 、研製了非接觸生命參數檢測系統自抖動干擾抑制軟體。
  19. The effects of sampling clock jitter on signal - to - noise ratio ( snr ) and effective bit ( enob ) performance discussed in section 3 are even more dramatic in undersampling applications because of the higher input signal frequencies

    在第三章討論的采樣時鐘抖動對信噪比和有效位性能的影響在欠采樣應用中因為更高的輸入信號頻率顯得更有戲劇性。
  20. By the eye diagram pattern, we have researched the ideal channel ' s respond - nyquist pulse, and have got its eye diagram model. based on this, a type of base - band codes called ijf codes have been derived

    並由此導出一種沒有碼間干擾和定時抖動的基帶信號碼型，稱為ijf （ intersymbol - interferenceandjirterfree ）信碼。
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