time-domain and frequency-domain 中文意思是什麼

time-domain and frequency-domain 解釋
時域與頻域
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • domain : n 1 領土,版圖;領地。2 管區,勢力圈;(特定動物等的)生長圈;(學問、活動等的)領域,范圍;【物...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括:反饋系統的特性和優勢,時域和頻域性能度量,穩定和穩定度,根軌跡法,奈魁斯特準則,頻域設計,補償技術,種類繁多的物理系統應用,運算放大器的內部和外部補償,能量轉換系統的建模和補償,以及鎖相環。
  2. The frequency response of sampled - data control systems is studied in detail. the presently accepted definition of the frequency response and the relatedcomputation with time - domain and frequency - domain lifting techniques are analyzedand discussed, and it is pointed out that the frequency response thus obtained isindeed the frequency response of the lifted system. because the frequency responseof the system can not be preserved by lifting, the frequency response of the liftedsystem has nothing to do with the real frequency response of the sampled - datacontrol system

    對目前公認的頻率響應的定義和計算方法? ?時間域提升法和頻域提升法進行了分析,指出這些演算法所給出的頻率響應,實質上是提升系統的頻率響應,由於提升並不能保證頻率特性不變,所以提升系統的頻率響應也就不是采樣控制系統的真正的頻率響應。
  3. Then one remote supervision system based on virtual instrument technology is studied and realized. the system can measure parameters such as signal level, carrier frequency and snr of remote channel, and can estimate the state of remote channel based on this parameters, and can display the time - domain and frequency - domain wave real time of remote channel, too

    針對目前遠動監控方案的不足,研究並實現了基於虛擬儀器技術的電力遠動通道監控系統,該系統可以對遠動收發信電平、載波頻率和信噪比三個通道參數進行測量,具有實時時域波形和功率譜波形顯示功能,並能根據通道參數對通道狀態進行綜合判斷。
  4. Transfer function of the closed - loop is presented after analyzing every part of the closed - loop of current control. the time - domain and frequency - domain characteristic of the closed - loop is analyzed and the stability error is discussed, and the closed - loop ’ s ability to restrain the noise is simulated by the tool of simulink, so as to optimize the parameters

    分析了穩流環路的各個環節,得出了穩流環路的控制方程,從控制角度分析了該環路的時域、頻域特性和穩態誤差,並對環路抑制電路噪聲性能進行了simulink模擬,從而得出最佳的參數。
  5. These are the main contents : the characters in time domain and frequency domain of the background noise inside boiler are analyzed theoretically and studied by experiments, and the upper limit frequency of it is confirmed, these are very important to the diagnosis of boiler tube leak and avoid wrong alarms

    對爐內背景噪聲的時、頻域特性進行了理論分析與實驗研究,確定了爐內背景噪聲的上限頻率,這對爐管泄漏的診斷和防止誤報警具有重要意義。
  6. Waveform analyzer is one of the most important signal measuring instruments, which can accurately analyze the characteristics of the signal in time - domain and frequency - domain. it can also analyze the relativity characteristics of the signal

    波形分析儀是最重要的信號測量儀器之一,可以對信號時域特性、頻域特性以及相關特性作高精度分析。
  7. This contains lateral inhibition theory ' s mathematics model, stability criterion, time domain and frequency domain feature, the function of enhancing the image ' s contrast and the object ' s frame and other functions applying in image segmentation

    其中包括側抑制理論的數學模型、穩定性判據、時域特徵、頻域特徵、側抑制網路突出圖像邊框、增強反差的功能以及在圖像分割中的應用。
  8. This paper analyzes and compares the computation and memory requirement between the two method of estimating doppler center in time domain and frequency domain

    本文分析比較了時域與頻域方法估計多普勒中心對運算量與存儲量的要求,得出時域法實現多普勒中心更適合實時系統。
  9. A voltage signal tria ( tt / pw ) added by normal noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以加上準常態雜訊之三角波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  10. A voltage signal rect ( tt / pw ) multiplied by normal noise is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以乘上準常態雜訊之方波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  11. A modulated signal of rect ( tt / pw ) added by a zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以雙邊遞減波電壓訊號加上含有準常態雜訊為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  12. Then the experimental data was analyzed in time domain and frequency domain. thirdly the hilbert translation method was used to detect the nonlinearity of the system. at last the model of this kind of system was identified, the result show that the theory model is the same format as the experiment model

    然後利用振動臺做掃頻試驗,對試驗數據在時域與頻域進行分析處理,利用hilbert變換檢測系統的非線性,分析系統的非線性特點,在此基礎上進行系統的模型識別,並將實驗建立的模型與理論模型進行比較。
  13. A voltage signal uexp ( tt / pw ) added by zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以加上均勻雜訊之單邊遞減波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  14. A voltage signal tria ( tt / pw ) added by zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以加上均勻雜訊之三角波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  15. A modulated signal of tria ( tt / pw ) added by a normal noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以三角波電壓訊號加上準常態雜訊乘以無雜訊載波之調變訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  16. A modulated signal of eexp ( 2 * tt / pw ) added by a zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以雙邊遞減波電壓訊號加上均勻雜訊乘以無雜訊載波之調變訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  17. Wavelet has good localizing quality at time domain and frequency domain simultaneously and the characteristic of multi - resolution ratio analysis, so it can fulfill all kinds of wave - filtering needs such as low - pass, high - pass, sink wave, random noise denoising. compare with readitional wave - filtering methods, wavelet has incomparable advantage. wavelet has become an effective means of signal analysis and is intituled as math microscope of signal analysis

    小波分析由於在時域頻域同時具有良好的局部化性質和多解析度分析的特點,因此不僅能滿足各種去噪要求如低通、高通、陷波、隨機噪音的去除等,而且與傳統的去噪方法相比較,有著無可比擬的優點,成為信號分析的一個強有力的工具,被譽為分析信號的數學顯微鏡。
  18. Also discussed the methods on how to realize the cwt both in time - domain and frequency - domain and how to design the gm - c bandpass filter used in realization of cwt. in order to optimize the performance of gm - c filter, linearization techniques are investigated and proposed. due to process variation and parasitics, an automatic tuning is designed for center frequency / 0 and quality factor q also, in this thesis, 16 - channel analogue cmos cwt circuit has been realized

    論文圍繞連續小波變換的模擬電路實現這一熱點問題,討論了連續小波變換的時域和頻域實現方法;具體分析了并行結構與串列結構的優缺點;研究了頻域法中的跨導-電容帶通濾波器的設計;給出了改善跨導輸入級傳輸特性的線性程度並擴大線性范圍的具體方法;設計了片內自校正(可調諧)環節使濾波器參數自動調整到設計標準值;最後給出了16通道濾波器組實現小波變換的方法。
  19. The signals are transformed into digital signals and sent to a computer. digital signal processing includes amplifying the sound signals, low - pass filtering, wavelet transform for de - noise and analyzing power spectra using matlab software. for different species of pests the acoustic characteristics are different in time domain and frequency domain

    害蟲聲信號採集系統由日本產teac ;四通道錄音機(數字記錄儀)記錄害蟲爬行聲信號,數字示波器將聲信號轉變為數字信號送計算機存儲,由matlab軟體對數據文件進行信號處理,包括信號的再現、放大、濾波、小波去噪、功率譜分析等工作。
  20. This paper give some important definition of parameter of high - speed analog - digital circuit dynamic performance and do some research of a / d testing theory via the time - domain and frequency - domain on the basis of performance testing method of the a / d device

    本文在總結國內外已有高速模數轉換器件性能測試方法的基礎上給出衡量高速模數轉換電路的動態性能參數的定義,對時域、頻域兩類測試方法進行了理論上的討論。
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