過采樣 的英文怎麼說

中文拼音 [guòcǎiyàng]
過采樣 英文
oversampling
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 采 : 采名詞（采地） feudal estate
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  1. Oversampled sigma - delta adc based on sigma - delta ( ? )

    基於?調制技術的過采樣
  2. Thirdly, the fir decimating filter under over - sampling is designed and realized

    三、過采樣條件下的fir抽取濾波器設計與實現。
  3. A study on the establishment of phase angle primary standard by sampling measurement

    通過采樣測量技術建立相角基準的探討
  4. The architecture and design methods of - modulators are studied. based on it, the bits of quantizer, oversampling - ratio and the orders of modulator have been designed

    對調制器的結構和設計技術進行了研究，根據系統要求設計了量化器位數，調制器過采樣比和階數。
  5. By using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。
  6. Abstract : by using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    文摘:通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。
  7. The mathematic models of sampling and reconstruction are analysed respectively, and an important conclusion is got, that oversampling can decrease high frequence distortion of d / a output signal and the difficulty of designing lowpass filter. as a result the signal quality is improved

    分析了采樣和重構的數學模型，得出了一個重要結論:過采樣可以減少d / a輸出信號的高頻端衰減失真，可以降低低通濾波器的設計難度，從而提高波形質量。
  8. Sigma - delta modulator, combined with oversampling, effectively attenuate the in - band quantization noise in the output signal and enhance the signal - to - noise ratio ( snr ) through the shaping of the quantization error

    調制器與過采樣相結合，對量化誤差噪聲進行整形，有效衰減輸出信號的帶內量化噪聲，提高了輸出帶內信噪比（ snr ） 。
  9. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門相位測量中，採用光柵位移傳感器和光電軸角編碼器，分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣，輸入計算機，對三路信號加以比較找出氣門的相位關系，從而為設計開發人員、品質控制人員提供可靠的測量參數。
  10. Hence analysis and design of nonlinear sampled - data systems has been, in recent years, a subject of growing interest in the international community of control research. when a continuous - time plant is controlled using a digitally implemented controller, it is often faced that a continuous - time plant is transformed into its equivalent discrete - time model. a digital controller is usually designed on the base of approximate discrete - time models of the continuous - time nonlinear systems because it is difficult to obtain the closed form of the exact discrete - time model for nonlinear control systems

    利用計算機等一類離散控制裝置來控制連續時間的受控對象時，都會遇到把連續時間系統化為等價的離散時間系統的問題，通過采樣器和保持器來實現離散時間的采樣控制，對于非線性連續受控系統，由於連續系統的時間離散化后一般得不到其等價的精確離散化模型表示的有限形式，實際上由其近似離散化模型代替來設計控制器，而近似會引起信號失真，那麼基於近似離散化模型上設計的采樣控制器，它是否同樣對原連續受控系統有效
  11. Blind identification method for nonminimum phase system based on over sampling

    一種基於過采樣技術的非最小相位系統盲辨識方法
  12. In contrast, oversampling converters can be implemented using simple and high - tolerance analog components

    然而，過采樣轉換器的模擬部分可以使用簡單和對誤差不敏感的器件實現。
  13. It was proposed that oversampling is necessary by analyzing the influence of different sample frequency on the decomposition of sine wave

    對單頻正弦信號的分析結果表明，應用局域波分解對信號進行分析時，要對信號進行過采樣。
  14. Based on analyzing the error source, a method is proposed in this paper which uses oversampling and average filter to improve the system ’ s stability and accuracy

    通過分析誤差來源，提出了採用過采樣及平均值濾波的方法提高測量精度及穩定性。
  15. By over - sampling the single input single output ( siso ) system, the system is transformed into a single input multiple output ( simo ) one with common poles

    通過過采樣控制系統的輸出信號，將原單輸入單輸出系統轉換成為一個新的與原系統具有相同輸出極點的單輸入多輸出系統。
  16. Moreover, sampling at high frequency eliminates the need for abrupt cutoffs in the analog anti - aliasing filters. a technique of noise shaping is used in - converters in addition to oversampling to achieve a high - resolution

    由於在- a d轉換器中使用噪聲整形技術和過采樣技術，可以用一個簡單的模擬電路加上復雜的數字電路使整個a d達到一個很高的轉換精度。
  17. Firstly, the theory basis of if digital receiver is introduced, which includes over - sampling digital mixing receiving scheme and mathematic model with which the scheme is proved correctly. secondly, the numerically controlled oscillator ( nco ) is designed and realized

    首先介紹了中頻數字接收機採用的過采樣數字混頻數字接收方案，然後給出數學模型，從理論上論證了該方案的可行性;二、數控振蕩器設計與實現。
  18. The main works and innovations of this thesis are as follows : ( 1 ) based on the oversampling of ofdm frequency response, this paper proposes a channel estimator which combines the comb - pilot - tones partitioning and the fourier transform with the same pilot symbol samples

    具體而言，主要有以下六個方面的工作和創新點： （ 1 ）利用在ofdm系統中通道的頻域響應是過采樣的特性，提出了在頻域內用均勻梳狀分佈的導頻符號和與導頻符號數相同點的傅里葉變換相結合的通道估計方法。
  19. The proposed modulator uses 0. 35um standard cmos process, the nmos and pmos threshold voltage is 0. 54 volt and - 0. 48 volt, respectively, and the power supply is 1. 5 volt. the nyquist converter rate is 50 khz, oversampling ratio is 80. the proposed modulator can obtain 98db dynamic range, 16 bits converter resolution, and fits for high - fidelity, digital - audio application

    本設計採用0 . 35微米標準cmos工藝，其中nmos和pmos晶體管的閾值電壓分別為0 . 54伏和- 0 . 48伏，電源電壓為1 . 5伏，奈奎斯特轉換率為50khz ，過采樣率為80 ，該調制器可實現動態范圍98db ， 16位的轉換精度，適合高保真數字音頻應用。
  20. We stretch a consumptive optic fiber into the molten metal and take the light signal from it, then transform the optic signal into electric signal and amplify the signal. send the signal into scm, use the scm to convert the signal into data and display the true temperature of the molten metal

    具體的步驟是先將消耗型光纖插入熔融金屬提取光信號，在將光信號轉換為電信號並作放大，放大后的信號經過采樣濾波等處理后經單片機進行顯示，得到鋼水內部的真實溫度。
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