斜率信號 的英文怎麼說

中文拼音 [xiéxìnháo]
斜率信號 英文
slope signal
  • : 形容詞(跟平面或直線既不平行也不垂直的) oblique; slanting; skew; bevel; diagonal; askew; inclined; tilted
  • : 率名詞(比值) rate; ratio; proportion
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  1. Moreover in speech enhancement, especially in reducing the pulse noise, morphological algorithm has its unique advantage. particularly morphological filter may maintain the preferable accurate of the speech signal in speech waveform, and which produces little impairment to the formant of speech. so the spectrum structure of the speech is retained well, and the quality of the speech will not be reduced

    特別是,在時域波形分析中,形態學濾波增強較小波去噪更好地保持語音的細節;在頻域分析中,形態學濾波對語音的基音頻、頻譜、共振峰等語音特徵的影響很小,因而能夠較好的保留語音的頻譜結構,使語音品質不致降低。
  2. The special relationship among signal bandwidth, center frequency and imaging squint angle in the range - doppler imaging algorithm and other methods is also presented in the chapter 3

    本章通過分析提出了距離多普勒等成像方法中帶寬、工作頻和成像角之間存在的特定關系。
  3. This dissertation mainly researches the displaced phase center antenna ( dpca ) technique in the new system, and the contributions are calculated as following : 1. the doppler history is analyzed for the spaceborne bistatic sar, doppler center frequency and doppler fm rate computational methods are studied. summing up is done for the methods of moving target detection and imaging

    本文完成的主要工作有: 1 .分析慢速運動目標特徵以及運動目標對sar成像的影響(多普勒中心頻,多普勒以及距離徙動誤差) ,總結了目前sar運動目標檢測與成像的主要方法。
  4. The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system

    同時,電路設計採用同步整流技術、低功耗電流采樣技術降低功耗,提高轉換效;採用靈活的外部環路補償技術、誤差放大器輸出嵌位技術以實現良好大特性;採用分段坡補償技術,消除不穩定因素,並最大程度地減小過補償帶來的問題;採用外接輸出采樣電阻的方式,實現輸出電壓的可編程。
  5. In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched

    首先,從er ~ ( 3 + ) - yb ~ ( 3 + )能級結構出發,結合激光穩態速方程與傳輸方程,對鉺鐿波導激光器的三個主要性能參數:閾值功、輸出功作了理論計算分析,並研究了鉺、鐿離子濃度、光波導激活長度、光與泵浦光光斑半徑比例、輸出耦合鏡反射對這三個關鍵性能參數的影響。
  6. Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable

    本文在對國內外拉索振動控制研究與應用現狀進行綜合評述、分析的基礎上,針對上述問題進行了深入研究,具體的研究內容和取得的成果包括: 1 、建立了拉索-阻尼器系統運動方程,對拉索與橋面的耦合振動作了分析和研究,數值結果顯示當橋面激振頻等於某階拉索模態頻的兩倍時,很小的初始擾動將引起拉索的大幅振動,並呈現拍振的特徵,與實測的拍振一致。
  7. Based on the theory of mfl and a study on the signal characteristics ofac - mfl and ect : on one hand, it expouded the flaw identification model of “ slope ratio ” todetect the defects in panel, rob or pipeline ; on the other hand, the flaw - depth measurementmethod based on the characteristical frequency were used in ac - mfl. the application ofac - mfl was realized, and it showed the accordance of defect detection for these twotechniques

    從其檢測原理出發,在與上述渦流檢測特點進行比較的基礎上,一方面,利用「比值」識別模型實現了對板材、管材、棒材等表面缺陷的檢測;另一方面,利用交流息實現了基於拐點頻的深度測量方法在該技術中的應用。
  8. In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower

    在時域,根據數字示波器隨機取樣原理,用兩種方法(雙積分時間放大測量方法和時間? ?電壓轉換測量方法)測量數字示波器系統觸發和采樣寫時鐘間時間間隔,用低速a / d轉換器及控制器進行模?數轉換和控制,以此進行隨機取樣內插,從而實現了對高頻重復的測量。
  9. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗,得到了一批具有一定價值的結論:從處理的角度出發,對于脈沖式干擾,能夠運用時域滑動窗口積累的方法去掉,並且通過預測插值得到較好的恢復;對于高斯白噪聲干擾,在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾;對于射頻噪聲,通過平均距離頻頻法和頻域陷波的方法可以去掉;從改變合成孔徑雷達系統角度出發,類似雙基地雷達能夠避免各種干擾,對發射進行調幅,調相以及改變調頻都是較好的抗干擾方法。
  10. Using this system, we have studied matrine - inhibittory effect and trifluoperation - neuroprotection effect in hippocampal slices, also discussed the mechanism of long - term potentiation using anesthetic rats. the experiment results showed that matrine can inhibit the hyperactivity induced by penicillin sodium in dosage by changing the relative parameters of field potential ; trifluoperation can alter ps change with the time, enhance the degree and the ratio of ps recovery, then minis the hypoxic injury ; high frequency stimulate can increase ps amplitude and epsp slope for long time, buildup the in / out function of nerve cells, and enhance synaptic plasticity

    結果表明,苦參堿能夠劑量依賴性地抑制青霉素誘導的神經元順向傳導激活過程,使細胞外記錄到的場電位各個參數發生相應改變;三氟拉嗪可以改變ps的時相變化,提高ps的恢復程度和恢復,減小了神經元因缺氧引起的不可逆損傷;高頻刺激( highfrequencystimulate , hfs )可以長時間的增強ps的幅度和epsp的,進而增強神經元的輸入輸出功能,增加了突觸的可塑性。
  11. The relationship shows that the maximum bandwidth is limited for these algorithms and becomes narrow when the center frequency is lower and the imaging squint angle is larger

    這種關系表明雷達可用的帶寬是有一定限制的,隨著工作頻的下降和成像角的增大,可用的帶寬會變得越來越小。
  12. We made an improvement in overcoming the defects in speech signal adaptive delta modulation ( abbr. adm ), such as slope overloading and grain noise. in this method, numerical sliding average filtering was used for filtering decoding speech signal. experiments and analyses indicate that the method makes waveforms in good agreement between the decoding of adm and the original pulse coding modulation ( abbr. pcm ) signal, and considerably improves, the playback speech quality in naturalness, legibility and under standability

    針對語音自適應增量調制( adm )方式中過載和顆粒噪聲缺點,提出了一種改進方法,它利用滑動平均方法對解碼后的進行數字濾波.試驗和分析表明,該方法使解碼后的波形與原脈沖編碼調制( pcm )波形具有很好的一致性,使再生語音質量在自然度、清晰度和可懂度方面比改進前均有較大提高
  13. Moreover, the components of the radial acceleration are theoretically derived, and the processing methods such as the signal sampling, the dynamic marking and storing, the noise removing, the slope comparison and the onset detection of braking operation are described

    文中對加速度傳感器的組成進行了理論推導,並闡述了傳感器的采樣、動態標注和存儲、平滑去噪、比較以及制動起始時刻判定等的處理方法。
  14. In the thesis, a functional software was developed for auto - analyzing the field evoked potential, which can automatically measure the time domain parameters such as the amplitude area latency of population spikes, the slope of excitatory postsynaptic potential and so on, it also can make the frequency - domain analysis

    它可以自動、快速地測出海馬誘發場電位的時域參數,如:群體峰電位( populationspikes , ps )的幅度、面積、潛伏期以及興奮性突觸后電位( excitatorypostsynapticpotentials , epsp )的等,同時也可以對進行頻域分析和處理。
  15. The above waveforms discussed are to synthesize the wb or uwb with narrow band pulses. assuming the transmitting uwb linear frequency modulation ( chirp ), dechirp processing is introduced, and the method involved to obtain high resolution by reducing the if bandwidth is presented. furthermore, dechirp processing used to sar imaging is discussed, and the processing steps are described

    < wp = 4 >以上研究的兩種形式都是通過窄帶子脈沖串相參合成的方法來獲得超寬帶回波,本文還探討了去( dechirp或stretch )方法,分析了去降低接收機中頻帶寬、 fft獲得目標一維距離像的原理,並探討了線性調頻去合成孔徑雷達成像,給出了具體實現步驟。
  16. It is revealed that the control commands from the filter are composed of a sequence of ramp signals, whose time - ratio of variation never exceeds the permissible value to restrain the excitation to un - modeled harmonic modes

    研究結果表明,該濾波器形成的控制是一系列的,對時間的變化不超過允許的最大沖擊值,從而降低了未建模動態激勵。
  17. Then on one hand, author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing. author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments. on the other hand, author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model

    作者首先提出了合成孔徑雷達抗干擾的定義、分類以及評價抗干擾方法好壞的主客觀標準;然後,一方面從處理的角度出發對脈沖式干擾、高斯白噪聲干擾以及射頻噪聲干擾進行了抗干擾研究,其中運用了時域滑動窗口積累,小波分析,時頻分析以及線性預測等處理知識,做了大量的模擬實驗;另一方面,本文基於改變合成孔徑雷達系統模式提出了利用類似雙基地雷達來抗干擾,以及對發射進行調幅、調相以及改變調頻來抗干擾,同樣做了相應的模擬實驗。
  18. One new method that the uwb signal can be received ambiguously has been presented in this dissertation. furthermore, the sampling lfm signal becomes two sine signals with different frequencies based on two different delay processes. based on fft and remainder algorithm, the modulation rate and initial frequency of sub - sampling lfm signal are estimated precisely and unambiguously in negative snr

    該方法通過在數字域對進行兩路不同的延時和余數定理實現欠采樣條件下超寬帶線性調頻的調制和初始頻的無模糊估計,在不降低參數估計精度的前提下,解決了欠采樣方法引起硬體復雜度增加的問題。
  19. The bp algorithm was adapted any track model but it needs high precise ins data and has great computation load

    該方法基於線性調頻,可同時估計多普勒質心和多普勒
  20. For the cell working range ascertainment, the algorithm determines the maximum output load, the minimum output load, the maximum input signal slope and the minimum input signal slope ; for the cell working surface representation, the algorithm inserts the characterization points dynamically. the table optimization algorithm for redundantly characterized points is proposed. its result table can represent the whole parameter surface accurately and concisely

    通過計算單元在各測試狀態下的最大、最小輸出負載,輸入的最大、最小,演算法能精確計算單元的工作曲面范圍;通過參數測試點的動態插入,演算法能獲得最佳的參數測試點,最大程度地表徵整個參數曲面空間。
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