signal extraction 中文意思是什麼

signal extraction 解釋
信號抽取
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • extraction : n. 1. 抽出，拔出。2. 【化學】提取（法）；萃取（法）；回收物，提出物；精煉。3. 精選，摘要。4. 血統，家世，出身。5. 【數學】開方，求根。
  1. Parameters extraction for hemt small signal equivalent circuit

    小信號等效電路參數提取
  2. The process of feature extraction is to transform the eradiate noise signal to different feature space and extract the feature vectors that reflect the category of the input sample. the extracted features are the input modes to the classifier

    特徵提取的過程是把輸入的船舶輻射噪聲信號變換到不同的特徵空間，提取出反映樣本的類別特性的特徵向量，並把其作為分類器的輸入模式。
  3. The characteristic of power quality signal ' s deal by wavelet multi - resolution decomposition and time - domain analysis is studied then brings forward combine the tow methods and uses it to filter bed yawp, decomposition and feature extraction. 8 kinds of power quality are classified and characterization of sag is specially classified

    然後研究了小波多解析度分解和時域分析電能質量信號處理的特點，提出了應用兩種方法相結合的方法，對電能質量信號進行去噪、分解，通過大量的計算機模擬工作，對擾動信號進行了特徵提取。
  4. The tv goniometer is the ground control equipment of a model of anti - tank missile. it uses two ccd cameras and the signal extraction method of background counteract, which can make the guiding process of anti - tank missile wo n ' t interfered by sunlight, firelight of battle field, light, flame tracer etc. it can greatly improve the anti - interfering ability of the anti - tank missile system

    該電視測角儀是某型反坦克導彈武器系統的地面控制設備，它採用兩個ccd攝像機和背景抵消的信號提取方法，可使反坦克導彈的制導過程不受太陽的反光、戰場的火光、燈光、曳光彈等干擾。
  5. A logarithm - kurtosis based complex algorithm for blind signal extraction and blind beamforming

    基於峰度自然對數最大化的信號盲分揀演算法和盲波束形成
  6. 6 an algorithm of kurtosis signal - to - noise ratio ( ksnr ) based the mot - radiated noise polyspectrum feature extraction is presented

    6提出了基於峰度信噪比的水下h標輻射噪聲的多譜特徵提取演算法。
  7. The system fulfills following functions : signal de - noising, signals analysis using wavelet and extraction of character parameters ; display analysis result and give out tocsin

    該系統能夠完成如下功能:信號去噪;對數據進行小波分析，提取特徵參數;顯示結果，給出故障警報。
  8. An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time

    第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。
  9. In order to study the effect of weak noise on the sound signal extraction of mouse ( mus musculus km ) inferior collicular ( ic ) neurons from environment, we examined the change in frequency tuning of neuron induced by a weak noise relative to 5 db below minimum threshold ( remt - 5 db ) of tone. 12 healthy adult mice ( 20 - 25 g, b. wt. )

    本實驗旨在探討弱噪聲對小鼠（ musmusculuskm ）中腦下丘（ inferiorcolliculusic ）神經元聲信號提取的影響及其神經機制，我們選用相當于純音閾下5db的白噪聲（ whitenoise ） ，比較加入噪聲前後神經元頻率調諧曲線的變化和注射-氨基丁酸（ - aminobutyricacid ， gaba ）能受體拮抗劑荷包牡丹堿（ bicuculline ， bic ）后對該變化的影響。
  10. 1550nm is chosen as the work wavelength, cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system. the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system, beam divergence angle, pointing error, and error signal extraction. compared with existed optical wireless communication system, the design scheme proves applicable

    通過對通信系統工作波長選擇、光學天線選擇等闡述，選擇了1550nm作為系統工作波長、卡塞格倫（ cassegrain ）收發合一天線作為系統光學天線；通過對apt子系統功率測算、束散角和瞄準誤差、誤差提取信號等的討論，給出了apt子系統結構和理論設計指標，並將其與現有的光無線通信系統進行比較，說明該設計方案是可行的。
  11. 5 an algorithm of skew signal - to - noise ratio ( sksnr ) based quadratic phase dynamic coupling signal extraction is created

    5提出了基於歪度信噪比的二次相位動態耦合信號的多譜特徵提取演算法。
  12. Exchange rate risk premiums in hong kong dollar : a signal - extraction approach

    港元匯率風險溢價:信息提取法
  13. Therefore, to use the weak signal extraction technique in overburden approportely, we should decide the extraction procedures after thoroughly test

    因此，在覆蓋區應用弱信息提取方法時，應結合景觀和樣品特徵，採用實驗方法確定合適的提取劑濃度。
  14. The practice of doppler frequency - shift signal extraction in ultrasonic blood flow detector

    多普勒頻移信號提取技術在超聲血流檢測中應用
  15. The application of stochastic resonance for weak signal extraction from strong noise

    隨機共振原理在微弱信號檢測中的應用
  16. The application of linear radon transform in coherent noise elimination and weak signal extraction

    變換在弱信號提取及強干擾噪聲抑制的應用
  17. Aiming at the present problems, this thesis studies the pd signal extraction of pulse current method （ pcm ） in two directions : signal propagation and interference suppression

    本文針對現存的問題，從局放信號的傳播和干擾的抑制兩方面研究了脈沖電流法用於變壓器局部放電在線監測。
  18. Radial basis function neural network ( rbfnn ) is chosen to build predictive model. rbfnn is a special type of neural network linear - in - weight in nature and having nonlinear processing properties. finally, an adaptive filter is applicable to do the followed weak signal extraction work

    接著選用徑向基函數神經網路（ radialbasisneuralnetwork ， rbfnn ）建立混沌時間序列預測模型，徑向基函數神經網路是一種局部逼近的人工神經網路，訓練簡潔而且學習收斂速度快，能夠逼近任意非線性函數，最後將預測誤差送入自適應信號分離器進行處理，檢測出微弱信號。
  19. This thesis referred to the applications of neural network and wavelet transform theory in power system, used the function of mode identification and mode classification of ann and the function of signal extraction of wavelet transform, and established the model of single - phase reclosing based on wavelet neural network. through simulating a line model, the paper approved its feasibility

    本文借鑒神經網路和小波變換理論在電力系統中的應用，運用人工神經網路模式識別與模式分類和小波變換信號提取功能，建立了基於小波神經網路的單相重合閘的模型，並通過對一線路模型的模擬，證實了它的可行性。
  20. The binarization, dilation and thinning of interference pattern are stressed. computing the excursion of interference pattern based on fourier transform is based on the fact that interference pattern has different phase at different position, the signal extraction of interference pattern and phase unwrapping algorithm are mainly discussed. computing the excursion of the interference pattern based on the interference pattern intensity distribution is to position the fringe according to the intensity distribution characteristic

    基於圖像處理計算干涉條紋漂移量，目的是抽取干涉條紋的骨架，通過條紋骨架的定位實現對條紋的定位，重點討論了條紋圖像的二值化、膨脹和細化；基於傅里葉變換計算干涉條紋的漂移量，是基於條紋不同位置處的相位不同這一事實，重點討論了干涉條紋信號的提取和干涉條紋相位去包裹演算法；基於條紋亮度分佈計算條紋漂移量，是根據條紋自身亮度分佈的特點對條紋進行定位。
分享友人
分享到 Line

分享到臉書