pick-up signal 中文意思是什麼

pick-up signal 解釋
拾取信號
  • pick : vt 1 (用鶴嘴鋤等)掘,鑿,挖(洞)。2 (用手指)挖(鼻孔、耳朵等),挑剔(牙齒、骨頭等)。3 摘,...
  • up : adv (superl uppermost )1 向[在]上,向[在]上面;向[在]被認為處于上方的地方或方面〈如河流的源頭,...
  • 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...
  1. It is the first time that the theory of wavelet has been applied in the signal processing of the codog power plant experiment rig and wavelet transform denoising was used, it may keep the aiguille and saltation parts, wipe off the noise and pick up the useful signal, it is benefit to analysis the result in experiment

    把小波分析理論應用於codog實驗臺信號處理中,用小波變換進行信號消噪,可以很好的保存有用信號中的尖峰和突變部分,將信號的噪聲部分去除,從中提取出於有用信息,更有利於實驗結果分析。
  2. The purpose of signal processing is to suppress or get rid of the interferential part, and display or pick - up useful information

    信號處理的目的就是最大限度去除或抑制與所研究對象無關的那部分干撓,突出或提取有用信息。
  3. In the theory introduction part, after simply introduces the basis knowledge of voice signal, a systemic and concise brief of the preceding disposal, endpoint detection, parameter pick - up and matching - method of speech recognition according the basic framework of speech recognition system are given

    在語音識別理論介紹部分,文中在簡單介紹了語音信號的基本知識之後,根據語音識別系統的基本結構,依次對語音識別技術的前端處理、起止點檢測、特徵提取和識別判決方法部分一一進行了系統而簡明的闡述。
  4. This system collect and deal with the input and output electric signal from optical pick - up itself, adjust floating bolt and adjustable resistance, make the specification of the optical pick - up attain the demanded data

    通過對激光頭輸入、輸出的電信號進行採集和處理,調整激光頭上的浮動螺釘和可調電阻,使激光頭的各項性能標達到規定值。
  5. Viewers can pick up the signal with a much smaller antenna

    觀眾可以用較小的天線來接收信號。
  6. It " s function is to receive laser signal and to sent out the electric signal ; the second is the monolithic processor system. this part function is to pick up the electric signal sent by ccd detector and to compute the digital signal to get the data where the laser beamed, then sent the data to pc computer ; the third part is the control interface for people to control whole measurement process

    本文介紹的桁架梁撓度實時檢測的電荷耦合( ccd )測量系統由ccd接收系統,單片機測量系統和pc機測量軟體三部分組成。該系統採用線陣ccd為傳感器,以8031為控制核心,在單片機系統和pc機軟體之間建立了可靠的通信,能在比較惡劣的條件下獲取、顯示、存儲、處理和比較桁架的撓度值。
  7. Unlike satellite radio, which is a subscription - based service, the content on hd radio is free. consumers do need to purchase a special radio receiver to pick up the digital signal

    然後衛星廣播提供的是一種收費的訂閱服務,然後高清晰無線電是免費的。消費者只需要購買一種特殊的接收器來接收數字信號。
  8. The system introduces 991 ultra - low frequency pick up, and takes the vibration signal as the simulation input of practical measurement, which makes the s ystem can measure the ultra - low frequency vibration of long, large, tall and flexible structures and the low frequency vibration of engineering and site

    系統引入991型超低頻拾振器,將其拾取的振動信號作為本系統實際應用測試中模擬輸入,使系統可對長大高柔結構的超低頻振動和一般工程及場地的低頻振動進行測量。
  9. Wavelet analysis is used to translate noise signal of the engine into time - frequency domain. selecting appropriate frequency band to pick up and making its envelope spectrum, then two feature frequency - 0. 5x speed frequency and 2x speed frequency that represent the abrasion condition can be found. in addition, a new diagnosis method of image processing technique is proposed

    利用小波分析將測得的機體噪聲信號變換到時頻域,選擇合適的頻帶加以提取並進行包絡譜分析提取包含特徵頻率的包絡,通過分析提取后的0 . 5倍頻和2倍頻分量,發現兩個特徵頻率可準確反映主軸承的磨損狀況。
  10. Several electrical connections can be obtained to pick up the electrical output signal

    壓力介面是g外螺紋。帶有幾個電介面用於輸出電信號。
  11. This dissertation summarizes the method to select parameters of chirp - subpulse stepped frequency signal, presents a method to resolve profile aliasing and redundance in chirp - subpulse stepped frequency signal by the target pick - up algorithm and selecting parameters

    文中總結了chirp子脈沖頻率步進信號參數選取的方法,提出了採用參數選取和目標抽取相結合的方法來解決chirp子脈沖頻率步進信號中距離像的混疊和冗餘問題。
  12. This thesis is mainly concerned with how to apply to monitoring online and fault diagnosis with the transducer technology, signal receiving and processing technology, artificial neural network and bp arithmetic, fault diagnosis technology, structure dynamics, matlab software, supersap software, dsps system. when the structure is excited, the monitoring system can automatically pick up signals, gain feature parameters. the well - trained bp artificial neural network, can determine whether the structure has fault when the parameter is input into it

    本文主要研究如何運用傳感器技術、信號提取和信號處理技術、人工神經網路及bp演算法、故障診斷和結構動力學知識、 matlab軟體、 supersap軟體、 dsps系統,對結構進行在線監測,當結構受激勵時,監測系統就會自動採集信號,獲得特徵參數,將特徵參數輸出訓練好的bp人工神經網路,就可以診斷結構是否有故障。
  13. The principles of filtering, wavelet - denoise and integral algorithms to pick up the tilting pulse ( filtering - delay - compensation signal ) are discussed. especially, a " high - in & low - out " method is presented to determine the thresholds in the three algorithms ; it is very robust and adaptable. in the end, the performance of the three algorithms is compared to each other based on the process of total data of one test - on - line

    分別設計了濾波法、小波去噪法和積分法來提取傾擺脈沖(濾波延時補償信號) ,論述了這三種演算法提取傾擺脈沖的原理,提出了一種魯棒性好、適應性強的「高進低出」法來確定三種提取傾擺脈沖演算法中的門限值:最後用這三種演算法對一次線路試驗的全部數據進行了處理,並比較了各種演算法的特點。
  14. It is not like expert system, which needs repeat three periods - conceptualization, formalization and improvement. in this paper, research the fault gears " three models by the vibration signal. pick up the character vector by using the wavelet packet and energy method as the ann input neural vector

    本文以齒輪箱為研究對象,在齒輪正常、齒根裂紋、齒面非正常點蝕三種模式下,對振動信號加以分析,運用「小波包?能量」法提取出信號特徵量,作為神經網路的輸入向量,採用包括有輸入層、單隱層和輸出層的bp網路。
  15. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放電為研究對象,重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點;在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后,根據其缺陷,本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點;以電機軸承、氣隙偏心等故障為研究對象,通過對電機振動和轉速頻率的檢測,診斷電機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中,力求使電機故障診斷更接近人工智慧化;最後,本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計,為實現預測維修提供了有效的技術手段。
  16. The principle of voltage controlled tracking filters is introduced and a new design method is presented, which can pick up exterior signals more accurately with high signal - to - noise ratio

    摘要介紹壓控式跟蹤濾波器的原理,並提出一種新的設計方法,較高精度地提取外部信號,信噪比高,同時將該方法運用在動平衡機檢測電路中。
  17. It is a process of image recognition. firstly we receive the image signal and process the image, pick - up the diagnostic parameter in the result. then recognize based on the diagnostic parameter, classify the product to excellent or inferior

    這是一個圖像識別過程,首先得到圖像信號,並進行圖像處理,在處理結果中提取特徵的參數,然後進行識別,得到檢測結果,為產品分優劣,分等級等等。
  18. There are two parts of this work that have been finished : one is to analyses the myoelectric signal and pick up eigenvalue

    所作的工作主要分為兩大部分,一是對肌電信號進行分析,提取特徵值。
  19. Nd examination - adjustment machine is a special equipments to produce game unit. the principle of examination - adjustment machine is examine and adjust optical pick - up of game uint. the optical pick - up is an important part of game uint, it " s function is picking up the primitive signal from disc and it is basic part in processing signal

    Nd檢調機是生產游戲機機芯的專用設備,其原理是對nd機芯上的激光頭進行檢測和調整,激光頭是機芯中的關鍵部件,其作用是從光盤上讀取原始信號,是光盤信號處理的基礎。
  20. A process for speaker - dependent and isolated - word speech recognition system is presented starting from preprocessing i. e. digital sampling, noise filtering, windowing and so on. it is followed by endpoint detection and pick - up parameters of speech signal. methods for speech recognition are discussed as well

    本文循著一個特定人孤立詞語音識別系統的處理過程,從信號前端處理(數字采樣、預加重濾波、加窗分幀)開始,分別介紹了語音信號的端點檢測、特徵參數提取以及孤立詞識別方法,並對每個步驟可用的幾種方法在實驗基礎上進行了分析對比。
分享友人