摘機信號 的英文怎麼說
中文拼音 [zhāijīxìnháo]
摘機信號
英文
off hook signal-
The method of detection on transient signal by the slice of cyclo - bispectrum in stationary random noise is proposed in this paper, simulation results are presented also
摘要提出一種在平穩隨機噪聲中檢測暫態信號的循環雙譜切片方法,同時給出模擬結果。Both mechanical damage and insect herbivory make plants emit damage - induced volatiles which not only have the functions of indirect and direct defenses but also can server as interplant. alarming signal
摘要植物在遭受到機械損傷或昆蟲取食后釋放出的傷誘導揮發物,除了具有間接防禦和直接防禦功能外,還具有作為報警信號在植株間傳遞傷害信息的作用。Abstract : abb has developed a new insum system which combines measurement, control, protection and signal treatment. this is a new information technique to applicate in low voltage motor and power control centre. it has the diagnosis, pre - warning and control functions for the process control with increasing reliability
文摘: abb公司開發的新型insum測量、控制、保護和信號處理系統是應用於低壓電機控制中心的新信息技術,它具有診斷、預報警及控制的功能,為此提高了過程式控制制的可靠性。Aimed at the acoustic signals from heavy sizing - press and rolling bearing rig, a preprocessing of autocorrelation for independent component analysis ( ica ) is proposed
摘要以大型軋鋼機和滾動軸承試驗臺為研究對象,應用獨立分量方法來分離機器的聲音信號,並提取其狀態特徵。Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis
摘要運用經驗模式分解演算法對數值模擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解,從而得到若干個基本模式分量,對每個模式分量進行了頻譜分析。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。Abstract : with a view of time - varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex pump widely used in heavy machinery as an exa mple, on the waveform feature extraction which reflects the various conditions o f reciprocating machinery with nonlinear wavelet denoising analysis method
文摘:針對往復機械振動信號的非平穩時變特點,本文在簡述小波分析及非線性小波消噪理論的基礎上,以重型機械使用的三缸泵為例,研究了用非線性小波消噪方法提取往復機械狀態下的波形特性。Abstract : this paper introduces the principles of doppler radar signal processing method in the modulation. it provides the processing method for projectile tracer time, the burst time, rocket engine working time, projectile spin and flight attitude from signal of doppler radar
文摘:介紹了測速雷達調制域彈道信息處理方法的工作原理,詳細論述了從測速雷達信號中處理彈丸曳光時間、底排燃燒工作時間、火箭發動機工作時間、彈丸旋轉速度、飛行姿態角和擺動周期等彈道信息的方法。They fulfill communication with the gsm modem, read ring signal, and check on - off hook timely respectively
分別執行與無線通信模塊的通信,讀取來電信號,定時查詢話機的摘掛機狀態功能。In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source
摘要基於李家峽水電站雙排機組振動的現場試驗研究,並且針對傳統頻譜分析方法傅立葉變換( fft )對于非平穩信號已力不從心這一缺陷,利用小波分析方法在時域和頻域上同時具有良好的局部化性質,通過對開停機這一典型非平穩過程信號進行小波及小波包分析,將其分解到不同頻帶內,獲取微弱信息和提取優勢頻率,並對其作振源分析,得出開停機初始時刻因水流不穩均出現強烈的振動現象,且低頻段信號能量最大,開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。Importance and means of signal measurement and processing in control of three main electric and mechanical equipment for walking beam heating furnace are discussed, the discussion includes time filtering processing of digital signal, measuring signal processing and measurement fault judging of translation stroke in charging machine and discharging machine, translation stroke measurement of walking beam and measuring method of slab output quantity
摘要論述了步進梁加熱爐的三個主要電氣機械設備控制中信號檢測和處理的重要性及方法,包括四個方面:數字信號的時間濾波處理,裝鋼機、出鋼機的平移行程檢測信號處理和測量故障判斷,步進梁的平移行程檢測,板坯流出量的檢測方法。Abstract : the hidden perils and troubles of safety existing in the interlocking circuit between the tipper in the raw material area and the railway signal system in wisco have been analyzed one by one and causes to their occurrence found out and the technological theory and counter measures to solve those problems comprehensively expounded and better working performance and reliability on the improved interlocking circuit achieved
文摘:針對武鋼原料區原翻車機與鐵路信號聯鎖電路存在的安全隱患和缺陷,一個一個地進行剖析,找出它們產生的根源,全面系統地論述了解決這些問題的專業技術理論及其具體的改進措施,使改進后的翻車機與鐵路信號聯鎖電路性能良好、工作可靠。The fault tree analysis is applied to analyze three choose two railway signal microcomputer interlocking system, and the model of the three choose two is established
摘要利用故障樹分析法對三取二鐵路信號計算機聯鎖系統進行分析,建立三取二模型的故障樹。Abstract : in recent years certain progess in brassica signaling was reviewed about some self - compatibility - related genes such as srk, slg, scr, arc1, thl1 and thl2. meanwhile, molecular mechanism in brassica self - compatibility signaling was reviewed, including its action models
摘要綜述了近年來在蕓薹屬植物自交不親和信號轉導途徑中相關基因的研究進展,同時對其自交不親和信號轉導途徑中的分子機製作一闡述。Abstract : aimed to realize the problem of quenched rail qualification forcast through quantitative analysis of quenched rail surface hardness by eddy current, and combined the eddy current theory with the computer image processing and signal analysis, the hardness testing model is established in this paper
文摘:針對渦流無損檢測淬火鋼軌踏面硬度的定量分析來實現淬火鋼軌質量保證預報問題,將電渦流理論與現代計算機圖象處理和信號分析相結合,完成硬度測試模型建立。Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result
文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨機過程( sirp )的建模方法,針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波,運用現代譜估計演算法對其進行建模和模擬,並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該方法進行了驗證By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system
摘要通過注入特定的高頻電壓信號,利用電機的各向異性以確定轉子的凸極位置,在同步電機無傳感器矢量控制中,對包括零速度在內的所有速度下都能獲得精確的轉子位置信息。( 4 ) to record the running situation. and this software was developed by c + + under microsoft vc + + 6. 0 and is composed of 5 modules : the initial module to finish the video card and i / o card initializations ; the start - stop module to create and destroy the thread used to supervise light room and process image ; the image - capturing module to capture the image from ccd to ram ; the image processing module to get classified information through analysis ; the signal i / o module to send the signals to the outside and also to send outer information to the inside ; the system log module to record the running situation of the system and the quantity of detected eggs
系統由5個模塊組成:初始化模塊完成圖像採集卡和數字量i o卡的初始化;啟動停止模塊建立和消亡用於監控光室狀況和進行圖像處理與分析的線程;圖像採集模塊將光室中所成的像通過ccd經由圖像採集卡採集到主機內存中;圖像處理模塊對主機內存2001碩士論文摘要中的圖像進行分析,得出所需要的分級信息;信號1 / 0模塊將得出的分級信號送出至計算機外部,同時也將計算機外部的控制反饋信息傳至計算機內部;系統日誌模塊記錄系統的啟動運行情況和當前系統檢測鴨蛋的數量。Examining each circuit at each second in a cycle way is satisfactory. this, however, may rouse another problem - time difference, for a proper solution, path - management is adopted
我們的解決方案是對各條電話線路採用循環方式處理,即每秒依次對每條線路檢測,如果有摘機信號,則進行相應處理。Based on the analysis of the defect, a new control method is proposed to address the abrupt volume change on tv signal switch
摘要針對電視接收機信號切換時音量常常突兀變化的設計缺陷,在對其進行綜合分析的基礎上,提出一種新的控制方式。分享友人