train of signal 中文意思是什麼

train of signal 解釋
信號串
  • train : vt 1 訓練;培養,養成;鍛煉(身體);【園藝】使向一定方向生長,整形,整枝 (up; over)。2 瞄準,...
  • of : OF =Old French 古法語。
  • 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. In this thesis, founding on the study of the feature of the communication system in maglev train, the design principia of the communication system in maglev train is brought forward. after understanding the feature of the communication system and the induction signal in maglev train, the advantage and disadvantage of several binary modulating and demodulating methods is studied. then, two communication system based on parallel cable and crossed induction coils is put forward

    本文分析了磁浮列車通信系統的特點,提出了設計磁浮列車通信系統需要遵循的原則,針對磁浮列車通信系統和感應信號的特點,對比了多種二進制調制解調方式的特點和優點,提出了基於平行電纜和交叉回線的兩種無線感應通信系統。
  2. It emphasizes on the analyse of using syntony demodulation technology to final the long - distance coming train. at the same time, it gives a preliminary analyse in the signal for different cases, takes a research on the identified technology for the coming train, designs and assembles the hardware and software of this system. all of them have got past the test on the spot and got a satisfying result

    課題中的關鍵是如何得到列車運行信號的特徵規律,在本文中對這些列車接近信號的一些分析方法作了介紹,著重分析了採用共振解調技術發現遠程來車的信號,同時針對不同情況下的信號進行了初步分析,研究了來車的識別技術,並對系統的軟硬體進行了設計和組裝,通過了現場試驗,得到了令人滿意的結果
  3. The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network

    利用小波包分析,將擺式車體試驗臺上採集到的振動加速度信號分解在相互獨立的頻帶之p內,各頻帶內的能量值形成一個向量,將其作為神經網路的輸入特徵向量, 。
  4. ( 4 ) since there is no perfect theoretical guide, the characteristics of orthogonal wavelet, semi - orthogonal wavelet and biorthogonal wavelet in signal decomposition and reconstruction are compared, and the conclusion of the study demonstrates that semi - orthogonal wavelet is a good wavelet for fault diagnosis in tilting control system of tilting train. a new approach is presented for deciding the fault threshold. ( 5 ) a generalized wavelet neural network is put forward by integrating wavelet analysis with neural network

    ( 4 )針對小波基的選擇缺乏完善理論指導的實際情況,通過對常用的正交、半正交、雙正交小波基提取信號特性的比較,確定出了適合擺式列車傾擺控制系統故障診斷的小波基? ?半正交小波基,並提出了一種新的確定故障檢測閾值的方法,可以快速地檢測出故障發生時刻。
  5. Taking the pinboard of input converter train control signal as an example, this paper introduces the fault detection principle and the implementation, holds that the testing system will provide an effective method for sibas16 traction control unit

    以列車控制信號輸入變換插件板為例,介紹了牽引控制單元插件板故障檢測的實現方法。
  6. The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals

    本文圍繞著多載波相位編碼信號在信號設計與信號處理的若干關鍵問題進行了研究,主要做了以下工作:描述了多載波相位編碼信號( multicarrierphasecoded ,簡稱mcpc )的信號形式,給出了其數學模型,對其中相位編碼序列的構成方式與特性進行了分析;從單脈沖和脈沖串兩種信號形式入手,對多載頻相位編碼信號的參數在自相關函數、功率譜密度和模糊方程上的影響作了詳細地討論,對不同調制方式的單脈沖和脈沖串信號進行了比較。
  7. Taking appropriative train test line of guangzhou metro line 2 as an example, this paper introduces the equipment, function and characters of signal system and service conditions of interfaces

    摘要以廣州地鐵2號線的專用試車線為例,分析其信號系統的設備概況、功能及特點,介紹各介面的使用情況。
  8. Code for design of under pit train trarnsportation signal of coal mine

    煤礦井下機車運輸信號設計規范
  9. The research of titling train testing & control system is the science and technology development item of the railway ministry. considering the engineering application, dsp technology, the main direction in the field of digital signal processing, is discussed in this paper

    擺式列車測控系統的研製是鐵道部科技開發項目,論文結合數字信號處理器( dsp )在數字信號處理領域的主要技術,從工程應用的角度深入地研究了dsp技術並很好地應用在擺式列車測試系統中。
  10. The corporation will take immediate action to install audible reminding signal for the driver in the driving cab which is activated just before the train approaches each station so that the chance of non - stopping at station will be further eliminated

    九廣鐵路公司將作出即時行動,在駕駛室內安裝聲響提示系統,當列車將快到達車站月臺時,該聲控系統會提醒司機減速及停站月臺,以減低列車越站的可能性。
  11. Refering to the platform screen door ( psd ) system applied in guangzhou metro line 1 & line 2, this paper analyzes the supervision and control functions of the continued automatic train control ( atc ) system ( lzb ), which is supported by the on - board and trackside equipment, and discusses the design of the interface between signal system and psd system from the aspects of safety and rationality

    摘要基於廣州地鐵1 、 2號線屏蔽門系統工程,分析、介紹了由車載和軌旁設備支持實施的lzb連續自動列車控制系統的控制和監督功能,從安全、合理的角度綜述了信號系統與屏蔽門系統之間的介面控制關系。
  12. The study recommended the excavation of pits between the rails for people to roll into. it also proposed a radar system to send a warning signal to train drivers whenever an object hits the tracks

    館站的巴黎地鐵14號線是一條於1998年建成通車的無人駕駛線路,有關部門在其全線各個站臺上均安裝了足夠高的
  13. There are a lot of ways to realize the alarm when the train approach, and sound alarm is used in this device, when the sensor receives the train - approaching signal, the controller will analyze and handle the signal of coming train by the direction of coming train, and make an alarm signal of up or down traveling train approaching

    列車接近報警的實現有很多方法,本儀器採用聲報警器的工作方式,傳感器接受到列車接近信號,控制器對來車信號進行分析處理,並按來車方向,通過聲報警裝置發出上行或下行列車接近報警信號。
  14. By processing real - time digital analog fault vibration signal and adopting minimum quadric multiplication and rectangle function, correct frequency chart will be gained. thus, the system design based on advanced dsp can be applied to the real - time fault diagnosis of rolling bearing in modern high - speed train

    通過對採集的模擬的有故障振動信號進行在線實時數字信號處理,並在信號分析方面採用了最小二乘法及加窗函數,以獲得正確的頻譜,通過信號處理,並進行結果比對,進而可證明此系統在高速列車轉向架滾動軸承在線診斷中應用的可行性。
  15. Trough experiment it can be proved that the improvement can notable lessen time in train network. at kst after dealing with the signal collected in test - bed for simukting the broken - down gear - box, using the software a neural - network is designed. after being trained and testing the neural - network is proved to reach the require of diagnose for gear - box

    最後又由齒輪箱模擬故障試驗測得的試驗數據在智能故障診斷系統軟體中進行信號處理和神經網路的訓練,經對訓練好的神經網路檢驗可以看出它是完全能滿足齒輪箱齒輪的故障診斷要求的。
  16. This buzz was being caused by the train of very short pulses of microwave signal, each pulse causing a single click

    它是由非常短的微波脈沖信號引起的結果,每一個脈沖發出一聲響聲。
  17. This disseration focuses on a sub - project of the spot responder in the china train control system ( ctcs ). the design objective is to reseach and implement the fsk signal transmitter and receiver with low power cost and high reliability, according to the fsk signal characteristics in the spot responder system

    本論文所研究的課題是中國鐵路控制系統( chinatraincontrolsystem , ctcs )點式應答器的子課題,其目標是根據列車控制信號的特點,對點式應答器系統中的瞬時、低功耗、高可靠性的fsk信號發射機和fsk信號接收機的關鍵技術進行研究與實現。
  18. When digit signal orbital circuit is adopted in the equipment, which is used to transmit train - to - wayside information and location train position, the length of digital signal orbital circuit should be the minimal measure unit of distance interval between trains

    摘要採用數字軌道電路作?車地信息傳輸設備及列車定位設備時,列車之間的安全間隔距離必須以數字軌道電路的長度作?最小計量單位。
  19. The main problem the paper tries to resolve is the application of the available digital signal processor ( dsp ) in the testing system of the tilting train based on the current digital signal theory

    其中, ti公司的tms320c4x系列在浮點dsp領域中佔有非常重要的地位。論文的主要任務是:根扼當前數字信號處理理論,用通dsp實現擺式列車測試系統。
  20. After collecting the characteristics of this signal in frequency domain, the samples are learned to train the constructed wavelet neural network ( wnn ) for realizing the mapping relationship between the fault and the spectrum characteristic, this method can be used for diagnosis of the unit faults efficiently

    在對水電機組振動信號進行頻譜分析后,提取該信號在頻率域的特徵量,將頻譜特徵向量作為學習樣本,通過訓練,使構造的小波神經網路能夠反映頻譜特徵向量和故障類型之間的映射關系,從而達到故障診斷的目的。
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