正常化信號 的英文怎麼說

中文拼音 [zhēngchánghuàxìnháo]
正常化信號 英文
oromo
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 正常化 : normalization
  • 正常 : normal; regular; average
  1. Psittacula agapornis ), oscine passenon ( emberiza rutila ) and the vocalizations of sub - oscine passerine ( melopsittacus undulates, psittacula agapornis ) after sectioning nxiits were recorded by sharp gf - 6060 recorder. cooledit2000, an acoustic analyzing software, was used to produce the original wave and it ' s expanded time windows, sonograms, spectrums and power static histograms. to distinguish the acoustic differences of their natural vocal and to find the changes of sub - oscine passerine ' s song after sectioning nxiits, the above results is acoustically analyzed and compared, expecting to provide some advantage to further explaining the mechanism of vocal production

    本實驗以非鳴禽(家鴿、家雞) ,亞鳴禽(虎皮鸚鵡、牡丹鸚鵡)以及鳴禽(栗? )為實驗材料,記錄其叫聲以及亞鳴禽斷nxiits后的叫聲,用cooledit2000聲音處理軟體制出原始及其展開圖,聲圖,頻率譜圖以及能量統計分布圖,並對所得結果進行聲學比較分析,以期得到鳴禽、亞鳴禽及非鳴禽叫聲在聲學特性上的差異,以及亞鳴禽在斷神經后叫聲的聲學變,旨在為進一步解釋其發聲機制提供幫助。
  2. The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation

    二、在高頻變壓器原邊,當開關管接收控制脈沖列(經調制的spwm波列)導通時,在低頻調制半周或負半周內,施加在變壓器繞組上的是同一方向的電壓,變壓器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁,導致低頻電放大失真或由於很大的磁電流而無法工作。
  3. The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system

    ( 4 )夏季南亞高壓東西振蕩具有明顯的年代際變特徵,本文分別討論了對應於10年周期態的位相年和負位相年及25 - 30年周期態的位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵,發現無論是10年周期態還是25 - 30年周期態,對于夏季南亞高壓東西振蕩的位相年和負位相年以上各要素場呈現為很好的反位相特徵,說明夏季南亞高壓的年代際變與氣候系統中其他要素的年代際變具有很好的關聯性,可將南亞高壓看作氣候系統中大氣子系統異的強,通過分析南亞高壓的年代際異可以更直接地研究和預測區域氣候異
  4. Before the connectting between moden and other equipments, it works at the cammand mode, the cammand that is send to moden is used to set or manipulate the mode, after the connectting between moden and other equipments, it works at connectting mode, at that time, the cammand send from the computer is send to another computer which will pass the moden and telephone line. the moden control cammand is called " at " cammand, all the control manipulation is realized by sending the ascii character to moden, after the moden received the " at " cammand, it firstly judges the cammand, secondly, it analyses and executes the cammand, finnally, it executes a response by sending back a ascii character, during the deseign of below - computer, we introduce in detail the deseign of system hardware and system software, below - computer system hardware and system software, below - computer is made up of microchip collecting and controlling system, which finish the strobe and water level data collection, display and disposal, deal with the communication with the above - computer, the microchip is the centre of data dealing with, the peripheral equipments are made up of data collecttion module, control cammand input module, display module, execute output module, and long - distance communication module

    在moden控制軟體的設計中,詳細敘述了moden工作時的幾個重要函數:初始函數、撥處理函數、應答處理函數、掛機處理函數,設計並調試了四個函數的通程序,數據機工作時存在兩種模式,命令模式與連線模式,命令模式是針對功能設置的模式,連線模式是數據傳輸的模式。當數據機未與其他設備連接時,其處于命令模式,這時候下達給數據機的指令是作為數據機本身設置或操作用的;當數據機已經與其他設備連接時,其處于連線模式,所有在此時由計算機送至數據機的息都將經由電話線傳送到另一部計算機上。專門使用於控制數據機的指令集被稱為「 at指令集」 ,對moden的所有操作(如撥、應答、掛機等)都可以通過給moden發送ascii字元串來實現, moden在收到at命令后,先對命令進行判斷,接著分析和執行命令緩沖區中的命令,最後以自身的ascii字元對命令作出響應。
  5. Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended

    文摘:用蓄電池做后備電源的系統(或設備) ,因過放電導致電池提前報廢而造成設備故障.根據電池電壓隨容量變的規律,利用電壓比較器和電壓基準源設計製作了電池放電保護電路,當電池放電量接近容量的50 %時,啟動預警;當電池放電量達到容量的80 %時,電路自動切斷負載,防止電池過度放電,延長電池壽命,保證系統(或設備)在供電恢復后能運行
  6. ( 2 ) the encoder can work properly from - 10 c to 70 c, the output signals are stable

    ( 2 )該智能磁編碼器能夠在? 10 70工作,輸出穩定準確,解決了半導體銻銦磁敏電阻溫度特性差的問題。
  7. A powerful tool of dynamical system analysis named normal form method is presented in this dissertation, and then it was used to analyze oscillation phenomena in interconnected power grids. using nonlinear coordinate transformation of normal forms, a fully described power system can be converted to an equivalent reduced order model, which can still use the conventional modal analysis of small signal stability problems

    論文將動力系統非線性分析的規形理論應用於互聯系統低頻振蕩分析中,利用規形方法的非線性坐標變換,將高階電力系統轉為等價的低階系統,在保留非線性息的同時,使其仍然可以使用規小穩定研究的模式分析方法。
  8. Class with specific information about the source code being compiled and the line number on which the exception occurred

    使用關于在編譯的源代碼的特定息和發生異的行初始
  9. It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap

    實驗中還發現,在峰值磁場0 . 57t和束流半高寬44ns情況下,得到了25ns半高寬和35ns底寬的微波脈沖,隨著導引磁場增加,微波幅值基本不變,但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍,說明在磁場軸向分佈的一定變范圍內,器件都可以工作,這對以後的永磁場系統導引的微波實驗有利。
  10. The human total rna was extracted from the foetal liver tissue sample of spontaneous abortion. mrna was separated and purified from total rna. apoe3 cdna was amplified by rt - pcr with a signal or without a signal sequence

    流產胎幾肝組織中提取總rna ,分離純mrna ,以mrna為模板, rt pcr特異擴增帶肽和不帶肽的人apoescdna片段,將apoe
  11. It adopts the xbrothers professional security and facility control system which includes : the real - time monitoring and controlling for the electric power supply system ; the air conditioning control system ; the ups control system ; the leaking control system ; the fire alarm system ; the video surveillance system and ; the access control system. the system provides the fire monitoring and turn to emergency status when fire detects. the system alarms for the abnormal of the important field through adjusting dynamic detecting sensors, according to the demands in the video marking field

    在該監控系統中,如果檢測到消防報警,系統會自動聯動門禁系統打開對于重要區域的視頻劃定動態檢測報警區域,根據機房內不同的環境情況,通過調節動態檢測靈敏度,來實現移動報警系統採用模塊結構設計,可以方便的進行系統擴充,在本項目最初實施的過程中只安裝了一套指紋加刷卡的門禁系統,在使用的過程中,根據清算中心的要求,需要對機房內的另四道門加門禁系統,則監控系統在不影響原有系統運行的情況下,進行系統的平滑升級,最大的保障系統的安全與用戶的投資。
  12. In order to keep the signal transmission unfailing, bch error - correcting code is applied in the system. this kind of system does n ' t affect the application television broadcasting normally and does n ' t increase video signal bandwidth additionally. it optimizes the transmission circuit for control signals and solves the problem of time - delaying, thereby it promotes the transmission more efficiently and economically

    這種新型的應用電視在不影響電視播放和不增加電視傳輸帶寬的前提下,將控制搭載在視頻通道上運行,優了控制傳輸線路,解決了時延問題,達到了利用電視逆程資源的目的,真意義上實現了單纜傳輸監控系統,促進了監控系統的高效和經濟
  13. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大,電源的諧波含量過高,紋波系數過大,乃至電源設備損壞、輸出異等情況出現,將會嚴重影響視頻的圖像效果,大大降低防盜系統的穩定性和可靠性,我們採用快速傅利葉變換原理,即fft變換,通過對市電、穩壓電源、 ups電源、開關電源等的電壓進行fft變換,從而得出中各次諧波的含量及畸變系數,並將其與工況下的參數進行對比,從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況;組成監控系統的設備長期處于工作狀態,往往由於設備散熱條件不好、設備老故障等原因導致設備表面溫度過高,從而影響設備的運行,降低設備的使用壽命。
  14. Secondly, comparing with the algorithm that was given by english scholars a. k. nandi and e. e. azzouz in 1995, this dissertation presents a modified automatic recognition algorithm of six kind of digital modulation types such as 2ask, 4ask, 2psk, 4psk, 2fsk and 4fsk, which only uses four key features, and has a very great exaltation in the rate of correct recognition and the performance of signal to noise, we puts forward the constitution of the best threshold which is applicable to the signal that changes within the scope of the signal to noise rate ( snr ) from 5db to 30db, and the overall success rate is not lower than 92 % when snr is over 7db

    其次,針對1995年英國學者a . k . nandi和e . e . azzouz提出的針對2ask 、 4ask 、 2psk 、 4psk 、 2fsk和4fsk這六種用的數字調制識別的演算法,提出了一種數字調制方式識別演算法( dmra )的改進演算法。該演算法僅利用四個特徵參數,就可以識別這六種調制方式,而且在調制識別率和噪比性能上都有了很大的提高,能夠在噪比不低於7db時,對實際的識別確率高於92 % 。並且提出了最佳門限的設置方法,設置的門限適用於噪比在5db ~ 30db范圍內變
  15. Some researchers in universities are investigating the possibility that high levels of fat and fructose are mucking up our brain chemistry, and thereby muting the signals that would normally tell us to put down the fork

    一些大學學者在研究是否過量的脂肪和果糖會擾亂我們大腦中的學物質,從而防礙大腦在情況下發出讓我們放下餐叉的
  16. With the rotational complex empirical orthogonal function rceof, we analyzed the spatio - temporal evolvement of the latest fifty years ssta of pacific ocean. came to a result that there are two strong signal center : one at middle and east pacific ocean near equator, the other at 40n. it will take several months to half a year for the signal to reach west pacific ocean from east coast of pacific ocean near equator correspond to enso

    運用轉動復自然交展開rceof分析近50年太平洋海溫場的時空結構,得出在赤道中東太平洋和40n附近有兩個海溫異中心赤道東海岸太平洋海溫異對應enso在幾個月到半年左右傳播到赤道西太平洋海溫主要周期大部分落在310d的范圍內,還存在年和準兩年變
  17. A new laser diode driver based on a high - integrated laser driver chip is designed in this paper. this driver realizes the common work of a laser diode and makes it emit laser with stable power. furthermore, it can set the output laser power and modulate the laser signal by setting the modulation signal

    本文設計了一種基於高度集成的激光器驅動晶元ic - wkn的半導體激光器驅動電源,該電源在實現半導體激光器工作並能夠發出功率穩定的激光的同時,能夠利用調節電路設定或調節激光器的輸出功率。
  18. The main purpose of this research on the chinese medicine diagnosis by feeling the pulse is to replace the doctor s fingers with a pulse detecting device to examine the pulse wave, which is converted into digital signal s and fed into a computer system through the usb interface. the viscosity of blood is distinguished whether the amount is normal or not by examining the pulse wave via the computer analysis

    本研究的主要目的是將中醫脈診的方式電腦,即利用脈搏感測器取代手指量測脈搏波形,再將它換成數位,並透過usb介面傳入電腦,經運算分析辨識后,顯示量測脈搏波形的血液黏度是否
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