門信號 的英文怎麼說
中文拼音 [ménxìnháo]
門信號
英文
gate signal-
The method is given to solve the problem in adaptive demodulation that adjudgement will worsen when the snr is low. by using the error signals to reduce the demodulated signals, the bit error rate will be improved
模擬中，針對dpsk信號的自適應解調中小信噪比下門限失效的問題，提出了利用誤差改進門限判決的方法，將誤碼性能提高了1 2db 。Such tags could emit 128 different signals in parallel, allowing the collection of data about an animal ' s breathing rate, wing - beat frequency and heartbeat ( if it were a species that actually has a beating heart ) in addition to its geographical location
佩帶器還可以發射128種不同的信號，這樣除了動物地理位置之外，還可以收集其它分門別類的數據，諸如動物的呼吸、翼擺、心跳頻率（針對有心跳頻率的動物）等等。Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used
通過對差頻信號進行的分析，得出了差頻相位的具體表達式，表現出了要檢測的各量的物理意義，對檢測的方法提供了理論依據。利用二維fft方法，可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題，採取時間波門的處理方法。The circuits driving the ccd and processing the video signal are implemented by means of cpld ( complex programmable logic device ) and hdl ( hardvvare description language ). the solution to solve the problem of multi - level logical competitive risks that occur in cpld circuits frequently was provided in details in the thesis
Ccd的驅動電路和視頻信號處理電路採用cpld （可編程邏輯器件）和hdl （硬體描述語言）實現，文章對cpld電路中容易出現的多級邏輯冒險競爭情況作了專門的敘述和提出相應的解決方法。In this article, double threshold, iteration is applied to improve segmentation algorithm based on signal energy, and short - time zero - crossing rate is proposed for the first time to determine the exact boundaries between different components of heart sound
本文通過使用雙門限、迭代等方法，改進了基於信號能量的分段演算法，並首次引入短時過零率以更準確地定位分段邊界。Four databases contained are as follows : student information database stores the school ' s section ( including school and department, specialty, class, etc ) ; as well as undergraduates " information ( including student ' s serial number, name, score in each academic year and semester, class curriculum schedule, teacher curriculum schedule, etc )
本系統共有四個數據庫，分別是學生信息庫：保存學校的部門信息（院系、專業、班級等） ；在校本科生的信息（學號、姓名、各學年成績、班級課表、教師課表等） 。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨，本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制，文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況，尤其是國內小型水電站的自動化現狀，針對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。Mayday, mayday, mayday, rear cabin door opened in flight, explosive depression in flight deck and cabin
遇險信號，后艙門在飛行中打開，駕駛艙、客艙急劇減壓。Based on the speech produce model, we find the reason of periodicity disappearance and the extremum number increase by analysing the character of speech signal when the glottal closes
於是從語音產生模型入手，詳細的分析了聲門閉合時刻語音信號的性質，找到了濁音信號經過小波變換後周期性消失、極值點個數增多的原因。If the wavelet transform is directly implemented in pitch detection, comparing the glottal closure singularity of speech signal with image grey break, we will not obtain the anticipative result
將聲門閉合在語音信號中表現出相應的奇異性，與圖像邊緣的灰階突變進行等價對比，直接將小波變換用於聲門閉合奇異型的檢測，並不會得到預期效果。He gunned his motor at the stoplight.
在信號燈處，他踩大了車子的油門。The systems of century ck security locks and automatic alarm lock security have special features, when the larcener were seen breaking a lock, the setbar of door lock shock, it automatically switches touch alarm, it quickly issued a warning signal, alarm and transmitted to the mainframe, telecommunications company by phone or sent to the terminal, it can be 110 and the security alarm centers, community policing, the residential quarters network security departments, the police realized the linkage
世紀西科防盜鎖具及自動報警防盜鎖具系統在防盜方面有獨到之處，一旦盜竊者有撬門或破壞鎖具，門鎖的鎖栓震動，能自動觸動報警開關，迅速的發出報警信號，並傳送到報警主機上，通過電信公司發送至手機或電話終端；可以與公安110報警中心，社區治安聯防，住宅小區保安部門聯網，實現了聯動報警。The method can be used in the measurement of periodic and nonperiodic signal. according to the high accuracy and fixed gate - time measurement method, based on the multiple period synchronization method, the high speed, high accuracy and continuous frequency measurement is accomplished
將其再與一種從多周期同步法發展而來的高精度、定閘門法相結合，從而實現了高速、高精度、連續頻率測量，這非常適合非頻率量的頻率傳感信號的測量。Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well
第四章設計和確定了儀器系統軟體演算法的部分參數：分析和比較了不同群延遲特性的數字濾波器對頻率估計的影響；確定了影響頻率估計參數?數據長度的取值規律；給出了判斷傳感信號有效性的檢測方法並確定了檢測門限的取值規律。Now they approached the darker smudge that had been the signal fire, yawning, rubbing their eyes, treading with practised feet.
這會兒他們走近曾經是信號火的一堆黑漆漆的余燼，打著呵欠，揉著眼睛，熟門熟路地走著。Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram
通過光功率計對每條光纜中的備用光纖進行實時的監控，測試光功率的衰減值，主控計算機不斷循環的對每個光功率模塊進行數據採集，並記錄每路光信號的光功率衰減值，然後進行分析處理，如發現達到設定的光功率衰減門限值就報警，並控制光開關的切換，將故障光纜中的另一備用光纖與otdr卡連接，通過otdr卡對該光纖進行測試，從而確定故障點。The intelligent relay detecting console ( irdc ) is a device to repair, test and administer the railway signaling relays which are mainly used by the testing institute of railway signaling relays in the railway electronical affairs departments
設計該繼電器智能檢測臺主要是為了用於鐵路電務部門信號繼電器檢修所對信號繼電器進行檢修、測試及設備管理。Design and study of fluxgate signal processing circuit
磁通門信號處理電路的設計與研究The phase detecting error caused by local oscillator frequency drift and non - synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time
該方法可以有效的消除因本振信號頻率漂移及閘門信號與被測信號的非同步引起的測相誤差，同時提高了測量速度。分享友人