電信號器 的英文怎麼說
中文拼音 [diànxìnháoqì]
電信號器
英文
buzzer-
A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals
無線方向探測器一種無線電接收和指向天線系統,用來確定收到的無線電信號的角方向An electric motor was driven between two limits by electrical signals from the programme.
由程序器發出電信號,使馬達轉動,並可停在兩個限位以內。The torque motor received dc current signals from the electric control and applies torque to the single - piece armature and flapper which is supported on a torsion flexure
力矩馬達接收來自電氣控制器的直流電信號並將力矩施於由轉矩撓曲支撐的整體式電樞及擋板。 ?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,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,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,造成磁偏或單向磁化,導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。Designed to replace damaged photoreceptors - - the eyes light - sensing cells, which normally convert light into electrical signals - the chip runs on ambient light without batteries or wires
這種晶元是設計用來代替已遭破壞的光感受器,即眼睛中的光敏單元,正常情況下它把光轉換成電信號,此晶元利用環境光工作,沒有電池或連線。During the period of measurement, the transduction circuits transform the differential pressures, the absolute pressures and the temperatures received by the sensors into the voltage signals, and then, the voltage signals are transformed into digital signals by the a / d convertor. the mcu processes these digital signals and calculates the cumulation of the flow. finally the totalizers contact with the pc by rs - 485 bus to form a distributed measuring network
在測量過程中,系統以流量計節流所獲得的差壓信號作為主信號、絕壓和溫度信號作為補償信號進行流量積算,這三種信號分別由相應傳感器感知后,經各自的物理信號測量電路轉換為電信號,再由a / d轉換模塊轉變為數字量,交微控制器進行處理、積算。In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector
瞬態時間分辨譜測量方法的主要思想:使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探測器接收並轉換光信號為電信號,用通用計算機控制採集並處理光譜數據。Ab stract the author is engaged in the studying and manufacturing of an intelligent, capable and portable, multifuctional electrocardio monitoring equipment with aduc8 12 single - chip. microcomputer. the equipment can gather and record the electrocardio signals automatically, also can analyse it at real time, and send it out to the monitoring center through the telephone at real time or send it out by serial interfaces to computer. it use the graph display device to show the electrocardio waves and menu. cooperated with buttons, it provides amicable interface, and makes operation simple and convenient. based on the feature of the electrocardio signals, this paper also proposes a electrocardio distortionless data compression algorithm. the algorithn is simple but effective, it can process the data at real time, and the compression - ratio reaches 2 6
所研製的監護儀能長時間採集和記錄心電信號,同時可進行心電數據的實時分析,並可通過電話向監護中心實時發送,也可通過串列介面發送至微機。該監護儀採用圖形液晶顯示器顯示心電波形和菜單,配合按鍵提供友好的人機界面,操作簡潔。本文還根據心電波形的特徵,提出一種心電數據的無損壓縮演算法,該演算法簡單有效,能實時實現,壓縮比達到2 6倍。The portable dynamic electrocardiosignal data collector is the important part in the dynamic ecg analysis system
摘要便攜式動態心電信號數據採集器是動態心電圖分析系統的重要組成設備。This method can reflect local signal feature and well perform in the experiments. we also present an integrated electromyographic signal ( emg ) pattern recognition scheme. the application of an artificial neural network ( ann ) technique together with a feature extraction technique, for the classification of emg signals is described
利用高階譜技術提取肌電信號的特徵信息,然後利用奇異值或者其它方法對二維特徵矩陣進行優化,將優化之後的一維特徵向量輸入神經網路分類器進行模式識別,這種方法能夠初步識別不同模式的上肢運動。A temporal - spatial filter is designed for noise removing of clinical eeg signals, the first filtering is temporal filtering using band - pass filter, and the second filtering is spatial filtering with ica - based spatial filter
為了有效去除臨床腦電信號的噪聲和干擾,設計了一種時空濾波器,分兩個階段對腦電信號進行濾波預處理:第一個階段是時域濾波,用傳統的帶通濾波器實現;第二個階段是空域濾波,用基於獨立分量分析( ica )的空域濾波器實現。An 8 - channel electroencephalogram ( eeg ) amplifier is designed based on instrumentation amplifier and universal active filter
摘要介紹了基於儀表放大器和通用濾波器的八通道腦電信號放大電路的設計方案。Is there an earth station, a base for relaying radio signals to and from artifical satellites and interplanetary sapcecraft, in your city
你們城市有那種地球站嗎?就是作為中繼向人造衛星和星際飛行器發送的或中繼來自這些地方的無線電信號的地面基地?The principles of laser technology, photo - electronic transformation technology and photo - electronic signal gathering technology were discussed in this paper, a new imaging laser threat warning device used in antagonizing laser - guiding weapon was designed and its main parts and circuit were described in detail
本文闡述了激光技術、光電轉化技術以及光電信號採集技術的基本原理。根據來自激光制導武器的威脅,採用較為先進的光敏電荷耦合器件( ccd )和廣角遠心魚眼型透鏡的探測技術,以及幀存儲和幀減法技術。It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly
本課題研製一套電器試驗參數高速採集系統,能夠檢測試驗迴路中試品上的電壓信號和迴路中的電流信號,並根據這些電信號的數值利用計算機進行在線計算,並給出用戶需要的各種電參數值和用戶需要的波形圖,通過計算得到的電器參數有功率因數、焦耳積分、有效值、最大最小值、時間常數等。The demodulator receives its reference voltage from the signal-generator voltage supply.
解調器的參考電壓由電信號發生器電壓電源供給。So we invented this mixed controller. it was consisted of an intelligent voltage transfer, a single - microcomputer control centre, and circuits for driving motors. its principle was used sensors to measure the weight of materials. then sensors converted the weight to electrical signal. passing the transfer the signal processed by the sing - microcomputer controlled the drivers of motors working
智能配料控制器主要由智能變送器、單片機控制器、電機驅動電路等組成,主要工作原理是用壓力傳感器進行物料的重量測量,傳感器把物料的重量轉換成電信號,經變送器把信號送入單片機進行處理,再由單片機發出物料已稱足重量的信號去控制送料和卸料電機工作,同時單片機還可與pc機進行串聯通信,實現微機集成控制。Ecg monitor module included signal collection channel and related data processing based on mcu. the signal collection channel which adopted high performance integration instrument amplifier was designed according to the features of ecg signal. msp430f149 mcu was used in controlling lead - switch, state - switch and the a / d conversion
根據心電信號特徵,使用儀表放大器設計了高指標的心電信號採集通道,由msp430f149單片機進行控制,可選擇多導聯切換檢測,以及切換工作模式,並對模擬信號進行a / d轉換。A thin disk, especially in a microphone or telephone receiver, that vibrates in response to sound waves to produce electric signals, or that vibrates in response to electric signals to produce sound waves
膜片,振動板一種薄的圓盤(尤其是在麥克風和電話收話器里那種)響應聲波振動產生信號或者響應電信號振動產生聲波The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network
文章主要分為三部分:第一部分論述了微小信號的檢測方法,主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎損耗效應及光纖應力傳感器的研製;第二部分重點講述了智能光電檢測系統的研製,主要講述了微弱光電信號調理電路的設計及由前(后)向通道、單片機、 led 、人機介面、通信介面等組成的智能光電系統的軟硬體的具體設計;第三部分為檢測系統的網路通信部分,具體闡述了單片機系統間的組網技術、單片機和modem之間的通信及通過現有的公用電話網路實現遠程監控的技術,實現現場檢測系統與橋梁測控中心的數據交換。分享友人