電子信號測量 的英文怎麼說
中文拼音 [diànzixìnháocèliáng]
電子信號測量
英文
electronic signal measurement- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 電子 : [物理學] [電學] electron
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。A lot of domains are involved with, such as theory of electromagnetism, electrotechnics, electronics, measurement of electromagnetism. signal analysis, mechanics, cybernation, biomedicine, materials, technics, ect. the study of emc is very fargoing and the problem of emc is very complex
它涉及的基礎知識面非常寬廣,直接應用和涉及的知識有電磁場理論、電工原理、電子技術、電磁測量、信號分析、機械結構、自動控制、生物醫學、材料及工藝等等。We took a lot of data of corona pulses from the laboratory and field by using the detecting device. we got the corona finger prints for both the good insulators and the faulty insulators by statistic of the data
本文利用檢測裝置,在實驗室和現場分別採集了大量電暈脈沖數據,統計分析了有、無不良絕緣子時電暈信號的譜圖特徵。The plasma boundary can be identified by filament current method with the magnetic signals from probes around the plasma
摘要根據等離子體邊界附近的磁場測量信號,利用電流絲模型快速識別了等離子體的邊界。In order to examine the south motorcycle engine preignition phenomenon, using the rich burning information of the massive ions which are produced when the air cylinder is burnt, through analyzing the wave form difference between lighting a fire normally and firing early, it can be determined whether preignition occurs or not
為了檢測南方摩托車發動機早燃現象,利用其氣缸內燃燒時產生大量的離子電流信號所包含的豐富燃燒信息,對其火花塞正常點火和熾熱點火離子電流顯示的波形進行研究分析,從而確定是否發生早燃。The high - speed transmission error test system is a new system for te test and analyzing, which applied plus zoom theory and computer, combined the newest development of electron technology
「高速傳動誤差測量系統」是以微機為核心,結合電子技術的最新發展,將脈沖信號細分原理與微機應用相結合的新型傳動誤差分析系統。The flow - measuring system adopts the khafagi flume as the first sense organ to realize the flow / head signal conversion. the head signal is picked up and converted into voltage signal by the buoy - level mechanism and the magnet - resistant angle measuring sensor
該流量測量系統採用卡發基水槽作為一次敏感器件實現了流量水位的信號轉換,並通過浮子?杠桿測量機構和磁阻式角度傳感器對水位信號進行拾取並轉化為電壓信號輸出。Laser - scanned measuring for the diameter system involved optics, laser, electronics, computer and mechanics etc, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical sighals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real time data processing
激光掃描測徑儀系統是一種基於光學技術、現代激光、電子學、計算機、精密機械等多學科技術於一體在線檢測系統。它是用可見激光作為光源,把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號,再由計算機進行實時數據處理,給出測量結果,並數字顯示。After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened
為了使探測器的性能得到進一步的提高,我們對其進行了電子輻照改性,並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應,並對其響應時間,后沿下降時間,半高寬( fwhm ) ,載流子壽命,靈敏度進行對比,研究,結果顯示經電子輻照后的探測器的性能得到了改善,使響應速度,分辯率進一步提高,並消除了探測器輸出信號后沿的非線性,雖靈敏度有所降低,反而使其測量范圍得以拓寬。For traditional simulation methods, which simulate the output of temperature sensor, measurement lag, fault and the environment noise of temperature sensors can ’ t be considered
採用電子模擬傳感器輸出信號的方法不能將溫度傳感器的測量滯后、故障以及使用現場的噪聲等情況反映出來。Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively
Huangya14 )為材料分離克隆到一個細胞色素p450基因,命名為bccyp86mf5 , cdna全長1854bp ,含1575bp的完整開放閱讀框,編碼524個氨基酸,其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ;堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ;二級結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和細胞色素p450的典型區域,半胱氨酸亞鐵血紅素配體信號區等, -螺旋和-折疊分別佔47 . 7 、 45 . 0 ;與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ,與擬南芥cyp86c4的達到85 . 9 。The effect of detector disturb and the shell of the detector and construction material is not distinct. the low absorb cross section material is used to 235u - fission chamber. the low z material is used in experimental bracket and shielding material and the material is used less
獲得了探測器之間擾動、探測器外殼、支架材料對信號中子測量無明顯影響的結果;對~ ( 235 ) u裂變電離室,需採用中子吸收截面低的材料,對實驗裝置的支撐材料和屏蔽材料宜選用低z材料且盡量減少用材。The main contributions to the study on the flashover of insulators in vacuum are as follows : 1. a set of test system for the studies on flashover of insulators in vacuum has been developed, which consists of vacuum system, electrode system, e - dot pulse voltage measurement system, surface charge measurement system, current monitor system and luminescence signal measurement system
本文主要完成了以下工作: 1 .通過設計加工真空及試驗電極系統,研製e - dot沖擊電壓測量系統、真空中表面電荷測量系統、沖擊電流和表面微弱光信號測量系統,建成了國內第一套用於研究真空中絕緣子沿面閃絡現象的試驗平臺。It is a new branch to band piezoelectric chemistry and biological sensing technology. piezoelectric sensors are highly sensitive to multiple signals such as the surface mass and the density, viscosity, conductivity, dielectric effect of the liquid. the piezoelectric sensors are especially suitable for analysis of the proteins with high molecular weight
壓電傳感器除了可響應質量效應外,還可響應溶液的粘度、密度、介電常數、電導率等多種信號,除了氣相之外,當前的壓電傳感器還提供液相壓電傳感理論和應用技術,尤其是用於生物大分子的測定。Fortune semiconductor corp. ( fsc ), founded in 1995, positioned as an ic - supplier in the field of mixed signal processing technology, whose products ' main application fields are battery management, power management, electronic scales, digital multimeters, health - care products, and energy utilization measurement
富晶半導體股份有限公司成立於1995年,定位在混合信號處理技術領域的ic供應商,產品主要應用領域為電池管理、電源管理、電子秤、耳溫槍、多用途電表、健康保健、能源量測等。In charter iii, the author designed a set of direct current bias and a schematics for measuring signal, by which the character of conduction of the laser plasma in electrical field caused by bias was studied
第三章中本文作者自己設計了一套直流偏壓裝置及信號測量裝置及方案,從激光等離子體在偏壓電場作用下的導通特性測量,研究了偏壓對激光等離子體空間膨脹過程的影響機理。The constitution, interface and control principle of main circuit, rectifier control module, inverter control module, generator ' s rotor speed and rotor position measuring module, information exchange module are discussed. specially, the methods of implementing signals level match in multi - voltage system, synchronizing with pc in parameters measurement and measuring rotor speed and rotor position with high precision are explained in detail
文中討論了主電路、整流器控制模塊、逆變器控制模塊、電機轉速和轉子位置測量模塊以及信息交換模塊的組成、介面方法和控制原理,詳細說明了系統中實現不同電壓等級間信號電平匹配的方法、系統與上位機進行同步參數測量的方法以及實現高精度電機轉速和轉子位置測量的方法。The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity, the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children, wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc. some materials, it will be produce polarization phenomenon inside when suffered some force in certain direction, at the same time, it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force, the polarity of the electric charge also be changed, this kind of phenomenon is called as “ piezoelectric effect ”
本文設計了石英晶體壓電傳感器,以它作為傳感元件把咬合力信號轉變成電信號;利用ts5860型準靜態電荷放大器把傳感器的電荷信號轉變成電壓信號;選用usb7822數據採集卡,編寫該數據採集卡的驅動程序,採集該電壓信號並送到計算機里;編寫labview程序對該信號進行處理,得出咬合力值和咬合力曲線,並把測量結果以電子表格的形式保存,以便做進一步的分析和研究。通過對該測量儀的靜態標定、動態標定、溫度漂移標定以及實際測量試驗,證實了本測量儀具有較高的靈敏度、受動態力和溫度變化的影響比較小、能實時地顯示咬合力曲線和較準確地顯示咬合力值,滿足了咬合力測量的要求。Especially a large number of mixed - signal integrated circuits are used in the electronic equipments, such as radar, communication, navigation, computer etc. traditional test means are already unable to meet the needs of electronic equipments
特別是在雷達、通訊、導航、計算機等電子設備中大量的使用了混合信號的集成電路,採用傳統的測試手段已無法滿足電子設備測試的要求。An economical and effective new technology using sound card is proposed in this paper. it collects the leakage current from high voltage insulator, and then deals with the noise elimination using wavelet analysis. compared with the traditional signal analyzing method, the wavelet analyzing technology not only can distill the leakage current signal from the noise precisely, but also can distinguish the low quality character of leakage current signal. this method plays an important role to the device in early fault diagnosis, and can improve the accuracy of measurement and fault diagnosis in the application
介紹了一種利用電腦的聲卡對高壓絕緣子的泄漏電流進行採集的經濟有效的新技術,並通過小波分析技術對所獲得的信號進行消噪處理.與傳統的信號分析方法相比,小波分析技術不僅能從噪聲中準確提取待測泄漏電流信號,同時又可真實復現泄漏電流信號中的劣化特徵,這對設備的早期故障診斷具有重要意義.顯著提高了測量的準確度,增強了設備故障診斷的準確性分享友人