測波計 的英文怎麼說
中文拼音 [cèbōjì]
測波計
英文
[工業] wave gauge-
Wavelength division multiplex technology of the fiber optic pyrometer
光纖測溫計的波分復用技術Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method
其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求,並在此基礎上加入g . 729b的靜音檢測模塊,以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法,通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計,信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號,信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計,除了類似雙音多頻的信號發生及頻率檢測設計外,還需要檢測信號持續時間,作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。First, the harmonic analysis method based on fft is discussed, and some practical issues in the application of fft are investigated. the factors which affect the calculation precision of harmonics, such as sampling and weighting of window function, are analyzed, and then the instructive conclusions for designing voltage monitor are obtained
首先闡述了基於fft的諧波分析方法,對fft實際應用中的問題進行了研究,通過實際算例探討了采樣方法、窗函數加權等影響諧波計算精度的因素,得到了對電壓質量監測儀的設計具有指導意義的結論。Detection and measurement device of harmonic electric energy based on harmonic power tidal current analysis
基於諧波功率潮流分析的諧波電能檢測與計量A new method which is fit to the prediction of supper - shortterm exchange rate was proposed. the data for experimentation was got from internet, and the model was established with the reconstructed phase space and kalman. compared with the neural network p.
實驗數據通過網路獲取,模型採用的是相空間重構與卡爾曼濾波計算的方法來對超短期匯率數據進行建模和預測,並與bp神經網路模型進行了比較。A new method was introduced for testing the fuel injection law of diesel engine via neural network on the basis of the calculation of the pressure waves measured by a sensor clamped on the high - pressure tube of a diesel engine
對用外卡式壓力傳感器測量的柴油機高壓油管壓力波計算噴油規律的方法進行分析,提出了利用人工神經網路檢測柴油機噴油規律的方法。Research of multi - point pulse wave computer measurement system using pvdf
多點脈搏波計算機輔助測試系統研究Firstly, the strain gauge method was used to measure the time difference of stress wave passing through two gauges adhered on the surface of test piece and also their main frequencies secondly, a 3 - component dynamometer was used to measure the resonant frequency of timber six kinds of full size timber were used for test
本研究旨在研發兩種新的應力波計測技術,其一為利用應變規來測定兩標點間之應力波傳遞時間差及試材之共振頻率,藉以計算試材之音速及動彈性系數,其二為利用三向動力計來測定試材之共振頻率。This article elaborated the ultrasonic ranging basic principle, thesurvey, the computational method, and detailed introduction based onultrasonic ranging technology application back - draft radar systemdesign
留學解答資訊網:本文論述了超聲波測距的基本原理,測量、計算方法,並詳細介紹基於超聲波測距技術應用的倒車雷達系統的設計。The lowest, cruelest, and worst populace of a city, never without its quantity of low, cruel, and bad, were the directing spirits of the scene : noisily commenting, applauding, disapproving, anticipating, and precipitating the result, without a check
城市中最卑賤最殘忍最邪惡的,而且從來沒缺少過那份卑賤殘忍和邪惡勁的人現在成了主宰全場的精靈。他們或品頭論足,或鼓掌喝彩,或大叫反對,或猜測估計,或推波助瀾,一律是肆無忌憚。This text has counted the electric wave propagation path loss of street in one kind of typical rule range urban area, and reaches calculations data fairly with the measured data in the document. then calculate and analyze electric wave propagation ’ s characteristic in urban area. finally give an electric wave propagation prediction application example of column building model
本文最後計算了一種典型的規則排列得城市環境中街道得電波傳播路徑損耗,並與文獻中得實測及計算數據進行了比較,然後進一步對矩形、圓柱型建築物城市小區電波傳播進行了分析計算。The count demodulator design of underwater active acoustic detecting device based on cpld
的水中主動聲探測儀計數檢波器設計The hard work and creative ideas in this paper as follows : understanding on faults of pc ' s pd, analysis of pd inside and outside pc, design of monitoring device, recognize of how to improve accurate of tgs " s measurement, wavelet - transform introduced for signal ' s processing and how to write programs and do simulations of wavelet - transform in matlab5. 3 here etc
論文主要工作和有新意的內容在於對電力電容器故障的理解,對它內外放電的機理分析,對監測裝置的設計,對如何提高tg占值測量計算精度的再認識,小波變換的引入以及具有針對性的在matlabs . 3下的模擬分析,包括對模擬工具的熟悉與使用。At first, the article describes the basic concept of testbench ; summaries general function verification approaches : white - box verification, black - box verification, and grey - box verification, and shows their different application situations ; examples general verification tools : linting tools, code review, simulator, waveform viewer and code coverage. after doing that, it discusses how to analysis the granularity for verification and how to specify the verification, and details the construct relations between verification specification, testcase and testbench
本文首先闡述了測試平臺的基本概念;歸納了常用的功能測試方法:白箱測試、黑箱測試和灰箱測試,並說明了其不同的應用場合;列舉了常用的測試工具:代碼靜態分析工具、代碼檢查、模擬器、示波器和代碼覆蓋;接著討論了如何在測試計劃中分析測試粒度、確定待測特徵;闡明了待測特徵、測試實例和測試平臺之間的結構關系。Aimmed to retard the response of ballistic missile defence system, the wavy trajectory with three crests is designed in this thesis to replace traditional parabola one. this kind of trajectory make anti - defence system have lots of difficulties to detect and compute the track and destination of ballistic missiles before reentry. so, applying the wavy trajectory can greatly improve the anti - defence ability of ballistic missiles
從延緩導彈防禦系統的早期預警時間著手,將傳統彈道導彈的拋物線彈道中段設計成有多個波峰的跳躍式彈道,使得探測系統在導彈再入大氣層之前,很難準確探測和計算導彈的落點,使得防禦系統防不勝防,從而大大地提高了彈道導彈的突防能力。Determination of trace amounts of lead in urine by slowsweep oscillopolarographic chronopotentiometry
慢掃速示波計時電位法測定尿液中微量鉛Based on the measurement, statistic, and analysis of the classified load of typical zones in ningbi, the city ' s load density distribution rule is analyzed
通過對寧波城市典型區塊分類負荷實測、統計、分析,進一步分析寧波市電力空間負荷密度分佈規律,以此為寧波市電網規劃與建設提供借鑒。Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too
本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。2. based on interoferometric technique, a parasitic interference configuration was introduced to transpose the wavelength - shift signal into phase - shift signal ; the strains were demodulated by measuring the phase change of the signal with a phase - meter
利用干涉技術,採用寄生干涉結構對傳感光柵的反射譜進行波長解碼,用相位計觀測波長漂移引起干涉儀兩臂間相位差的變化,進而監測作用在傳感光柵上的待測應變量。Based on this model, this method is then used to design some other special control schemes, such as skewness distributions, small batches, small shifts, and attribute control charts
把這種方法擴展到一些特殊的控制圖的設計當中,本文除了討論測量值服從正態分佈的情形外,還分別分析了偏態分佈、小批量生產、小波動的探測和計數型控制圖等情形時最優控制方案的設計。分享友人