頻譜計 的英文怎麼說

中文拼音 [bīn]
頻譜計 英文
spectrometer
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  1. Formant : it uses the estimation of the overall shape of the spectrum ' s amplitude envelope

    共振峰:使用了對的振幅包絡線的大體形狀所作的估
  2. The structure of the testing platform is described, and the experiment content and principles are given in detail. the transmission error curves and space frequency curves are emulated. the circuits of rotor part and software are finished

    本文介紹了實驗臺的整體結構,實驗內容的設置和各實驗的工作原理,模擬了傳動誤差曲線及其空域圖,詳細闡述了轉子測量的電路設、下位機程序設和上位機的軟體設
  3. Hi this thesis, the technique of detector array is used to obtain the location of anomalous infrasound, it is the basic of the study of prediction of earthquake. to derive useful information by using spectrum analysis on infrasonic signal. then combing with other methods a forecast could be made

    本課題主要是利用數字技術,採用用傳感器陣列算異常次聲波波源的方位,這是今後預測震中位置研究的前提;並對次聲信號進行分析,提取有用的關于臨震次聲方面的信息,再結合其他的預報方法,作出準確的地震預報。
  4. The bandwidth ( megahertz ) and spectrum position of the signal arising from television scanning

    電視掃描信號所佔的位置和帶寬(以兆赫) 。
  5. On the other side, we use the method of optical formation process to introduce two fundamental filtering function in frequency domain of coherence system of awg two optical processors are designed, that is optical signal add / minus and phase filter

    另一方面,運用光學信息處理方法,我們探討了awg型相干系統區兩類基本的濾波函數的引入,設了兩種光信號處理器:光信號加減器以及位相,濾波器。
  6. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從算機視電磁泄漏和數字濾波器兩方面的基本理論出發,詳細論述了算機視信息電磁泄漏的原理及特點,指出視泄漏信息的是以行為周期的線;分析了重加濾波器和梳狀濾波器的性能;分析了視泄漏信息截獲的條件;推導出穩定截獲視泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。
  7. Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators

    此方案將監測點放在後置功率放大器的後面,從分束器中分出99 : 1的光進入光掃描模塊,傳給功率控制模塊的光功率值經過選代演算法后算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。
  8. In this way, it is possible to pick out two quite different spectral ranges from one and the same seismometer.

    這樣,一臺地震就能拾取兩種截然不同的范圍。
  9. However, the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution

    採用相應調制方式的ic品種繁多,各有千秋。但pwm在輕載時效率較低,而pfm由於分佈隨機,不利於后續濾波器的設
  10. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單極子模型模擬算機陰極射線管顯示器電子束,並詳細研究了電子束的加速場,首次給出了其算公式和實驗測試結果;還提出了一種新的從場點出發的信息電磁泄漏分析方法,實驗證明了其有效性; 3
  11. The apparatus, with the specialities such as miniature, automation, flexibility, and individual - computer managing has become the developing trendof the testing equipment today. based on analysis of the characteristic and the system structure of the visual instrument, the paper has studied the design idea of it, put forward the exploiting methods of the visual instrument based on the object - oriented technique, exoatiated on the technique kernel of design the visual instrument under windows environment, designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system ", which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument. the system has more excellent functions and characteristics than traditional instruments

    本文研究了虛擬儀器系統的設思想,在分析虛擬儀器系統的特點及其體系結構的基礎上,提出了基於面向對象技術的虛擬儀器系統開發方法;闡述了windows環境下實現虛擬儀器的技術要點;實現了一個典型的虛擬儀器系統「 vis ? 1信號示波分析系統」 ,該系統集普通示波器、超低示波器、存儲示波器、瞬態信號記錄儀、波形及分析儀等多種儀器功能於一身,並具有許多傳統儀器難以達到的優越功能和性能。
  12. Design of adio spectrom analyzer

    分析儀的設
  13. To obtain the statistical boilerplate of lst according to the asymmetry distribution of cloud, we compared the images of the averaged temperature, which were respectively imaged by using satellite remote sensing and by using the general weather data, and analyzed the frequency of real - time lst figures by employing appropriate templets

    針對雲系的空間分佈不均勻性,採用適當模板對lst實況圖進行分析,找出lst的統樣區,繼而對這些區域的lst數值進行平均,得到多年lst平均圖的參照標準。
  14. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發,節省系統資源,課題首先從數字信號處理的理論進行分析,得出可以利用抽樣率轉換的數字濾波器的特點,即多相濾波實現數字上下變算負擔的減小,之後進一步將多相濾波器與搬移部分結合,通過公式的推導,得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  15. It shows that hard layers barely affect the ground motion and can thus be neglected in general. the soft layers, on the other hand, can influence the ground motion greatly, i. e., seismic response will decreases when the period less than 0. 1s and it increases when period greater than 0. 3s, but it will not change significantly for the long period over 3s. therefore the whole effect of the soft layers on earthquake ground motion in fact depends on the characteristic frequencies input

    研究結果表明,硬夾層的影響很小,一般情況下,可以不予以考慮;軟夾層有較顯著的影響,其影響主要表現為:對周期小於0 . 1s的高段反應減小,對周期大於0 . 3s的較長周期段反應增大,而對周期長達3s及以上周期段反應幾乎無影響,因此,軟夾層對場地地震反應影響的總體作用是增大還是減小反應,取決于算基底輸入地震動的特性。
  16. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括:數字濾波、時域加窗、自相關與互相關處理、均值和方差算、概率密度和概率分佈函數算;在快速傅立葉變換( fft )基礎上算自功率、互功率率響應函數、相干函數、倒分析;基於短時傅立葉變換( stft )的聯合時分析等。
  17. Statistics of wave crests with different directional spreading parameters and different directional functions are obtained and discussed. jonswap spectrum and the directional function suggested by mitsuyasu, donelan and wen respectively are employed in the analyses. statistical distribution of wave crest characteristics such as crest length, crest height, and directional angles based on the above - mensioned numerical simulation of 3 - d random waves are analyzed

    以jonswap,選取光易型方向函數(含三個參數) 、 donelan方向函數以及文氏方向函數等不同的方向函數進行模擬,對得到的波峰形式進行比較,分析了方向函數對波峰長度統值的影響。
  18. Adopting the latest research result on dynamic signal discrete spectrum analysis and the idea of virtual instrument, a dynamic signal analysis virtual instrument software system is developed, which is based on windows and has good performance

    並採用動態信號離散分析領域最新研究成果,基於虛擬儀器設思想,研製一套方法新、功能全、實時性好、精度高的基於windows的通用動態信號分析虛擬儀器軟體系統。
  19. As another application instance, a subsystem monitoring ultra - high frequency partial discharge of transformer is developed, which can analyse, process, plot time - domain pd data and demodulated pd data, besides, it also has such discharge type recognition function as spectrum calculation and auto correlation

    作為另一應用實例,研製了變壓器超高局放監測子系統,此系統具有分析、處理、顯示超高時域波形及其包絡線波形數據的功能,還具有用於放電模式識別的時域波形及其包絡線波形的頻譜計算和自相關處理等功能。
  20. " however, as responsible broadcasters, when our professional assessment and experience told us that it would make a difference for the future dtt - multimedia industry, we feel it is our obligation to the public we serve to make constructive comments and suggestions on technical standards as well as frequency plan proposed, " said mr. s. k

    電視都可應用。但作為負責任的電視臺,憑我們的專業知識及經驗發覺建議有問題,我們認為必要就技術標準及頻譜計劃建議提出有建設性之意見。
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