波參數 的英文怎麼說

中文拼音 [bōshēnshǔ]
波參數 英文
wave parameter
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Optimum design of a three - phase frequency changer

    變頻器濾波參數的優化設計
  2. The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character

    初步分段過程使用了能量和過零率這兩個主要特徵進行端點檢測，重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值；在最終分段過程中，筆者首先通過比較幾種特徵的識別效果，選擇卡爾曼濾波參數作為再次分段的識別特徵，還提出了一種新的識別特徵? ?周期性緩變特徵，使用這兩個特徵分別在子語音段內進行端點檢測。
  3. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型，通過新近建立的mnls孤子直接微擾理論，研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移，以及通過頻率濾波對自頻移的抑制。為此，首先給出描述mnls孤子的各物理量，然後用mnls孤子直接微擾理論，解析地得到這些問題絕熱近似下的孤子參數演化，並由此選擇頻率濾波的參數，最後用分步傅里葉方法，在對非線性項微商的演算法做出了適合於mnls孤子的改善後，對拉曼效應及頻率濾波進行了直接數值模擬，其中頻率濾波參數用微擾理論確定。
  4. This paper deduced the harmonic parameter models of electrical transformers, generators, transmission lines and electrical loads in detail

    本文較為詳細的推導了電力變壓器、發電機、輸電線路、電力系統負荷等的諧波參數模型。
  5. The paper analyses the advantages and disadvantages of a large number of harmonic analysis methods and puts forward to a new algorithm in order to improve precision of fft, which is plural list and interpolating windowed split - radix fft ( srfft ). the simulating result shows that the algorithm can meet precision of harmonic parameters

    為了提高fft的精度，本文在分析目前國內外各種諧波分析及測量方法利弊的基礎上，提出了利用復序列加窗插值分裂基快速傅立葉變換（ srfft ） 。該演算法能極大地提高fft計算的精度，從而滿足諧波測量中對諧波參數的精度要求。
  6. In order to calculate the harmonic power flow, the parameter model of the elements and loads in power system must be achieved

    進行諧波潮流計算必須得出電力系統元件及負荷等的諧波參數模型。
  7. Calibrating methods of sonic parameter measuring apparatus

    巖石聲波參數測試儀校驗方法
  8. The 3 - probe array is used to separate the incoming and reflecting waves and to adjust the wave generating signal, so this technique can effectively absorb the wave components reflected by a test structure and thus prevent them from being re - reflected back towards the wave paddle

    該法在造波板前1 2倍波長處布置3個傳感器，通過入反射波分離方法得到準確的入反射波參數，以此調整造波信號，有效地吸收由建築物反射回到造波板的二次反射波。
  9. The algorithm and related influencing factors, such as gravitational model, atmospheric drag, sample intervals and filter parameters, are deeply analyzed, and some important conclusions are deduced

    對定軌演算法及其主要影響因素，如地球引力場、大氣阻力、采樣間隔和濾波參數等進行了深入分析，並得出一些重要結論。
  10. For the selection of filter parameters, we have introduced the constant relative bandwidth, the display - equalized filter, optimal filtering and linear time resolution, among these the linear time resolution is a new method set up by this paper

    對濾波參數的選擇，詳細介紹了常相對帶寬、均等顯示濾波、線性時間分辨、最佳濾波等，其中線性時間分辨是本文首次提出的新方法。
  11. In the software design, a digital filter is used to filter signals, and the filter ' s parameters are digital dynamic adjustable. the value of the input signals " frequency and voltage can be obtained after digital signal processing

    在軟體方面與硬體電路相一致，採用了數字濾波器實現信號濾波，實現了濾波參數的數字式動態可調，輸入信號的頻率值和電平值由dsp經過數字信號處理計算得到。
  12. With process data of blast furnace no. 1 in tianjin iron plant, the parameters, ru and sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively

    以可預測率、預測命中率、趨勢預測命中率及平均誤差平方和為評價標準，確定了各影響因素的警戒參數ru和濾波參數sita的優化值范圍。
  13. It consists of the coordinates setup and transform of the phased array radar, some filter parameters " design for low - altitude target, evim technique used in the low - altitude radar target tracking, the strategy for low - altitude radar target tracking, etc

    包括相控陣雷達坐標系的建立與轉換；低空目標跟蹤有關濾波參數的考慮； imm技術在低空目標濾波中的應用；相控陣雷達的低空目標跟蹤策略等。
  14. We discussed common methods of digital deconvolution and analyzed effects of noise on it. then, we simulated digital deconvolution filters and optimization criteria of filtration parameters. after that, we gave the application of them in the frequency band extension technique

    首先，介紹了數字反卷積的常用方法及噪聲對數字反卷積的影響；然後，研究了常用的數字反卷積濾波器及濾波參數的優化準則；最後，給出了數字反卷積在頻帶展寬技術中的應用。
  15. The sampling technology is also being explored which including lowpass sampling, quadrature sampling and direct passband sampling and the setting of a / d, sampling rate, data acquisition and selecting filtering parameters. the implementation of each technique is also being discussed

    分別對低通采樣、正交帶通采樣和直接帶通采樣技術中有關a d在系統中的位置、采樣率的確定、信息獲取和濾波參數選取等問題進行系統論述，並討論了各自的技術實現問題。
  16. The calculation of ultrasonic echo parameter by gauss - newton iterative method

    超聲回波參數的高斯與牛頓迭代法計算
  17. So power systems harmonic analysis is a significant aspect of power systems research. power system harmonic analysis was realized usually with fast fourier transform ( fft ), but the method exits spectrum leakage, and can not analyse all harmonic parameters exactly, such as frequency, amplitude and phase, in particular has big phase error

    電力系統諧波分析通常都是通過快速傅立葉變換（ fft ）實現的，但是這種方法存在柵欄效應和頻譜泄漏，使計算出的諧波參數即頻率、幅值和相位不準，尤其是相位誤差很大，無法滿足準確的諧波測量要求。
  18. Amendment of shock wave parameters of underwater explosion

    炸藥水下爆炸沖擊波參數的修正
  19. In this paper, we design the imc controller using zero - pole cancellation method, and tune the controller filter parameter a according to the error e and its first difference a e and acquire the best combination between robust performance and the response speed. the error e is the difference between the reference model output and system output

    本文採用相消法設計內模控制器，用參考模型理想輸出和實際對象輸出之差e及其變化率e在線模糊調節控制器中濾波參數，使系統的性能達到快速性和魯棒性的最佳結合。
  20. At the lowest level, all computer communication involves encoding data in a form of energy, and sending the energy across a transmission medium

    傳輸的信號分為離散和連續兩類，可以利用電流（電壓）或電磁波參數（如振幅、頻率、相位）等物理信號的變化與檢測達到通信目的。
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