脈沖法 的英文怎麼說
中文拼音 [màichōngfǎ]
脈沖法
英文
impulse method-
Super - hard amorphous carbon films were deposited on such substrates as single - crystalline silicon and k9 glass by pulse laser ablating graphite target
本文研究用脈沖激光燒蝕石墨靶方法在單晶硅、 k9玻璃等襯底上生長超硬非晶碳膜。In the dissertation ' s chapter 3 to chapter 5, the mechanical and physical performances of the engineering plastics are analyzed, the failure mode and the designing computing methods of engineering plastics member suffering the static load, dynamic load, impact load, pulse load, are studied. by the practice application and ball firing experiment of the engineering plastics key piece in the weapons, the precious experiences, for engineering plastics application and confirmation of the material performances guideline in the weapons, are obtained
論文的第三章至第五章，分析了工程塑料物理機械性能，研究了受靜載荷、動載荷、沖擊載荷及脈沖載荷下工程塑料構件的失效模式和設計計算方法，通過工程塑料在槍械關鍵受力結構件上的實際應用和實彈射擊試驗，取得了寶貴的經驗，為高性能工程塑料在槍械上的應用和材料性能指標的確定奠定了基礎。By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw
同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used
通過對差頻信號進行的分析，得出了差頻相位的具體表達式，表現出了要檢測的各量的物理意義，對檢測的方法提供了理論依據。利用二維fft方法，可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題，採取時間波門的處理方法。A diagnostic method of adhesive quality of burnable powder bucket
可燃藥筒粘結質量聲脈沖診斷方法The results show that the measurement result is in concordance with the result of calculation by theory on powder - pulse - booster impulse
研究結果表明：單擺試驗測量火藥脈沖助推器沖量結果與理論計算結果基本一致，證明了此實驗方法的正確性。Standard test method for thermal diffusivity of carbon and graphite by thermal pulse method
用熱脈沖法測定炭和石墨的熱擴散系數的標準試驗方法Point heat pulse method for measuring thermal properties of bio - fluids
點熱源熱脈沖法測算生物流體的熱物性參數The application of staggered pulse in measuring velocity of water
用交錯脈沖法測量分層水速Test methods for communication cable - impedance and impedance irregularities test of coaxial pair - pulse method
通信電纜試驗方法同軸對端阻抗及內部阻抗不均勻性試驗脈沖法Optical fibre amplifiers - basic specification - multichannel parameters - pulse method using a gated optical spectrum analyzer
光學纖維放大器.基礎規范.多道參數.選通光頻譜分析儀脈沖法Optical amplifiers - test methods - part 10 - 2 : multichannel parameters ; pulse method using a gated optical spectrum analyzer
光學放大器.試驗方法.第10 - 2部分:多道參數.選通光頻譜分析儀脈沖法Optical amplifiers - test methods - part 10 - 2 : multichannel parameters - pulse method using a gated optical spectrum analyzer
光學放大器.試驗方法.第10 - 2部分:多通道參數.使用選通光頻譜分析儀的脈沖法Testing of carbon materials ; determination of thermal diffusity at high temperatures by the laser pulse method ; solid materials
炭素材料的試驗.高溫下用激光脈沖法測定熱擴散率.固Optical fibre amplifiers - basic specification - multichannel parameters - pulse method using an optical switch and optical spectrum analyzer
光學纖維放大器.基礎規范.多道參數.使用光學開關和光譜分析儀的脈沖法Optical amplifiers - test methods - part 10 - 1 : multichannel parameters ; pulse method using an optical switch and optical spectrum analyzer
光學放大器.試驗方法.第10 - 1部分:多道參數.使用光學開關和光譜分析儀的脈沖法The optimized parameters of high - frequency in bacillus thuringiensis plasmid - free mutant bmb171 by electroporation was studied. it showed that a highest electro - transformation frequency could be obtained, when sg solution was used as the buffer, and a 10. 0 kv / cm of field strength, one time of pulse as well as a growth phase of recipient cells at the exponential phase ( od650nm value was 0. 2 - 0. 3 ) were selected
對用電脈沖法轉化蘇雲金芽胞桿菌受體菌bmb171優化條件的研究結果表明，採用sg溶液作電脈沖緩沖液，用10 . 0kv cm的脈沖場強和1次電脈沖（ 4 . 6ms ） ，以及採用對數前期（ od _ （ 650 ）約0 . 2 0 . 3 ）收獲的受體菌，可以達到最高轉化頻率。Three characteristic features, such as average velocity of sound, deviation coefficient of sound velocity, and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity, amplitude, frequency and waveform in this paper. fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc, aerated concrete, hollow brick, solid brick and concrete block. the accuracy of this system is up to 95 % in field tests
由超聲脈沖法獲得4種檢測信息聲速、波幅、頻率和波形，從中提取3個特徵量：平均聲速、聲速的離差系數和波幅的離差系數，利用模糊分析方法和人工神經網路相結合對grc 、加氣混凝土、空心磚、實心磚、砌塊5種墻體材料進行種類識別，形成一個智能化的、具有類似人腦功能的系統.經現場實測證明，判別的準確率達95 %以上。In chapter 2, the advantages and disadvantages of the two ranging waveforms, namely, classical pulsed waveform and fmcw waveform, are compared in terms of the target distance
文中首先根據目標距離對比了脈沖法和fmcw兩種測距方法的優劣，然後選擇無測距盲區的fmcw作為發射信號。This paper introduces some traditional and modern methods for the diagnosis of rolling bearings ' faults, which include the shock pulse method, the demodulated resonance method and the wavelet analysis method, etc., and forecasts the developing trends of the diagnosis of rolling bearings ' faults
介紹了滾動軸承故障診斷的傳統方法和現代方法，如沖擊脈沖法、共振調解法、小波分析法等，預測了滾動軸承故障診斷的發展趨勢。分享友人