脈沖力 的英文怎麼說
中文拼音 [màichōnglì]
脈沖力
英文
impulsive force-
The pulse pneumatic conveying system has been a important transporting method for grain material, because of lower velocity, higher ratio of blend and a littler gas, as well as shattering less materiel, abrasing pipeline and easy recovery
脈沖氣力輸送裝置以其低速、高混合比、低耗氣量等一系列持點,並由此帶來的被輸送物料破碎少、管道磨損小、產生粉塵少並且易於回收等優點,成為新一代粉粒料氣力輸送設備,並且被廣泛使用。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。But there has been not correspondingly control system for it by far. ln this thesis a pulse nitrogenous conveying control system based on profibus is designed and achieved on the thinking of modularizing the pulse nitrogenous conveying system, which can be used for different the pulse nitrogenous conveying system and added new control cells. the thesis reviewed systematically the pulse nitrogenous conveying system in practical, and makes the understanding that the system is composed of standard gas storage cell, conveying equipment cell and target container ceil. then a common modularized control system project is designed and achieved by structurized programming orienting process, which consists of four control models, respectively for gas storage cell, for conveying equipment cell and for target container cell
本文綜合實際使用的氮保護脈沖氣力輸送系統,把氮保護脈沖氣力輸送系統分為標準化的氣源設備單元、發送設備單元和目的料倉設備單元,在此基礎上,設計了用於氮保護脈沖氣力輸送系統的通用模塊化控制方案,採用面向過程的結構化編程思想,基於profibus現場總線,實現了組成該方案的四類控制模塊:氣源單元控制模塊、發送單元控制模塊、目的料倉單元控制模塊和通訊處理控制模塊。A interception probability reduction theory by means of comparing the rppm with constant pri pulse sequence is also analysised in this paper, further more the strong properties of eccm of the rppm is discussed and analysised
此外,本文還介紹了隨機脈位調制信號比較于等重復周期( pri )脈沖信號來降低信號被截獲概率的原理,討論並分析了隨機脈位調制脈沖多普勒雷達較強的抗干擾能力。But its accuracy of detecting is low in application. in this paper we try to find a method based on artificial neural network to improve the accuracy of detecting faulty insulators
本文力圖通過大量的實驗室和現場數據的分析,發展一種基於人工神經網路的不良絕緣子診斷方法,提高脈沖電流法用於檢測不良絕緣子的準確性。Impulse heavy current technology, as one of the important researches of pulse power techniques, is also widely applied to technology of high - temperature plasma, strong magnetic field, mechanics effects and so on
沖擊大電流技術是脈沖功率技術的重要研究內容之一,廣泛的用於高溫等離子體、強磁場、力學效應等研究領域。The dynamic sif variation was found to lag behind the stress-pulse impingement by several microseconds.
人們發現,動態應力強度因子的變化滯後於應力脈沖沖擊幾微秒。Are pulsations in pressure and quantity permissible
是否允許有壓力和數量有脈沖People who think in a negative way are bound to receive thought - impulses radiated by dark powers, especially by saurians, and in this way people ' s bad thoughts become even worse
以負面方式思想的人們一定會接收到由黑暗力量發出的思維脈沖,尤其是蜥蜴類發出的,而以這種方式人們不好的思想變得更為惡劣。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。The impulse is dependent upon the duration of the shock wave as well as its pressure.
脈沖的大小又取決于沖擊波的延續時間及其壓力。Supernovae remnants can leave behind pulsars or spinning neutron stars that may produce gravitational waves
超新星遺跡中可能還存留有脈沖星或自旋中子星,而這些都會產生引力波。This idea rooted in the supposal that combustion pressure is a pulse force and the characters that wavform parameters are sensitive to pulse
這思路來源於將柴油機作功沖程的爆發力近似看成一個脈沖激勵的假設,以及波形參數對脈沖激勵敏感的特點。And gave priority to the eular - bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on. during the analysis of the chanmical results of the pipelines, the randomicity of the output of the pipelines response was taken into accout. so the stochastic process method was applied to describe the probability characters of the pipelines response, which made the results truer, more veracious
本文採用eular - bernonulli梁模型和tomosimko梁模型對動力下kelvin粘彈性地基中管道固有振動性狀進行了分析,提出了各力學結果描述的解析式;並以eular - bernonulli梁模型為主,基於脈沖函數、振型迭加法等對管道在動力交通荷載作用下的管道響應問題提出簡單便捷的解析演算法;在管道受力結果的分析中,考慮管道響應輸出的隨機性,將管道響應用隨機過程來描述其概率特徵,使得結果描述更加真實準確。It can process dead - zone of two pulse signals accurately, whatever their types are, and has such characteristics as excellent performance, good flexibility and high reliability, and its switching frequency and dead - zone time are programmable
它可以對兩路任意形式的脈沖信號進行精確的死區處理,且性能優異、靈活性和可靠性高。同時,它具有開關頻率和死區時間可編程等特點,因此,可通用在變頻器、 svg等其他電力電子設備。Thus, according to the maximum dispersion distance and the allowable miss distance given, the magnitude and class numbers of impulse control force is selected
根據最大散布誤差和最大脫靶量指標選擇脈沖控制力大小,並對脈沖發動機分級。Based on the doppler effect and pulse coherence technique, synthetic aperture radar ( sar ) breaks through the azimuth resolution limitation imposed by real aperture antenna. in combination with the pulse compression technique, two - dimensional high resolution imagery to distant targets can be realized
合成孔徑雷達( sar )利用以多普勒頻移理論和脈沖相參為基礎的合成孔徑技術,突破了實孔徑天線對方位向分辨力的限制,與脈沖壓縮技術相結合,實現了遠距離目標的二維高分辨成像。Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le
對于不同工質的冷藏集裝箱製冷系統,電子膨脹閥應該根據具體製冷劑的熱力性質選取;電子膨脹閥流量系數對孔徑和脈沖數比較敏感;在結構固定時,流量系數隨蒸發溫度的降低而升高,隨冷凝溫度的增加而增大,受過冷度變化的影響較小;電子膨脹閥的容量受孔徑影響最大。Combined with the characteristic of the force producers and the different type of the feedback force, it analyzed the magnetoelectric analog force feedback and the magnetoelectric digital pulse force feedback closed - loop plans
在此基礎上,結合力矩發生器結構特點以及閉環反饋力類型,詳細分析了磁電式模擬力反饋閉環方案,磁電式脈沖力反饋閉環方案。Abstract : in this paper, the method of the impulse torques control is established for vertical planar two - link flexible manipulators on the basis of rigid manipulators control. the variables of two - link manipulators are restrained when the tip trajectory of manipulator is being tracked with this method. finally, the results of numerical emulation and experiment are shown in the paper
文摘:在剛性雙連桿機械臂控制方案的基礎上,提出了柔性雙連桿機械臂的軌跡跟蹤和振動抑制的脈沖力矩控制方案,針對豎直平面雙連桿柔性機械臂進行了數值模擬和實驗研究。分享友人