靜止頻率 的英文怎麼說

中文拼音 [jìngzhǐbīn]
靜止頻率 英文
rest frequency
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1. (停止; 攔阻) stop; cut out 2. (截止) close; end Ⅱ副詞(僅; 只) only; just Ⅲ名詞(姓氏) a surname
  • : 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...
  • : 率名詞(比值) rate; ratio; proportion
  • 靜止 : static; motionless; at a standstill
  • 頻率 : frequency; rate
  1. The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish ’ s speed ; the curve experiment has obtained curve radius of inertia advance curve and static curve ; the ups and downs experiment proves that the pectoral fin on different angle influences the fish to move ups and downs

    加減速試驗論證了尾鰭擺動、尾鰭后緣最大擺幅以及尾鰭的最大擊水角度對魚體速度的影響;轉彎試驗測得了機器魚慣性前進轉彎和轉彎時的轉彎半徑;在機器魚的升潛試驗中論證了胸鰭不同轉角對升潛運動的影響。
  2. The big dipper colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠體磨工作原理充分動磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個使物料通過齒形斜面之間的物料受到極大的剪切力和摩擦力,同時又在高震動和高速旋渦等復雜力的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌等功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效
  3. Seven stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠體磨工作原理充分動磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個使物料通過齒形斜面之間的物料受到極大的剪切力和摩擦力,同時又在高震動和高速旋渦等復雜力的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌、混合等多種功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效
  4. ( 2 ) the metabolic rate in m. macropterus was higher than that in either s. meridionalis or s. asotus could be understood on the different ecological habits among them. for example, the level of spontaneous activity in m. macropterus was higher

    P )大鰭鰭的代謝高於南方貼和穌魚的代謝是因其生態習性不同:一)大鰭鰭的自發活動的行為比其他兩種魚更為繁,因而所測其代謝水平較高。
  5. The influence of msfvw bandwidth on the diffraction efficiency is also considered. for the nonuniform bias magnetic field of u - type parabola profile, when the msw frequency is less than the cut - off frequency at the edge of mo film, the effective mo interaction length reduces. the edge cut - off frequency is determined by the maximum of the nonuniform field

    對于拋物型分佈(開口向上)的偏置磁場,當激發磁波的rf小於邊緣截時,磁光作用的有效長度減小(與磁波有關) ;邊緣截由不均勻磁場的最大值決定,磁波的下限截由不均勻場的最小值確定。
  6. ( 5 ) designed the synthetic jet actuators and the testing system. experimented it in quiescent air, and analyzed the actuator ' s influence factors, such as voltage magnitude and frequency. the results agreed with the conclusions that made from theory analysis and numerical simulation

    ( 5 )基於設計的合成射流激勵器及測試系統,在大氣環境進行了初步原理性實驗,並對激勵電源電壓幅值和對合成射流的影響進行了分析,實驗結果與理論分析及數值模擬結果相吻合。
  7. Equipped with high speed and high power electric spindle powered by static frequency convertor, featuring low energy consumption and low noise

    採用高速大功電動砂輪軸,由器供電,能耗低,噪聲小。
  8. Based on the analysis of image wavelet transformation and the space / frequency distributing characteristics of different subbands " coefficients, this dissertation fully exploits the following theories and methods : scalar quantization, vector quantization, trellis coded quantization, trellis coded vector quantization, vector classification, codebook expansion and weighted mean square error rule basing mankind visual characteristics, etc. from different angles of information amalgamation, it develops several innovative algorithms of image compression and coding, gives their realization schemes, and makes plentiful simulation tests

    本文在分析了圖像小波變換的原理和子帶系數空間及分佈特點的基礎上,充分利用標量量化、矢量量化、網格編碼量化、網格編碼矢量量化、矢量分類、碼書擴展和基於人眼視覺特性的加權均方誤差準則等思想和方法,從信息融合的不同角度展開了對小波圖像的壓縮編碼研究,同時也討論了這些方法在圖像量化中的具體應用。
  9. Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    文摘:提出壓電諧振濾波器不能很好地濾除高諧波的問題,結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振,從而不能有效濾除一些特定的干擾信號.為了解決這個問題,提出一種改進型的電激勵諧振濾波器.為了說明其可行性,具體分析了改進型雙端固支微梁電激勵諧振濾波器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種諧振濾波器可以有效阻濾波器中心的高諧波的通過
  10. Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    提出壓電諧振濾波器不能很好地濾除高諧波的問題,結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振,從而不能有效濾除一些特定的干擾信號.為了解決這個問題,提出一種改進型的電激勵諧振濾波器.為了說明其可行性,具體分析了改進型雙端固支微梁電激勵諧振濾波器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種諧振濾波器可以有效阻濾波器中心的高諧波的通過
  11. In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed

    第五章:提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路,能較好地穩定電路的態工作點,並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截可連續調節的高性能r - mosfet - c 、運放結構切比雪夫( chebyshev )和精確群時延值貝塞爾( bessel )低通濾波器。
  12. Aimed to acquire high efficiency and realize high frequency of the converter, this paper takes the forepart of the aeronautical static inverter ( asi ) - dc / dc converter as research object. push - pull forward converter ( ppfc ), which adapts to be applied in low voltage, high current input power field, is proposed and studied in this paper based on comprehend to main characters of asi and references to the development of the vrm

    本文以航空變流器中dc dc ? dc ac結構的前級為主要研究對象,針對效和高化問題,在充分考慮航空變流器前級dc dc特點的基礎上,借鑒國外vrm技術的發展歷程,選擇了適合於低壓大電流場合下工作的推挽正激電路( ppfc ) ,作為基本電路拓撲,進行了一些理論與實驗的研究工作。
  13. Each module is controlled by voltage - current two closed - loops. the common voltage loop controls system output voltage & frequency, and generates a common reference current signal

    每臺航空變流器模塊均為電壓、電流雙環控制,通過公用電壓調節器穩定並聯系統的輸出電壓及,同時產生統一的模塊電流給定信號。
  14. As for the dynamic performance, the linear variable differential transformer ( lvdt ) displacement sensor using signal conditioner ad598 is not so good, so the differential rectifier is designed as the measuring circuit of the sensor so as to increase its cross - over frequency. also, the static test and dynamic test is made for the sensor along with the lvdt

    由於使用線性差動變壓器信號處理晶元ad598為測量電路的差動變壓器式傳感器的動態性能不夠理想,本文設計製作了差動整流電路作為差動變壓器式傳感器的測量電路以提高傳感器的截,並對差動變壓器式傳感器進行態和動態標定。
  15. ( 4 ) designed an image authentication method of semi - fragile watermarking technique based on dwt. we transform the image into wavelet domain and group the four adjacent wavelet coefficients

    ( 4 )由於小波變換具有良好的空間?局部特性以及與人眼視覺特性相符的變換機制,在新一代圖像壓縮標準( jpeg2000 )和運動圖像壓縮標準mpeg - 4中占據了重要位置。
  16. Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi

    設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙向電壓源高環節逆變器原理試驗表明,這類逆變器具有高電氣隔離、電路拓撲簡潔、兩級功變換( lfac / hfac / lfac ) 、功密度高、雙向功流、音噪音低、變換效高、網側功因數高等優點,為新一代高功密度、高變換效、低成本航空變流器奠定了關鍵技術基礎。
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