速度諧振 的英文怎麼說
中文拼音 [sùdùxiézhèn]
速度諧振
英文
velocity resonance- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 諧 : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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The magnetic field requirement of the sth harmonic gyroklystrons over cyclotron resonance masers ( crms ) would be reduced by a factor of s relative to operate on the fundamental cyclotron frequency, so that the amplifier could be applied to highly mobile millimeter wave radar systems
基於電子迴旋諧振脈塞原理工作的諧波迴旋速調放大器的工作磁場強度是基波的1 / s ( s是諧波數) ,因而能適用於機動性較高的軍用毫米波雷達系統。When the axial speed varies harmonically about a constant mean one, the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance
當軸向運動速度在其常平均值附近作簡諧波動時,應用多尺度法給出軸向變速運動梁參數共振時的不穩定條件。A study on the proposed scanlan linearity has discovered that if the self - excited loads and movement of the model and velocity constitute a linear relationship, and the model vibration accounts for a sine function of the frequency, the rate of the high - order harmonic waves should be quite small
考查了scanlan的線性假定:如果自激力與模型運動的位移、速度成線性關系,模型振動是某一頻率的正弦函數,那麼相應的自激力也應是這一頻率的正弦函數,高次諧波的分量應極小。With the high accurate transfer function it is possible to design frequency characteristic compensator to eliminate the mechanic resonance frequency characteristic of the control object. the fast steering mirror system closed bandwidth is no longer restricted by the mechanic resonance frequency and the closed bandwidth is expanded effectively
在獲得對象的高精度傳遞函數以後,使用零極點對消的方法補償系統的機械諧振,有效地擴展了快速控制反射鏡系統的帶寬,使快速控制反射鏡系統的閉環帶寬不再受制於系統的開環諧振頻率。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro and ring laser gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass
光纖陀螺是一種先進的感測載體自轉角速度的測量儀,它利用固態的全光纖結構實現光學sagnac效應的量測,克服了機電陀螺及環形激光陀螺在構造上或因需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass, and the laser gyro ' s fabrication technology complication and high cost caused by the rigid requirement of optical circuit resonation
光纖陀螺是一種先進的測量載體絕對角速度的儀表,它利用固態的全光纖結構和sagnac效應來實現測量,克服了機電陀螺在構造上需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或者環形激光陀螺因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well
對產生946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光器的提供了理論基礎,這種分析方法對研究此類低增益,準三能級或三能級激光系統輸出特性有借鑒意義。The design testing piezoelectric material surface acoustic during the experiment process in the paper has several merits : convenience, efficiency, no loss, fastness. and they can be realized. the design applies material piezoelectric response and anti - piezoelectric response to stimulus and receive saw, and apply the method of testing resonator frequency to calculate saw tested speed, simultaneously contrast the actual test result about different material to typical value in the paper
在本論文的研究實驗過程中,給出了一種方便、有效、無損、快捷的檢測壓電材料表面聲速的設計與實現,該設計中運用材料的壓電效應和逆壓電效應激勵和接收saw ,並運用檢測諧振頻率的方法計算測量saw速度,同時給出了對不同材料的實際測試結果以及與資料典型值的對比。Because of its own feature of the structure, ellipsoidal cavity has coupling microwave generated from one of the ellipsoidal center, and plasmas generated from the other ellipsoidal centre, so the plasmas is very centralize, so we can enlarge the area of disposition
橢球諧振腔因其結構的特點,可以滿足大功率的需求,並且耦合微波從橢球的一個球心發出,在橢球的另一個球心產生等離子體,等離子體比較集中,而且沉積速度快,適合大面積的沉積。In the actuation, the feeling measure and the balance compensation, the gyroscope used the electric capacity with the high sensitivity, the low energy consumption, and combined with the high quality factor characteristic of the resonance main body, which enable its system to have the quite outstanding performance : the vibration gyroscopes were generally used to measure the rotation rate, but because of axial symmetry factor, the axial symmetry vibrating - shell gyroscope can be used to measure not only the rotation rate but also the rotation angle, moreover do not bring the accumulation error as a result of the integral
該陀螺在驅動、感測與平衡補償上採用具有高靈敏度、低能量消耗的電容,並結合諧振體高品質的特性,有相當優異的表現:振動式陀螺儀一般都是用來感測轉速,而軸對稱殼式陀螺儀由於軸對稱的因素,不僅可以用來感測轉速,而且可以感測物體的轉角,並且避免了由於積分而帶來的積累誤差。A damped harmonic oscillator without a driving force was studied using canonical tramsformation ; an exact wavefunction and energy level for the damped harmonic oscillator has been obtained
摘要對于無外界驅動力且阻力與速度成正比的阻尼諧振子,通過正則變換,得出了阻尼諧振子的嚴格波函數及其相應能級。It is shown by the two - stories frame model shake - table test that the contrast two response of acceleration based on wavelet and experiment draws on such conclusion : littlewood - paley wavelet does not agree with the test, so it is not suitable for structural seismic response, because structural acceleration response is too small. the wavelet transform result of acceleration response based on meyer wavelet, harmonic wavelet and odd exponent wavelet agree with the test, thus they can be used to analyze structural seismic response. the analysis of earthquake ground motion energy and structural energy response based on these three wavelets ( littlewood - paley wavelet, meyer wavelet, harmonic wavelet ) shows that we can calculate earthquake ground motion energy by the record of acceleration, because the wavelet coefficient includes time - domain energy and frequency - domain energy
通過對二層框架模型進行振動臺試驗研究說明:從小波變換得到的加速度反應和模型上的第一層及第二層的試驗測得的加速度比較得出的結論是, littlewood ? paley小波不適合於用來作結構地震反應分析,因為在此小波下的結構加速度反應太小,和實驗情況不符; meyer小波、諧波小波、單邊指數小波這三種小波從理論上得到的加速度反應同實驗測得的加速度過程比較吻合,因此從試驗上證明用meyer小波、諧波小波和單邊指數小波來作結構地震反應分析是比較合適的。Resonant devices are used to measure strain, stress, acceleration, pressure, mass, flow, etc. by detecting the change of the resonant frequency or amplitude of the resonant components
諧振器件通過檢測振動元件的諧振頻率或振幅的變化來測量應變、應力、加速度、壓力、質量變化以及流量等,廣泛應用於力學量傳感器中。Through analysis the reasons influencing measuring stability have been found out, which are the flexure strain and structure resonance produced by the transmission axle under the function of the gearing - in force of the reduction gear
雖然與傳統的測量方法一致,但經過理論分析,得出了這種測量方式機械結構影響測量穩定性的原因,即傳動軸受減速器齒輪嚙合力作用?生的彎曲應變和結構諧振對測量精度影響最大。Acceleration feedback control for resisting vibration of new harmonic drive parallel robot
諧波驅動並聯機器人的加速度反饋抑振控制The other is the resonance of boom system of the truck - mounted concrete pump and the frequency response of displacement and acceleration of testing point. the main results and argumentations of this thesis are listed below in detail. 1. based on the certain boom system model of the truck - mounted concrete pump made in china, three - dimensional model of boom system of the truck - mounted concrete pump is built by using the softwar of pro / engineer
2 .基於剛柔混合柔臂架模型,利用adams的振動模塊,以混凝土流動時的沖擊力為激勵對臂架系統進行了諧響應振動研究,得到臂架振動響應的幅頻曲線,並對結果曲線進行了分析,在此基礎之上,研究了油缸阻尼對臂架末端振動位移和振動加速度的影響。The couplers of accelerator structures are important components of electron knear. the efficient delivery of power from rf sources to accelerator structures depends crucially on the coupler cavity. the input coupler cavity is to be well matched, that is to say, it must have proper coupiing. and it must be tuned to the synchronous frequency. in this way, we can obtain the maximum power. in the past, the decision of the coupler cavity dimensions is very difficult
加速結構的輸入耦合腔是電子直線加速器的重要組成部分。功率從功率源輸送到加速管中,就依賴于輸入耦合腔。輸入耦合腔在整個結構中必須有良好的匹配即有恰當的耦合度,還必須工作在諧振頻率。In the case of white noise, we research the system stochastic differential equation and fokker - planck ( fpk ) equation detailedly. the mechanism of sr is re - explained by system response speed and a new method is introduced, i. e., psr theory and method. it is shown that the output signal - to - noise ratio ( snr ) obtained by adjusting systems parameters can exceed that by turning noise intensity, especially when the input noise intensity has already been beyond the resonance region or point
在白噪聲假設下,以系統隨機微分方程和其概率密度滿足的fpk方程為基礎,本文詳細地探討了非線性雙穩態信號處理系統輸出的數字特徵,引入了系統響應速度,重新解釋了隨機共振現象產生的機理;通過系統參數調節,而不是調諧噪聲來產生隨機共振現象,提出了參數調節隨機共振理論和方法。Experiments have demonstrated that, under the condition of constant temperature ( 20 ), the frequency error of double - frequency laser interferometer with two longitudinal modes could be controlled within 10 " 9 even with conditions such as with cool or hot air blowing, it can still be kept within 10 " 7. self - organised fuzzy control methods can be realised in a single - chip processor which contains fuzzy optimisation and self - organisation functions. the above - mentioned system possesses the following advantages : simple
/ znl (式中c為光速, l為諧振腔長, n為空氣折射率,其值約790mhz ) ,原理上對目前可能要求的測量速度都能滿足;它發出的光為一對互相垂直的線偏振光,與塞曼型雙頻激光干涉儀相比,它不用外加軸向磁場及1 / 4波片,因此結構簡單,造價低廉。Saw transmission speed is one of the most important indexes in all characteristic parameters about piezoelectric wafer, directly deciding resonator frequency of the device. therefore, knowing about saw transmission speed and it ' s consistency in batches of saw producing looks like very vital
在壓電基片的各項性能中, saw的傳播速度是最重要的指標之一,它直接決定了器件的諧振頻率,所以在saw器件的批量生產中了解基片聲表面傳播速度及其一致性顯得非常重要。分享友人