相頻響應 的英文怎麼說

中文拼音 [xiāngbīnxiǎngyīng]
相頻響應 英文
phase-frequency response
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 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...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  1. A building of high, the breadth, long comparison is very important. house for combination in an ideal of big set, reruns hour then contain the best frequency to respond to the width. frequency response range in other words, the combination can broadcast tallest to can also fully develop to the lowest frequency, and the equilibrium degree is as well high, and halt a circumstance is very tiny. the first glint wave primary reflection mutual interference for with wave secondary reflection of many glints the degree is not to result in confusion. combination that fundermental the diapason wave harmonics is again perfect

    大套組合在一間理想的房子里,重播時便有最佳的寬度frequency response range 。換句話說,組合所能播放的最高至最低率也可以盡情發揮,平衡度亦高,駐波情況極微。第一反射音波primary reflection和多次反射音波secondary reflection的互干擾情度不至造成混亂。
  2. According to inhere frequency. 1 design the tmd and it " s parameter and fix it. calculate the result of this status under the wind power

    、根據橋機的固有率設計tmd和其參數。根據橋機的結構,安裝tmd並計算安裝tmd后在的風載下橋機的
  3. In the process of solving, poles are obtained from recurrent formula, modal vector are obtained from superposition formula not residuary. decoupled equation is derived when vibration source is part correlation, severely coupling appears in the process of input and output then frequency response function cannot directly get according to method mentioned above, decoupling is first problem

    當輸入完全關時,函數無解,可繞過函數,直接運用線性系統的迭加原理來求,極點由遞歸公式得出,模態矢量由疊加公式求出,而不是由留數求得的的公式。
  4. Based on the character of ultrasonic spectrum analysis, considering the affection of the circuit responsion of checking system, coupling state, position of checking transducer, this thesis established reasonable ultrasonic spectrum analysis method. using this method, several kinds of linear spectrum ( such as phase amplitude spectrum, phase power spectrum ) were researched and discussed

    本文根據超聲波譜分析的特點,綜合考慮了檢測電路、耦合狀況、探頭位置等因素的影,制定出了一套合理的超聲波譜分析方法,並用此方法對幾種線性譜(如位幅度譜、位功率譜等)進行了研究和探討。
  5. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來,計算分析了成層地基中單樁的橫向地震,得到了以下結論: 1 )上部結構慣性力對樁的橫向地震的影不可忽略; 2 )成層地基中的單樁的橫向地震主要受地震基本加速度、場地特徵周期、上部結構質量的影,隨地震基本加速度、上部結構質量的增大而增大;場地特徵率越接近樁基自振率,樁基地震越大,等於自振率時,由於發生共振現象,樁基幅值最大; 3 )樁土剛度比越大,樁土之間的對位移的幅值越大; 4 )樁頂固接的連接方式,可以有效地降低地震時單樁的橫向地震
  6. The structure of the network collaborative design is put forward. the theory of the synchronal application sharing, the technique of multi - media exchanges, the technique of instant communication, the technique of whiteboard and the technique of the management of the network collaborative design are inquired. facing some problem which exsit in the current research, such as, the method of the synchronal application sharing, how to increase the speed of the respondence of the application sharing and how to deal with the video and audio data in the multi - media exchanges, some preferable solutions are put forward

    本文綜述了網路化協同設計技術的國內外研究現狀,從研究網路化協同設計系統的體系結構入手,分析討論了網路化協同設計系統中的同步協同用共享的原理和實現方法、多媒體交流技術、即時通訊技術、共享白板技術和協同設計系統的管理技術等網路化協同設計技術中的關鍵技術,並針對目前這些關鍵技術的研究中存在的一些問題, (如同步協同共享中用共享的實現方法,如何提高用共享的速度,多媒體交流中的視和音數據的處理,協同設計系統的管理等)提出了一些對較優的解決方案。
  7. Dynamic characteristic of the fan system was tested in this paper. the time constants of acceleration and deceleration was gotten and bode diagram of frequency response was presented. the results show that the frequency response of the system is satisfying in the range up to 0. 2 hz

    本文對風機系統的動態特性進行了測試,得到了它的加減速時間,並通過譜分析法得到了系統的幅相頻響應曲線( bode圖) ,結果表明系統在低於0 . 2赫茲范圍有較好的特性。
  8. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多表示、內插器的多表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、直接數字率合成( dds ) 、 cordic演算法。
  9. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括:數字濾波、時域加窗、自關與互關處理、均值和方差計算、概率密度和概率分佈函數計算;在快速傅立葉變換( fft )基礎上計算自功率譜、互功率譜、函數、干函數、倒譜分析;基於短時傅立葉變換( stft )的聯合時分析等。
  10. The vibration of upper structure of bridge which caused by the dynamic action of vehicle pass the railway bridge may make the structural component fatigue and decrease the intensity and stability. the more vibration of bridge will influence the safety and stability of vehicles ; when the dynamic changing frequency of vehicle equal or approach to the free vibrational frequency of bridge, wh ich will make the resonance may intensify the response of bridge and vehicles

    列車動力作用引起橋樑上部結構的振動可能使結構構件產生疲勞,降低其強度和穩定性;橋梁振動過大可能會對橋上車輛的運行安全和穩定性產生影;當列車的動力變化率與橋跨結構自振等或接近時,引起的共振可能會使車橋動力加劇。
  11. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在流變學原理的基礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土泵的負載特性方程;然後根據功率鍵合圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送率)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的時間(固定值)與活塞桿的運動時間(變化值)不匹配) ,並提出了的改進方法。
  12. Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard

    和感式電能表比,電子式電能表的計量誤差受率變化影較小,具有較寬的,誤差率特性曲線較為平坦,因此,在諧波存在下以全能量為計量標準時,電子式電能表的計量誤差遠遠小於感式電能表的電能計量誤差,而以基波能量為計量標準時,電子式電能表的計量誤差比感式電能表的計量誤差大。
  13. Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived

    該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和重特徵值問題進行攝動分析和靈敏度分析,特別是適合於轉子動力學系統特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐給水泵轉子的參數識別及動力模型修改的問題,並給出了該種型號的給水泵轉子的更準確的力學模型,為進一步的轉子動力學分析與設計奠定了可靠基礎; 3 、給出了攝動理論在關領域如隨機特徵值分析、隨機振動分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的用公式。
  14. The effect of static magnetic field on the growth of eschrichia coli was discussed by the sensitive response of spqc sensor to the conductivity of solutioa a relative frequency shift response model was derived on the basis of theory analysis and the relative parameters were estimated

    利用spqc傳感器對溶液電導率的靈敏,探討了了一定強度的靜磁場對大腸桿菌的生長狀況的影。在理論分析的基礎上,導出了關的模型,估計了有關參數。
  15. Firstly, the airfoil ' s classic flutter ( at small attack angle ), stall flutter ( near the static stall angle ) and response ( at large attack angle ) are analyzed. it is found from the numerical results that " lock - in " will occur at certain freestream velocity range near the static stall angle, where the frequency of the vortex will be equal to the natural frequency and the flutter has the characteristic of self - induced oscillation. when the attack angle is far from the static stall angle, the vortex will have its own frequency, which differs from the natural frequency, and the flutter has the characteristic of forced oscillation

    首先研究了二維翼型的古典顫振(小攻角) 、失速顫振(失速攻角)和動力問題(大攻角) ,得到以下結論:在靜態失速攻角附近的一定來流速度范圍內,分離渦會發生率鎖定現象,分離流的率與固有率趨于同,這時的振動呈現自激振動的特點;遠離失速攻角時分離流率則擺脫固有率的影,此時的振動具有強迫振動的特點。
  16. Under these assumptions, three kinds of excitations, namely, harmonic force with frequency equal to the structural fundamental frequency, harmonic force with frequency equal to half of the structural fundamental frequency and pulse force are inputted to the undamaged and damaged structures. then under the same excitation, the undamaged structural displacement responses, velocity responses, acceleration responses, jerk responses and responses of integrated displacement are compared with that of the damaged ones

    在此假定基礎上,分別將激勵率等於結構基的簡諧形激勵、激勵率等於結構基之半的簡諧形激勵和錘擊激勵輸入結構,而後比較了損傷前後結構在同激勵下的位移、速度、加速度、加加速度和位移積分
  17. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的互作用因子隨率呈周期性變化,在振動率比較低的情況下,樁的橫向互作用因子也較低,當率趨近於零時,互作用因子也趨近於零; 2 )樁的互作用因子的幅值隨瑞利波入射角度的變化而變化,在= 0情況下幅值最大,且隨入射角度的增加,波動的周期明顯縮短; 3 )樁的互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的互作用因子基本趨近於0 ; 4 )在率比較低時,互作用因子幅值隨樁土對剛度比的增加而顯著增加; 5 )樁頂固接可以有效地降低群樁的橫向地震幅值,由瑞利波產生的群樁效可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震是不同的,每根樁所在的樁位對其橫向地震有很大的影;刀樁數的增加並不能減小樁的橫向動力
  18. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    (三)採用模態疊加法針對爆破動力作用,進行邊坡的動力分析,得出了以下結論: ( 1 )振動率為0 . 3hz時,坡面頂部水平向加速度峰值最大;綜合考慮,可認為該邊坡的自振率為0 . 3hz左右; ( 2 )地形對爆破地振動存在放大作用,研究剖面的坡面,水平向加速度及位移在地形對高差45米左右最大,而後隨對高差的增高而減小,對高差為100米時,水平向位移及加速度絕對值均大於坡腳; ( 3 )強迫振動段,水平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破振速較小時,變形破壞的形式表現為坡頂表面滑塌型。
  19. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低段,因此選擇在低段有好的特性的麥克風和放大電路;放大輸出信號通過a / d採集板變換成的電壓數值信號送入計算機,對離散的信號數據進行傅立葉變換得到它的譜圖和各段能量分布圖;而後將能量分佈特徵數據作為神經網路的輸入值,這樣,好蛋和破損蛋的模型就建立起來。
  20. The rate of domain switching plays an important role in the nonlinear behavior and properties that are frequency dependent. it is necessary to incorporate the rate of domain switching when multi - scale analysis of the coupled macroscopic thermo - electric - mechanical behavior of ferroelectrics is carried out

    疇變具有一定速度,疇變速率對鐵電體的非線性等性質起到重要的作用。在對鐵電體多場耦合進行多尺度分析時,必須考慮疇變速率的影
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