frequency response range 中文意思是什麼
frequency response range
解釋
頻率響應范圍-
Its frequency response has to be flat over the whole audio range.
它的頻率響應在整個音頻范圍內有所下降。 -
Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground
針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。 -
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，重播時便有最佳的頻率響應寬度frequency response range 。換句話說，組合所能播放的最高至最低頻率也可以盡情發揮，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的互相干擾情度不至造成混亂。 -
The control system with such method is simulated and a inverter is made for speed control of single - phase motor. the method presented in this paper offers such advantages as easy implementation, large range of frequency and rapid dynamic response. furthermore, using this method, the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically
本文提出的變頻調速控制方法具有系統設計簡單易實現，調速范圍大，動態響應快等特點，而且在電機繞組對稱和不對稱兩種情況下均可實現變頻調速的對稱運行。 -
The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。 -
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赫茲范圍有較好的相應特性。 -
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）和動力響應問題（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，分離渦會發生頻率鎖定現象，分離流的頻率與固有頻率趨于相同，這時的振動呈現自激振動的特點；遠離失速攻角時分離流頻率則擺脫固有頻率的影響，此時的振動具有強迫振動的特點。 -
The analytical results show that the effect of connected rigidity between main part and hanger on response is remarkable, and the frequency range increases if hung floors
懸掛結構主體結構之間的連接剛度對頻率的分佈和振型的性質有重要影響，懸掛樓層后，體系的頻域范圍擴大。 -
This continuous rule can put the suspension system in the optimal damping state. the skyhook principle can be combined in this control rule, which can further attenuate the vibration of the car - body in lower frequency range, but the acceleration response in higher frequency range tend to be larger
文中還研究了把基於天棚阻尼原理的阻尼控制策略結合到該控制系統中的復合控制方法，前者能使系統始終處于最優或次優阻尼，後者則能進一步衰減低頻振動，但也有增大高頻響應的趨勢。 -
Dts ars applications include vehicle rollover, mvss 202a, biomechanical testing, and military and aerospace applications. custom range and frequency response are available to meet your testing requirements
Dts的角度傳感器的應用包括車輛翻轉，假人模擬，生物機械測試，軍事和航天應用.定製范圍和頻率響應可用來滿足您的測試要求 -
Such a semiacitve control system is not only with a broad frequency range for vibration suppression but also apt to implement. numerical results show that using the discrete control can generally decrease the displacement response but increase the acceleration response, whereas using the co
同時通過數值計算發現，變剛度控制如果採用離散控制的方法，盡管可以有效抑制結構的位移反應，但是大多數情況下對于加速度反應則是不利的；相反，連續控制則顯得比較靈活，可以有效克服這種缺陷。 -
4. according to the analyses of underwater acoustic channel and long - range remote control receiving system, we designed the long - range remote control receiver, including a low noise prefix - amplifier, a band pass filter and an auto - gain control circuit. finally, the analog part of the receiver is tested and the frequency response of this receiving system is obtained.
結合對水聲通道特性和遠程遙控接收系統的分析，進行了遠程遙控接收機的設計，包括接收機低噪聲前置放大器的設計、帶通濾波器電路的設計和集成以及自動增益控制電路的設計，最後對接收機模擬電路進行了調試。 -
Frequency response refers to the range of frequencies that a medium can reproduce accurately
頻率響應是指媒介能夠正確重現的頻率范圍。 -
The author accomplished this dissertation through taking part in the project. the main contents of this dissertation are : based on the national capacitance standard, the principle and the measurement method for capacitance metrology are studied, and the frequency response of a four - terminal - pair ( 4tp ) capacitor acted as the capacitance standard is measured in the extended frequency range
本文研究的主要內容是:在國家「電容基準」的基礎上，選用四端對電容器作為標準器，研究電容量值擴展頻段的計量原理及方法，測定其頻率響應，建立國家的擴展頻段電容標準;以擴展頻段的電容標準為量值標準，進行測量四端對電阻器和校準單埠電容器頻率響應的研究。 -
And then the sensitivity, the frequency response and the linearity dynamic range are analyzed detailedly
以此為基礎，分析了傳感系統的靈敏度，頻率響應，線性動態范圍。 -
Simulation comparisons verify the superior performance of the tri - state pwm technology. experimental results indicate that the current - controlled tri - state pwm switching power amplifier based on sample - hold strategy has high frequency bandwidth and fast dynamic response in a wide load range, which can well meet the demands of high - speed magnetic bearing
模擬結果驗證了電流三態調制技術的優越性能；實驗表明本文研製的基於采樣-保持策略電流三態調制開關功放具有結構簡單、效率高、紋波小、電流動態響應快、頻帶寬、受負載影響小等優點，能很好地滿足高速磁軸承的要求。 -
Frequency response range
頻率響應范圍 -
Experimental result shows that electrical - resistance strain gages can respond well in the frequency range of artificial excitation by impact hammer, at the same time, the experimental scheme brought forward in this paper makes the experimental setting simple and can be manipulated easily as well as can display the excitation and response expediently and synchronously on digital oscillograph. the impact hammer can implement half - sine load
結果表明，電阻應變片在力錘激勵頻段內可以有很好的響應，從而使實驗裝置簡單，方便操作和使用；同時實驗結果顯示出本文採用的實驗方案可以方便地將激勵和響應同步地顯示在示波器上，並且利用力錘可以實現規則的半正弦加載。 -
Audio devices " performances in playback are evaluated by their frequency response in the whole audio frequency range
音頻設備對于信號的重放能力是由其頻率響應特性來衡量的。 -
Simulation of computer and dynamic experiments show : the sofpss has such characteristics as small overshoot, fast response speed, avoidable micro - amplitude oscillation and is not sensitive to changes of operating modes and external disturbances. the sofpss can effectively damp low - frequency oscillation in a large range and takes on strong adaptability
計算機模擬和動模實驗結果表明： sofpss超調小、響應速度快，且避免了微幅振蕩；對運行狀態的變化以及外界干擾不敏感，能夠在較大的運行范圍內有效地抑制振蕩，適應能力較強。
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