peak amplitude 中文意思是什麼

peak amplitude 解釋
峰值振幅
  • peak : vi 1 瘦弱;消瘦,憔悴。2 減少,縮小 (out)。n 1 山峰,山頂;孤山。2 (胡須等的)尖兒;尖端。3 最...
  • amplitude : n. 1. 廣闊,廣大。2. 豐富,充足。3. (思想的)廣度。4. (天體出沒時偏離正東或正西的)角度距離。5. 【物,電】振幅。
  1. The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.

    曲線形相位特性減小了波形振幅峰值。
  2. Visar - measured wave profiles on the free surface of target were profiles with an initial velocity jump followed by a smoothly - rising front to the peak velocity amplitude, showing that quasi - isentropic loading has been successfully generated

    Visar測試得到的是波陣面上升前沿被明顯展寬的準等熵壓縮波,最高的擊靶壓力達到了260gpa 。
  3. System imitation analysis in the time domain indicates that the amplitude and peak of displacement at the joint between cable and mast are both reduced, and the fatigue life of guyed mast is increased. adjusting the location of mr damper can efficiently reduce the displacement on the top of guyed mast induced by wind

    模擬分析表明可以有效地減小桅桿結構纖繩與桿身連接處的位移響應的幅值與峰值,能提高結構的疲勞壽命,通過調節mr阻尼器的作用位置可以改善對桅桿頂部位移響應的控制效果。
  4. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理,總結出三條降噪途徑:在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度;調整節距排列順序、花紋條之間的錯位值,使各發聲單元發出的聲壓時域波形的同向峰值錯開,避免同向峰值疊加;調整花紋塊和槽比例、節距比例、節距排列順序,盡量避免周期性分佈,使輪胎所發出的噪聲趨于白噪化,避免某些頻段的異常高峰值。
  5. The results demonstrated that the weft tension and its amplitude can be effectively reduced and positively controlled to meet the requirements of weaving provided that suitable weft storage feed unit, weft feeding position and tension device are selected, modified trapezoid acceleration motion with smaller peak acceleration as the law of weft insertion motion is adopted, and the route of weft yarn motion is optimized

    結果表明:通過選用合適的緯紗儲緯器、張力器和緯紗供緯位置,選用加速度峰值較小的改進型梯形加速度引緯運動規律,優化緯紗運動路徑,可有效地降低緯紗的張力值和張力變化的幅度,達到對緯紗張力進行積極控制的目的,滿足織造工藝的要求。
  6. The conclusions from this research include : ( 1 ) the real part mainly effects the delay time between two peaks of gpr signal, the larger the real part, the longer the delay time. ( 2 ) the imaginary part mainly affects the peak amplitude of gpr waveform except that from pavement surface, the higher the imaginary part, the lower the peak amplitude. ( 3 ) the neglect of imaginary part of dielectric will increase the analyzing error obviously when it is higher

    分析了路面結構層材料介電常數實部和虛部對雷達電磁波反射信號的影響,並得出以下結論: ( 1 )介電常數的實部主要影響雷達反射波的時延,實部越大,時延越長; ( 2 )虛部主要影響除路表反射波幅之外的其它結構層界面的反射波波幅,虛部越大,反射波幅越小; ( 3 )當介質介電常數虛部較大時,忽略虛部將給分析結果帶來明顯的誤差; 3
  7. Through analyzing bed ' s response to wave, in the condition that super - stratum is more hard and second - stratum is more soft in region of interest, super static interstitial hydraulic pressure amplitude die away rapidly between stratums, before in sight of boundary between hard and soft stratum, plane effective pressure increase to max. shear stress reach peak value when bed thickness is approximately 2. 7 meters, then it will decrease to the minimum on the place where the flexible soil has a common boundary with the rigidity, so the boundary is the most destroy plane on engineering. on the basis of reconnaissance in situ, in normal situation of sea, the structure slides to the basin along the boundary

    通過對底床在波浪下的響應分析,對于研究區底床上層較硬而第二層較軟的情況,超靜孔隙水壓力幅值在層間交界處迅速衰減,在臨近硬、軟地層交界處前,水平有效應力增至最大,剪切應力在底床厚度大約2 . 7米左右達到峰值,然後減小,到硬、軟層土交界位置,達到最小,因此這個界面就是最容易發生破壞的工程軟弱面,現場勘查證明,即使在正常海況下,構築物也會沿坡以此交界面為滑動面,緩慢向「盆」底滑動。
  8. At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    在輕氣炮上利用研製的93w - ofc一tc4 . ai一mbz系波阻抗梯度飛片實現了對93w合金(靶材料)的準等嫡壓縮,經修正後的測試波形都是由一個較弱的初始速度跳躍和一段呈階梯狀緩慢上升的波陣面前沿所組成的準等嫡壓縮波。
  9. According to our experimental investigations of varying load amplitude, it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles, the ratio of peak value of overload to that of the regular cycles should be over at least 1. 35 to make the retardation taking effect. the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc. )

    本文試驗分析了變幅載荷對裂紋擴展的影響,證實了有機玻璃也存在超載遲滯現象,通過金相觀察分析,提出超載遲滯的過程實際上是裂紋前緣萌生新的裂紋的過程的觀點,同時提出超載遲滯的合理的解析,並且給出超載遲滯比,為隨機載荷下疲勞擴展模型的建立提供了一個重要的參數。
  10. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明:在某些頻率范圍內相關水動力系數基本不隨吃水變化,只有超過某一頻率后水動力系數的值才會出現差異;在橫搖方向,水動力系數並沒有隨著吃水的變化發生規則變化,而是出現了波動現象;近船首剖面的水動力系數計算表明,水動力系數的波動非常大,並遠遠偏離了平均位置的水動力系數值,值的變化速率也不盡相同,總的看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面運動的速度的平方項有關,導致其振動頻率和相應運動方向的頻率不同;外飄力使升沉向下運動的幅值減小;船速對三個計算量的峰值影響甚微,但對振動頻率有明顯影響;波幅對船舶運動的影響是明顯的,船舶運動的幅值基本上和波幅成線性關系。
  11. There are functions such as drawing the chart of amplitude - frequency and phase - frequency, calculating and displaying the highest peak value, the total sum of amplitude and the effective line - breadth of the signal in the program. so an effective technical means is supplied for the analysis of ultrasonic signal

    軟體系統具有幅頻圖及相頻圖的繪制、最高峰值、諧波系數及有效譜寬度的計算及顯示等功能,從而為超聲信號的頻譜分析提供了極其有效的技術手段。
  12. Firstly, the multiple modes and dispersion nature of ultrasonic lamb wave are investigated in theory. furthermore, optimization of excitation signal is performed experimentally with the four parameters : the transport mode, the center frequency, the amplitude and the number of the wave ’ s peak value

    本文首先從理論上分析lamb波的多模式和頻散現象,在理論基礎上結合實驗在傳播模式、中心頻率、信號幅值、波峰數等幾個方面對lamb波進行優化。
  13. The corrected visar - measured wave profiles on the interface between target and window were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    對visar測試到的波形進行合理的修正後,得到的界面速度波形都是由一個較弱的初始速度跳躍和一段緩慢上升的波陣面前沿所組成的準等熵壓縮波。
  14. The experimental results show that the amplitude of vibration decreases and the resonance peak moves to higher frequency as the strength of electric field increases

    實驗表明,隨外加電場強度增加,結構振動幅值減小,系統諧振峰向高頻方向移動。
  15. This algorithm adopts peak error or maximum amplitude error criterion to control the level of distortion in pipeline leak signals, and doesn ’ t change the subsequent location error of adaptive time - delay estimation in the case of a small quantization error, so as to implement the near - lossless compression of pipeline leak signals

    該近無損壓縮演算法設計了基於峰值誤差準則的量化方案對管道泄漏信號的失真度進行控制,在量化誤差較小時並不影響后續自適應時延估計的定位誤差,從而實現對管道泄漏信號的近似無損壓縮。
  16. Direct current, peak to peak amplitude of the measured quantity is implemented. the whole system has the integrated functions of data process, communicate, display, etc. during designing the hardware, in order to improve the whole system ’ s interference immunity, the advantages of small outline ( so ) chip is fully considered by proper redistribution, the analog parts and digital parts are separated by optoelectronic isolator to reduce the interaction

    本課題根據黑龍江省計量研究院的要求,依據最新測量理論設計了直流測量模塊,其性能已經達到了萬分之一的精度,實現了一個集直流電壓、直流電流及峰峰值測量於一體,具有數據處理、通訊、顯示等功能的單片機測試系統。
  17. A non - linear mapping method for reducing the transmitted signals amplitude peak in multicarrier system

    系統發送信號峰值的非線性映射方法
  18. High amplitude trigger pulse meets the power requirements of many thyristors connected in parallels. the voltage peak emerged in switching off inductance circuit is amortized by resistor and capacitor absorbed circuit

    選取r = 54 , c = 0 . 22 f的阻容緩沖吸收電路有效降低了快速晶閘管關斷感性負載產生的過電壓。
  19. In frequency domain it is different in the amplitude and main peak frequency range

    五種害蟲聲信號的峰值頻率和主要頻域范圍也存在差異。
  20. Peak to peak amplitude

    峰峰振幅
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