phase response 中文意思是什麼

phase response 解釋
相位響應
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • response : n. 1. 回答,答復。2. 【宗教】應唱聖歌。3. (因刺激等引起的)感應,反應,反響;應驗;【物理學】響應;【無線電】靈敏度,感擾性;特性曲線。
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user

    傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器,它不僅價格昂貴,體積龐大,而且只能顯示幅頻特性曲線,不能得到相頻特性曲線,更不能列印被測網路的頻響曲線,給使用者帶來諸多不便。
  3. 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。
  4. In this paper, porous nanocrystalline titanium dioxide films were used to modify the surface of quartz crystal microbalance ( qcm ), the response of qcm with high roughness layer hi liquid phase was discussed, and the difference between the theoretic value and frequency response measured was illustrated in detail

    本文採用tio _ 2納米粒多孔膜修飾壓電晶體傳感器,對高粗糙度壓電傳感器的響應進行了探討,闡明了在液相中壓電響應的實際值與理論值產生偏差的主要原因。
  5. The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point

    前者為la ~ ( 3 + )和氧空位等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化,且由於正負載流子的迭加效應所致,該介電峰與mn離子的摻入相關;後者為體系出現相應的正交與立方結構的轉變所致,也即居里點。
  6. New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized

    論文中首先介紹了中性點接地方式的發展過程,通過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。
  7. The main achievements could be summarized as follows : 1 ) the dynamic response of the saturated, porous, elastic half - space is studied in this paper, and saturated soil is taken as elastic two - phase media

    現將本文的主要工作簡單介紹如下:本文以飽和土為研究對象,在兩相介質為彈性介質等一些條件假定下,進行了飽和彈性半空間動力響應問題的研究。
  8. In order to study the expression of 3 - defensins in liver as acute phase response proteins, a murine systemic acute phase responsive model was established by intraperitoneal injection o f lipopolysaccharide ( lps ) in our study. the mbd3 cdna sequence ( 145 - 169 bp ) was labled with [ - 32p ] atp as a probe to detect mbd3 mrna in different tissues by northern blot and analyze the time - and dose - dependant expression caused by lps. the 5 " flanking sequence ( - 167 - 179 bp ) of the mbd3 gene was designed as the probe and labled with [ - 32p ] dctp to investigate the binding of transcriptional factors to this region by electrophoretic mobility shift assay ( emsa ) and south - western blot

    以小鼠mbd3基因145 ? 169bpcdna序列合成探針,經[ - ~ ( 32 ) p ] atp標記后通過northernblot方法檢測mbd3在肝臟中的表達,同時分析了mbd3基因誘導表達的組織特異性,劑效和時效關系;結合mbd3基因啟動子區序列分析,以- 164 ? - 179bp雙鏈dna序列合成探針,經[ - ~ ( 32 ) p ] dctp標記后通過電泳遷移率改變實驗( emsa )和south ? westernblot方法對參與mbd3在肝臟中誘導表達調節的轉錄因子進行分析。
  9. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。
  10. After we apply the design scheme of this paper to a three - phase asynchronous motor, the simulating experiment result indicates that the digital control system realizes the motor ' s stable running and fast response during the start - up and unexpected change in load ; moreover, it realizes the good dynamical performance

    將本文的設計方案應用到一臺實驗用三相異步電動機上,模擬實驗結果表明本文所設計的基於tms320f240dsp晶元的數字控制系統能夠控制電機穩定運行,啟動及負載突變時反應迅速,被試電機動態性能良好。
  11. On the contrary, the degree of saturation plays an important role on p - wave propagation, if incidence is 90 degree. the amplification factor on surface related to the response of bedrock is the biggest if the media is one - phase media, and the factor is the smallest if the media is unsaturated media ( sr > = 90 % )

    P波從底邊界垂直入射時,飽和度對地表土層的反應有顯著的影響。就地表土層位移和加速度相對于基巖的放大倍數來說,一般有這樣的規律:單相土的放大倍數最大,欠飽和土的放大倍數最小,飽和土的放大倍數居中。
  12. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響,同時在d分區法的前提下,在兩相區基於漂移流模型,一定的守恆條件下,在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。
  13. These results suggest that the transcriptional factor is the p50 - p65 heterodimer of nf - b. conclusion : 1. the expression of mbd3 gene can be induced in liver during the systemic acute - phase response to the challenge by lps ; 2. the acute phase - related mbd3 gene expression appears to be time - and dose - dependant of lps stimulation ; 3

    結論: 1 . lps刺激引起小鼠急性時相反應可誘導mbd3基因在肝臟中表達; 2 . lps誘導的mbd3基因的急性時相表達具有劑量和時間依賴性; 3 . nf一『 b活化后參與mbd3基因誘導表達的轉錄調節。
  14. During a systemic acute - phase response resulted by intraperitoneal injection of lps the expression of mbd3 gene was only detected in mouse liver and not in heart, lung, spleen and kidney by northern blot

    Lps刺激后引起小鼠急性時相反應。 northernblot檢測mbd3基因僅在肝臟中有表達,而在心、肺、脾、腎中無表達。
  15. 8 the frequency responses of a function are the plots of the amplitude and phase of this function versus frequency that are called the amplitude response and the phase response

    頻率特性是這個函數的大小和相位隨頻率的變化曲線(情況) ,分幅頻特性和相頻特性。
  16. At first, the algorithms for " nose - to - nose " calibration technology acquiring the parameters are introduced, including the algorithms for acquiring the impulse response, the step response, the rise time, the amplitude response and the phase response

    首先,介紹了「 nose - to - nose 」校準技術獲取示波器沖激響應、階躍響應、過渡時間、幅頻特性和相頻特性的各種演算法。
  17. Background : innate immunity system provide the body with its first line of protection against external injury and such a rapid, non - specific mechanism can almost be found all through the living kingdom. both cells and secreted molecules of innate immunity are dynamic in regard to their readiness status and the process of cell activation during the adaptive alteration of cell physiology at the initiation stage of innate immunity is addressed as acute phase response ( apr )

    研究背景:幾乎所有動物受到創傷和感染等外界傷害時都會啟動急性反應系統( acutephaseresponse , arp )進行快速的自我保護,包括抵禦微生物的入侵,促進創傷的修復,幫助機體恢復正常靜息狀態等,其中涉及眾多蛋白質( app )水平的變化。
  18. Phase response curve

    相位反應曲線
  19. The method of design digital filter with linear - phase response

    線性相位數字濾波器的設計
  20. In 2002, the bureau was heavily committed in neutralising a major cross - boundary vice syndicate and implementing a strategic, multi - phase response to illegal soccer gambling associated with the world cup

    年內,刑事情報科積極參與瓦解一個大型跨界賣淫集團,並制定策略,分階段打擊涉及世界盃足球賽的非法賭波活動。
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