frequency dependence 中文意思是什麼

frequency dependence 解釋
頻率相關
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  • dependence : n. 1. 依賴,依靠。2. 依靠之物,靠山。3. 信任,信賴。4. 從屬;隸屬。5. 【物理學】依存(關系)。6. 【法律】未決。
  1. Frequency dependence o f somatostatin and calcitonin gene related peptide release induced by electroacupuncture in rat spinal cord

    電針頻率對大鼠脊髓灌流液中som和cgrp含量的影響
  2. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸波塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多組分吸波塗層對重量輕的要求;使用權重系數變化法,實現了吸波塗層的分頻段吸波性能要求。
  3. Xrd, sem, temperature and frequency dependence of dielectric constant, and hysteresis loop were measured to investigate and study structure, microstructure, dielectric and ferroelectric properties of barium titanate dielectric ceramics

    應用x光衍射譜、掃描電子顯微鏡、介電率的溫度與頻率依存關系以及電滯回線測量,調查和研究所制備的鈦酸鋇陶瓷的結構、微結構、介電和鐵電性質。
  4. It finds that the radicals generated in plasma control the deposition process and the main bonding configurations of films are dependent on the ratio of cf and cf2 radicals in films. the films composed of cf2 and cc bonds can be obtained at microwave power above 560 w. the frequency dependence of dielectric constant ~ ( f 1 x 10 ~ ? x 106 liz ) ii and dielectric loss tan5 ( f = lxi 02 ? 1 x 1 o5hz ) follow a power law respectively and all show decreasing trends as frequency raised

    薄膜的介電頻率關系( f = 1 10 ~ 3 - 1 10 ~ 6hz )和損耗頻率關系( f = 1 10 ~ 2 - 1 10 ~ 5hz )均服從指數規律,隨頻率的增大而減小;對薄膜的電導頻率關系的分析表明,這種指數規律的介電色散關系與由缺陷中心之間簡單隧穿引起的跳躍導電過程有關。
  5. A voltage signal tria ( tt / pw ) added by normal noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以加上準常態雜訊之三角波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  6. A voltage signal rect ( tt / pw ) multiplied by normal noise is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以乘上準常態雜訊之方波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  7. A modulated signal of rect ( tt / pw ) added by a zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以雙邊遞減波電壓訊號加上含有準常態雜訊為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  8. A voltage signal uexp ( tt / pw ) added by zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以加上均勻雜訊之單邊遞減波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  9. A voltage signal tria ( tt / pw ) added by zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以加上均勻雜訊之三角波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  10. A modulated signal of tria ( tt / pw ) added by a normal noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以三角波電壓訊號加上準常態雜訊乘以無雜訊載波之調變訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  11. A modulated signal of eexp ( 2 * tt / pw ) added by a zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以雙邊遞減波電壓訊號加上均勻雜訊乘以無雜訊載波之調變訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
  12. The internal load love numbers, expressed as a general form in this dissertation, are employed to describe the deformation response of the earth ' s solid parts to the dynamical behaviors of the fluid outer core. the spatial distribution and frequency - dependence characteristics of the internal load love numbers are also investigated

    以內部負荷love數描述了地球固體部分對液核動力學效應的形變響應,嚴密推導了內部負荷love數的一般表達式,研究了內部負荷love數的空間和頻率依賴特徵。
  13. The phase angles display a strong dependence on frequency ; the impedance magnitudes decrease across the entire frequency spectrum. the activation enthalpies lie in the range of 1. 03 - 2. 11ev

    在壓力為l一3gpa 、溫度為1282一z544k 、頻率為0 . 1一lo6hz 、氧逸度為mo一mooz的條件下,對純橄欖巖的電導率進行了測量。
  14. With the increasing of montmorillonite content, the composites showed a trend of pseudo - solidlike at lower frequencies, the montmorillonite layers could align along the stress direction, and as a result, the dependence of dynamic modules on the frequency was quite different before and after suffering from large amplitude oscillatory shear

    然而當蒙脫土含量低於和臉或蒙脫土片層在基體中呈完全團聚狀態,則復合材料表現出與聚合物基體類似的線性粘彈特性。實驗發現,在熔體經大振幅振蕩剪切后,上述「類固.
  15. During the low strain dynamic test of the foundation pile, the adoption of the velocity sensor to the direct measurement of the relative displacement of the pile head is helpful to reducing the improper dependence upon the measured intrinsic frequency valuesof the pile soil system in calculating vertical bearing capacity of the single pile, and is hence conducive to raising the accuracy of the calculated vertical bearing capacity of the single pile

    基樁低應變動測中,採用速度傳感器直接測出樁頭的相對位移,在推算單樁豎向承載力時,有助於降低對樁土體系固有頻率測定值的過分依賴,從而有利於提高單樁豎向承載力推算值的準確程度。
  16. The temperature dependence of dielectric constant between room temperature and 500 under 1 khz, 10khz 100khz frequency conditions were measured, it is found that the ceramics are relaxor ferroelectric. the relaxor properties are decreased by the substitution of ba2 +

    測量了各樣品在1khz 、 10khz 、 100khz頻率下從室溫至500的介電溫譜,表明材料為弛豫鐵電體, ba ~ ( 2 + )的摻入使其弛豫特性有所降低。
  17. The dynamical characteristics of ground soil and structure of frequency spectrum of ground micro - tremor in fuzhou and quanzhou of fujian province are studied in this thesis. the ground microtremor signals were observed, and the signals were analyzed by fast fourier transform method ( fft ). the characteristics of structure of frequency - spectrum and response of ground soil to frequency of ground micro - tremor are revealed, and the function with frequency - dependence and frequency - selection of micro - tremor for different foundation soil strata is also researched

    本文以福建省福州市區和泉州市區場地土的動力特性和地脈動頻譜結構為研究對象,對福州市區和泉州市區等地進行了場地地脈動的測試,利用快速傅立葉變換( fft )方法對觀測到的地脈動信號進行頻譜分析,研究了地脈動頻譜結構特徵及場地土對地脈動的頻率響應的特性。
  18. As a method to obtain higher sbs reflectivity by improving the monochromaticity of laser system, the ld end - pumped pulse - microchip laser operated on high - repetition and single - frequency has also been researched. in section v, we revised the previous theoretical model for passive - q - switched laser using cr4 + : nd3 + : yag by introducing the space dependence between the photons and inversion populations in microchip resonator

    由於泵浦激光的線寬對sbs反射率有顯著影響,而利用單縱模、高重復頻率運轉的脈沖微片激光器作為dpl系統種子光源來提高激光系統單色性是一種可行的技術方案。
  19. Second, there exists a function with frequency - dependence and frequency - selection for the response of site soil on micro - tremor

    第二,場地土對地脈動存在頻率依賴以及頻率選擇作用。
  20. We prepared sample l, sample 2 with single coil. and sample 3, sample 4 with two series coils. in this paper we discussed the frequency - dependence of theis inductance, resistance and quality factor ( q - value ) in a range of l00mhz - l0ghz

    本實驗中製作了單個線圈的樣品1和樣品2以及串聯的樣品3和樣品4 ,文中報告了這些薄膜電感的電感、電阻和q值在100mhz - 10ghz范圍內的頻譜特性。
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