x

frequence

uploads/frequence.jpg

frequence n.＝ frequency.

n. ＝ frequency. “allele frequence“ 中文翻譯：   等位基因頻率“exchange frequence“ 中文翻譯：   交換頻率“free frequence“ 中文翻譯：   【物理學】固有頻率，自然頻率。 “frequence of seroconversion“ 中文翻譯：   血清轉換率“overtone frequence“ 中文翻譯：   諧波頻率“critical flicker frequence“ 中文翻譯：   臨界閃爍頻率“electronic digital frequence counter“ 中文翻譯：   電子數字“frequence converter station“ 中文翻譯：   變頻站“frequence-slective presaturation“ 中文翻譯：   頻率選擇預飽和技術“incremental frequence shift“ 中文翻譯：   增量頻移“optimum working frequence，owf“ 中文翻譯：   最佳工作頻率“vacuum tube frequence multiplier“ 中文翻譯：   電子管倍頻器“variable-frequence governor“ 中文翻譯：   變頻調速器“variable-frequence voltage technique“ 中文翻譯：   變頻變壓調速技術“frequelon“ 中文翻譯：   弗雷克隆“frequelin“ 中文翻譯：   弗雷克蘭“frequecy operation“ 中文翻譯：   運用頻率“frequencfy-dependent behavior“ 中文翻譯：   頻率相關特性“frequecny domain analysis“ 中文翻譯：   頻域分析“frequencies“ 中文翻譯：   頻數分布分析“frequecny divison multiplexing“ 中文翻譯：   頻分割多路傳輸

frequency

According to the statistical characteristic of noun phrases , we used an iterative re - evaluation algorithm for high - frequency noun phrases , and our metdhod for low - frequence noun phrases is similar to the algorithm for low - frequence content word . this method can take into account the alignment information on the whole , and acquire the result with high coverage rate 名詞短語的對應。本文根據名詞短語的統計特征，對高頻名詞短語采用迭代重估算法；對低頻短語，則采用類似于低頻實詞的對應方法。這樣就能夠從整體上把握對應信息，并使結果具有很高的覆蓋率。

Third , mensurated the front axle ' s load - time history when truck was running on general tar - paved roads , mountainous roads and the proving ground enhancement roads , second sampled and pretreated to the load - time history with rpc software of mts corporation , acquired the relationship of the frequence of the mean and amplitude load , obtained the zero mean equivalent loads using goodman experiential fatigue equation , acquired the weibull distributing functions of equivalent loads of respective roads 第三，測定了汽車前橋在一般瀝青公路、山區公路和試驗場強化試驗路面的載荷時間歷程。對載荷時間歷程進行了二次采樣和數據預處理。采用雨流計數法得到了各路面的載荷均、幅值的頻次關系，并根據goodman經驗疲勞公式，得到了零均值的等效載荷及相應的頻次。

Therefore the dynamical characteristic is acted as detected parameter for fractured detection ( primary amplitude secondary frequence ) . and the amplitude of mean sguare and central frequence are acted as evaluational parameter , based on the those studies , the new ideas is put forward that fractured azimuth is dected by lateral difference and fractured density is dected by vertical difference for three facters of fracture , wavelet acted as analysis tool and direction by wave field characteristic applied the multiple scale edge dectection and self - adaptive edge detection into the detection theory of seismic fractured azimuth , also put forward the wavelet different scale filter method of the fractured azimuth detection 因而，確定了主要以振幅，其次是頻率的地震波動力學特征作為裂縫檢測的被檢參數和均方振幅和中心頻率作為檢驗檢測結果正確與否的評價參數。在上述研究基礎上，針對裂縫的三要素，提出通過橫向求異檢測裂縫方位和縱向求異檢測裂縫密度的新思想。并以小波作為分析工具，以潛山波場特征作指導，將數字圖像處理中的多尺度邊緣檢測和自適性邊緣檢測引用到地震裂縫方位檢測中來，并提出了小波變尺度濾波法新的裂縫方位檢測法。

The frequence and modal of main stream piping were analysed under the condition of different velocity of stream and the valve taken as the centralizing mass . this paper also gives the responses of steady state under the condition that the frequency of forced vibration is 4hz 、 8hz 、 12hz respectively 將閥門作為集中質量處理，分析計算不同蒸汽流速下，某汽輪機主蒸汽管道系統的振動頻率和振型，并給出了激振力頻率分別為4hz 、 8hz 、 12hz時該管道系統的穩態響應。

In the end , a new reliale indicator , energy peak , is found to used to estimate damage . its three parameter : peak time , peak frequence and peak power are also evaluated . this study improves monitoring equipment in intelligence , low power dissipation and security 作者最后利用脊髓在受不同程度損傷下的脊髓誘發電位的時頻分布圖，比較時頻分布和時域上的各參數的變化，找到了新的損傷判定的特征指標：峰值能量,及其三個參數:峰值時間、峰值頻率和峰值功率。

We presented a novel method of searching for similar fragments of 3d curves , with this method , a hash vector is associated with each fixed - length fragments of 3d sherd . each vector consists of low frequence component of fourier - like spectrum for the distance between profile curve and the centroid 討論了基于hash矢量和fourier變換的輪廓曲線匹配方法，在匹配中不要求一段輪廓線與另外一段輪廓線完全匹配，而是把它們分成很多子段，再用這些子段來進行匹配。

From the resonant frequence can calculate the wave number k 0 , and we can get the r which correspond to the resonant frequence through optimize the unknown r , then we can get the result . the image part of the complex permittivity can get from the change of quality factor of the resonant cavity 由實驗所測得的介質加載后的諧振頻率可計算出諧振時的波數k0 ,這樣就可以通過優化r的方法來尋找滿足諧振頻率的r 0 ,從而可以測得介質的介電常數。

Digital interpolation beamforming is feasible . by using it , the result as same as by using high sampling rate can be got after passing a interpolation filter with the premise that nyquist sampling theorem should be satisfied and the frequence response of the filter is good enough 數字內插波束形成技術是一種可行的方法，它能夠在低的采樣率下，通過內插濾波，獲得與高速采樣相同的結果，前提是滿足奈奎斯特采樣定律和內插濾波器的頻率響應足夠好。

“ level 01 “ to “ level 20 “ are defined by frequence . if you are a high school student , you can select “ level 01 “ commonly ; if you are a college student , you can select “ level 01 “ to “ level 03 “ commonly ; under high school can select basic words 詞匯級別中的level 01 level 20是根據單詞出現的頻率統計的，如果你是高中水平，選擇level 01一般沒有問題，如果是大學水平，一般可以選擇level 01 level 03 ，高中以下水平可以選擇基本詞匯。

The variant alleles are very frequent in populations , with the hightest frequence , 0 . 29 , found in africas . the ggc 54gac allele is common in chinese with gene frequency above 0 . 1 . hence , mbl deficiency is the most frequent immunodeficiency , but its pathological mechanisms remain elusive and await further investigation 這些等位基因為常染色體共顯性遺傳，人群中其基因頻率高得令人驚奇，最高者竟達0 . 29 ，我國漢族ggc54gac頻率約0 . 1 。

The mathematic models of sampling and reconstruction are analysed respectively , and an important conclusion is got , that oversampling can decrease high frequence distortion of d / a output signal and the difficulty of designing lowpass filter . as a result the signal quality is improved 分析了采樣和重構的數學模型,得出了一個重要結論:過采樣可以減少d / a輸出信號的高頻端衰減失真,可以降低低通濾波器的設計難度,從而提高波形質量。

Acquiring high resolution means forming narrow and dense beams by use of high - frequence signals . according to normal digital time - delay beamforming , it is linpossible to do that because of its rigorous request in hardware 要想獲得高的分辨率就必須使用高的信號頻率形成窄而密的波束，如果按照常規的數字時延波束形成辦法，則系統的硬件在采樣率、存儲容量以及處理速度等多方面是很難實現的。

This method reconstructs the noise signal by choicing some high frequencies of the original signal . of course , the original signal is decomposed by wavelet packet as low frequence and high frequencies . we used the matlab toolbox to demonstrate the method 該種方式利用小波(包)對含噪信號進行分解,然后選用某些高頻成分來重構滿足要求的噪聲,再對重構的噪聲信號進行采樣來生成隨機序列。

Thirdly , current ripple will be calculated in two current control mode respectively and paper will make a conclusion about its interaction with the voltage , current , frequence and so on . finally this paper will show the design of the controller and test waveforms 另外，本文分析了在兩種電流控制方式下，即pwm控制和滯環控制下電流脈動和相繞組電壓、相電流、轉速和開關頻率的關系。

The reflection coefficients of the same model measured by different incline probes , are investigated , and relationship between reflection coefficient and conductivity of the layered tissue at different frequences is studied 在此部分，本文計算了不同傾斜角度的新型探頭測量同種生物組織時的反射系數，同時還計算了不同頻率下，新型同軸線探頭所測反射系數與生物組織電導率變化的關系。

Stap method with adaptive space - frequence steer vector . by simulating the new technique and 3dt - - stap for low - speed target detecting performance show that the performance of new technique is higher than 3dt - - stap . 5 5 .研究了該算法在工程上的可實現性,在tigersharcdsp101評估板上對模擬數據實現了該算法,并分析了其實時性能,取得了較好效果。

As a part of evoked potential instruments , it is entirely controlled by computer with high precision of current frequence , duration and intension , being continuously adjusted in large range 本課題研制的刺激器作為誘發電位儀的一部分，由計算機完全控制，生成的脈沖的頻率、脈寬和強度控制精度高，可在較大范圍內連續可調。

In chapter four afc scheme combined with adaptive array is presented , and a method that utilizing the frequence tracking performance of lms algorithm in baseband achieving afc directly is proposed 第四章提出了空域自適應陣中實現afc的方法，并提出了利用lms算法在基帶所具有的頻率跟蹤性能直接實現afc的方法。

When analyzing in frequence domain , according to the fluctuating property of wind , based on the stochastic vibration theory , some calculation formulas of the response are obtained in frequence domain 風振響應頻域分析部分從結構風振的基本理論出發,通過對脈動風功率譜的分析,推導了結構風振響應的計算公式。