比值平均 的英文怎麼說

中文拼音 [bǐzhípíngjūn]
比值平均 英文
average of relatives
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 比值 : specific value; ratio比值法 ratio method; 比值計 ratio meter; 比值檢波器 ratio detector; 比值控制...
  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. Plants growing in the semi - fixed sand dunes, on the other hand, were less branchy with a larger number of first - year shoots which were longer, and grew faster ; their leaves were longer and wider with a low length / width ratio. the characteristics of the branching system and leaf dimensions of the plants in fixed sand dunes were rather intermediary between those of the above. the frequency distribution and their frequency in the herb layer the scrubs also varied with habitats

    丘間低地的黃柳灌叢當年枝平均長度增加緩慢，短枝條的比例較高，當年枝枝長頻度分佈峰值偏左，葉片短而狹，長寬比大；與之相比，分佈於半固定沙丘的灌叢當年枝平均長度增加較快，長枝條比例較高，葉片長而寬，長寬比小；固定沙丘上的上述特徵大致介於二者之間。
  3. The ecosystem service functions of gansu is analyzed from six facts, such as grassplot ecosystem, forest ecosystem, watershed ecosystem, farmland ecosystem, desertification ecosystem and city ecosystem. this thesis simulates a latent ecosystem using vegetation type map to explain preferably how landscape pattern impacts the service function of ecosystem. the unit price of every service function is known by annual average value schedule of global ecosystem service function

    為了更好地說明景觀格局變化對生態系統服務功能的影響，通過植被類型圖模擬了潛在生態系統，根據全球生態系統服務功能的年平均價值一覽表查得各服務功能單價值，將其服務功能價值進行計算並與現實生態系統服務功能價值進行比較得出：由於現實生態系統人為的干擾作用，使得生態系統服務功能價值降低了1022 . 85 10 ~ 6美元。
  4. Some basic relations between arithmetic - geometric mean and geometric - harmonic mean and related inequalities were given. moreover, these two means were compared with some classes of well known compound means

    摘要給出算術幾何平均值與幾何調和平均值之間的一些基本關系式和有關的不等式，並且把它們與常見的幾類復合平均值做了比較。
  5. This thesis focuses on middleware - based load balancing supported by corba, and has made the following contributions : ( 1 ) based on the previous research, we give a method using resource utilization and harmonic mean performance to quantify the load of each node in the heterogeneous environment, which makes the loads comparable

    本文的主要研究內容就是基於corba中間件的負載均衡，具體的研究工作有以下幾點：探討了系統負載的衡量問題，借鑒前人的研究成果，採用以資源利用率和節點的調和性能平均值來綜合衡量系統負載的方法，量化了異構系統中各節點的性能，使得負載具有可比性。
  6. The research on attenuation features of intensity in the yunnan region by using intensity isoseismals of 127 earthquakes, and the following three conclusions have been put forward : ( 1 ) average ratio values of long - axis to short - axis of innermost isoseismal in the yunnan region is larger than eastern china and smaller than western china

    摘要本文利用127次地震等震線資料，對雲南地區地震烈度衰減特徵進行了研究，其結果表明： （ 1 ）雲南地區地震烈度極震區等震線的長軸、短軸之比的均值，高於我國東部地區而略低於西部地區的平均值，烈度衰減方向性強。
  7. Article 13 when calculating the original areas of lands held by the landownership holders before consolidation of farm lands according to paragraph 3, article 8 of the act, in case of loss of or incomplete data on allocation, the average area ratio of agricultural lands to the lands for waterway partaken by the landownership holders for land reallocation within the administrative scope of the local municipality or county ( city ) shall be used as the standard for calculation unless the original landownership holders can provide certification documents

    第13條依本條例第八條第三項規定計算原土地所有權人在農地重劃前之土地面積時，其農地重劃相關資料滅失或不全者，除原土地所有權人能提供可資證明文件外，以當地直轄市、縣（市）行政轄區內辦理農地重劃土地所有權人分擔農、水路用地面積比例之平均值為基準計算之。
  8. As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account

    本文考慮海拔高度和溫度直減率受地形和經、緯度及水汽等因素的影響，通過利用高斯權重法、結合逐步訂正的高斯權重法、梯度距離權重反比法和加入地形影響項（地形因子）的兩種改進高斯權重法的方案a 、 b ，對長江流域的地面日平均、最高和最低氣溫場進行了空間化插值研究。
  9. Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation

    潮汐是塑造潮灘的主要動力因素，它必然與淤泥質潮灘上潮溝系統的發育有密切的關系，為此，本文以2000年的衛片作底圖，對潮溝系的密度、溝口寬度占低潮線長度的比值以及潮溝面積與潮盆面積的比值，分別與平均潮差建立了相關關系，結果發現，潮溝系的密度與平均潮差之間存在著高度顯著的相關性，溝口寬度占低潮線長度的比值和潮溝面積與潮盆面積的比值與平均潮差之間存在著顯著的相關性。
  10. The industry average for stocks of chinese property developers is 1. 28 times book value

    而中國房地產業股價與帳面價值之比的平均水平是1 . 28倍。
  11. During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?

    在此過程中，採用平均誤差（ me ） ，平均絕對誤差（ mae ） ，插值平均誤差平方的平方根（ rootmeansquaredinterpolationerror ，簡稱rmsie ） ，插值前後測站要素值的均方差（ meansquaredeviation ，簡稱msd ）差值作為判定插值效果的標準，得出如下結論：通過高斯權重法與結合逐步訂正的高斯權重法的對比，說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度；在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢，同時也能較大地提高地面日氣溫的空間插值精度，說明在地形復雜的區域，地形影響在插值精度中是不可忽略的；對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變化趨勢。
  12. Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division

    同時就ofdm系統中的一些關鍵問題如峰值平均功率比（ papr ）太高，同步問題，通道估計，通道、比特與功率必須動態分配進行了研究，著重研究了通道估計問題並提出一種改進的方法，能濾除更多的噪聲分量和插值誤差，提高系統的性能；為了提高抗窄帶噪聲的性能和提高通道利用率，用malvar小波變換實現了不等帶寬分配。
  13. Research on reducing peak - to - average power ratio of mc - cdma

    降低峰值平均功率比的研究
  14. One of the major drawbacks of ofdm system is that the ofdm signal of the transmitter can have high peak - to - average power ratio ( papr ), which limits ofdm ’ s wide applications

    但是ofdm系統的一個主要缺點就是發送端的傳輸信號具有較大的峰值平均功率比（ papr ） ，這限制了ofdm技術的廣泛應用。
  15. An optimal algorithm for reducing the peak to average power ratio of ofdm signal

    信號峰值平均功率比的優化演算法
  16. Fpapv standard practice for determining a flow - proportioned average property value for a collected batch of process stream material using stream analyzer data

    利用河流分析儀數據測定收集的分批處理流動物質的流量比例平均特性值
  17. Non - destructive testing. industrial radiology. determination of the sensitivity and average contrast of image receiver systems based on radiographic film and consisting of one or two fluorometallic intensifier screens used in the energy range from 50 kev to 1, 5 mev

    無損檢驗.工業放射學.能量范圍從50kev至1 . 5mev用射線照相術底片和帶有一個或兩個熒光金屬放大器屏的圖象接收系統感光度和對比度平均值的測定
  18. This thesis researches on reducing the par of mc - cdma from two different points. on one side, this thesis studies behaviors of mc - cdma with golay complementary sequences as spreading sequences

    一方面，本文利用格雷互補序列作為mc - cdma信號的擴頻碼，有效降低其峰值平均功率比。
  19. Capacity and performance of mobile radio systems essentially depend on the choice of the multiple access scheme. a novel and promising wireless digital modulation / multiple access technique called multicarrier cdma is studied in this thesis, including reducing the peak - to - average ratio, which is one of its key techniques. mc - cdma is combination of ofdm and cdma, thus advantages of both techniques are exploited

    移動通信系統的容量和性能在很大程度上取決于多址方案的選擇，本文主要討論了在通信領域新興的擴頻多址方式一多載波cdma （ mc - cdma ） ，並對降低mc - cdma系統峰值平均功率比這一關鍵技術進行了研究。
  20. 2 within three thresholds for bilirubin absorbance ( 0. 14 > 0. 2 ( k 0. 25 ), the total, upright, supine, meal and postprandial period were analyzed with the parameters as follows, the percentage time of bilirubin absorbance threshold ( 0. 14, 0. 20 0. 25 ), reflux frequency, long reflux frequency, longest reflux time, maximum, mean and median value of absorbance. 3 the simultaneous changes of gastric ph and bilirubin absorbance value were analyzed to describe the relationship between them

    2計算0 . 14 、 0 . 20和0 . 25三個界值時膽紅素吸收值（ bilirubinabsorbance ， ba ）界值的時間百分比的均值、標準差、中位數、第25 、 75 、 95位數；總、立位、臥位、餐時和餐后等各時段ba界值的時間百分比、反流頻率、長時間反流頻率、最長反流時間以及膽紅素吸收值的最大值、平均值和中位值，以及ph 4的時間百分比，從而描述生理性dgr的發生特點。
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