瑞利比 的英文怎麼說
中文拼音 [ruìlìbǐ]
瑞利比
英文
rayleigh ratio-
I said, what ' d you do with abigail and riley
我問你把艾比嘉爾和瑞利怎麼樣了？Wbo straweight champion ivan calderon, of puerto rico, celebrates after defeating challenger jose luis varela, of venezuela, at the the elias chewil coliseum in barranquilla, colombia, saturday, oct. 21, 2006. calderon won the fight by unanimous decision
伊萬.卡爾德龍，波多黎各人，正慶祝自己擊敗挑戰者委內瑞拉人路易斯.巴雷拉的勝利，比賽在哥倫比亞巴蘭奎拉舉行，彷彿是草量級，望高人指點。The treatment of rayleigh waves in general incompressible materials usually entails no greater simplicity compared to compressible solids.
一般的不可壓縮材料中的瑞利波的處理，與可壓縮團體相比，通常並不會帶來更大的簡單性。Sie hat 9 nachbarl ? nder : d ? nemark, die niederlande, die schweiz, belgien, luxemburg, frankreich, ? sterreich, die tschechische republik und polen
她有九個鄰國：丹麥、荷蘭、瑞士、比利時、盧森堡、法國、奧地利、捷克和波蘭。Christi himmelfahrt ist gesetzlicher feiertag in deutschland, der schweiz, ? sterreich sowie schweden, belgien, d ? nemark, finnland, frankreich, gr ? nland, haiti, indonesien, island, kolumbien, liechtenstein, luxemburg, madagaskar, namibia, niederlande, norwegen
這一天是德國，瑞士和奧地利的法定假日，其他國家還有瑞典，比利時，丹麥，芬蘭，法國，格林蘭，海地，印尼，冰島，哥倫比亞，列支敦斯登，盧森堡，馬達加斯加，納米比亞，荷蘭，挪威。The scatterings of minute bubbles and phase splitting drops in jun ware are computed respectively with mie scattering and rayleigh scattering in order to compare the difference of two methods by which generant mechanism of jun ware is analyzed
摘要分別用米氏散射和瑞利散射對鈞瓷內小氣泡和分相液滴的散射進行模擬計算，以對比兩種計算方法的差異。This thesis has improved the original estimation algorithm gave by mr zhou, and exended to the estimation of the snr of awgn channel and rayleigh fading channel
本文把這種演算法應用到awgn通道和單徑瑞利通道下對信噪比或通道噪聲方差進行估計。This paper can be mainly summarized in to three aspects as follows : 1. firstly, the paper analyzes the system model of mimo, derive the formulas of channel capacity for the slow flat rayleigh fading channel, analyzes two improtant facts affected the system capacity, and then via the computer simulation we compare the channel capacity between the tranditonal wireless system and mimo system
本文主要做了以下幾個方面的工作: 1 .分析了mimo系統的通道模型，理論推導了慢衰落平坦瑞利通道下mimo系統的通道容量公式，簡要分析了影響系統容量的兩個重要因素並且通過計算機模擬比較了傳統無線系統與mimo系統之間的通道容量。This method provides unequal protection for spiht bet stream with different importance, and adaptively adjusts the source and channel coding rates according to the time - varying characteristic of the channel, thus yields good performance and high reliability without adding extra bandwidth. simulations in rayleigh channel show that the scheme can obviously improve the image quality compared to eep and uep scheme, especially when the channel is in bad condition
本方法通過對spiht編碼碼流重要性的不同而進行不同程度的保護，並利用通道的時變特性自適應地調整信源和通道編碼速率，從而在不增加額外帶寬的前提下有效地提高了系統的性能和可靠性，經過計算機模擬模擬，得出了在瑞利通道中，傳輸條件惡劣的情況下，本方法比eep和uep能更好的提高重建圖像的質量。The other 20 participants in the current loan to imf are : australia, austria, belgium, canada, denmark, deutsche bundesbank, finland, france, italy, japan, kuwait, luxembourg, the netherlands, norway, singapore, spain, sveriges riksbank, swiss national bank, united kingdom, united states
這次向基金組織貸款的其他位參與者為：澳洲奧地利比利時加拿大丹麥德國央行芬蘭法國義大利日本科威特盧森堡荷蘭挪威新加坡西班牙瑞士國家銀行英國和美國。- what ' d you do with abigail and riley ? - hope these fit
-你把艾比嘉爾和瑞利怎麼樣了？ -希望這衣服合身What ' d you do with abigail and riley ? - hope these fit
你把艾比嘉爾和瑞利怎麼樣了？ -希望這衣服合身Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result
文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨機過程（ sirp ）的建模方法，針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波，運用現代譜估計演算法對其進行建模和模擬，並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該方法進行了驗證Abstract : by comparing the channel capacities hetwem orthogonal space - time block coding and multi - antenna array system over rayleigh fading channel, some capacity loss for orthogonal space - time block coding is obtained, which is a function of the code rate, the rank of channel matrix and the number of transmitter and receive antennas, although the system of orthogonal space - time block codes is simple and easy to implemented. if is also shown that there is no capacity loss only if both the code rate and the channel matrix rank are all one
文摘:在研究瑞利衰落條件下正交空時分組編碼通道容量的基礎上，將其與多發送多接收天線系統的通道容量進行了比較.比較結果表明，正交空時分組碼雖編碼簡單，易於實現，但在通道容量方面存在較大的損失，損失的程度與編碼碼率、通道矩陣的秩及收發天線數等因素有關.進一步研究表明只有當編碼碼率和通道矩陣的秩都為1時，才沒有通道容量的損失As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country
通道糾錯編碼是數字電視地面廣播傳輸系統的重要組成部分，是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多，性能各異，因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能，並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機比較演示方案，總結了不同級聯方案的性能特點，對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。The conclusion is identified by computer simulation. the paper studies a noncoherent demodulation based on differential encoding in mc - cdma system and makes computer simulation of ber performance compared with that of coherent demodulation based on perfect channel estimation
研究分析了一種使用差分編碼的非相干接收mc - cdma系統，對頻率選擇性瑞利衰落通道條件下的誤碼率性能進行了計算機模擬，並且和基於理想通道估計的相干解調方案進行了比較。When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other
得到了以下結論： 1 ）樁的相互作用因子隨頻率呈周期性變化，在振動頻率比較低的情況下，樁的橫向相互作用因子也較低，當頻率趨近於零時，相互作用因子也趨近於零； 2 ）樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化，在= 0情況下幅值最大，且隨入射角度的增加，波動的周期明顯縮短； 3 ）樁的相互作用因子的幅值隨著樁與樁間距的增加而減小，至s d = 15時，樁的相互作用因子基本趨近於0 ； 4 ）在頻率比較低時，相互作用因子幅值隨樁土相對剛度比的增加而顯著增加； 5 ）樁頂固接可以有效地降低群樁的橫向地震響應幅值，由瑞利波產生的群樁效應可以忽略不計； 6 ）群樁中不同樁位的樁的橫向地震響應是不同的，每根樁所在的樁位對其橫向地震響應有很大的影響；刀樁數的增加並不能減小樁的橫向動力響應。Excess rayleigh ratio
超瑞利比Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm
文中先介紹了海雜波幅度的有關模型，通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算，證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較，得出hh極化符合對數正態分佈，而vv極化服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析，最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈隨機序列。There are 25 member countries for the european union, namely : austria, belgium, denmark, finland, france, germany, greece, ireland, italy, luxemburg, netherlands, portugal, spain, sweden, united kingdom, cyprus, czechrepublic, estonia, hungary, latvia, lithuania, malta, poland, the slovak republic and slovenia
25個歐盟聯合國：奧地利?比利時?丹麥?芬蘭?法國?德國?希臘?愛爾蘭?義大利?盧森堡?荷蘭?葡萄牙?西班牙?瑞典?英國?賽普勒斯?捷克?愛沙尼亞?匈牙利?拉脫維亞?立陶宛?馬爾他?波蘭，斯洛伐克共和國和斯洛維尼亞。分享友人