無衰落的 的英文怎麼說
中文拼音 [wúshuāilàde]
無衰落的
英文
fading-free-
This prequel is set in a time when the galactic republic is on the wane and its leaders are being forced to kneel to the brutal market forces of the trade federation which has blocked shipping lines to the planet naboo
這部前傳所描述的故事發生在「銀河共和國」趨于衰落的時候,它的首腦被脅迫向「貿易聯盟」殘酷無情的市場軍隊屈服,這個聯盟阻斷了所有到達「奈布」星球的航線。9 this prequel is set in a time when the galactic republic is on the wane and its leaders are being forced to kneel to the brutal market forces of the trade federation which has blocked shipping lines to the planet naboo
這部前傳所描述的故事發生在「銀河共和國」趨于衰落的時候,它的首腦被脅迫向「貿易聯盟」殘酷無情的市場軍隊屈服,這個聯盟阻斷了所有到達「奈布」星球的航線。As a combination of ofdm with space - time coding technique, mimo - ofdm becomes more and more important in the future wireless communication systems, the mimo - ofdm system can not only effectively enhance the transmission rate and capacity of the wireless communication system but also greatly mitigate the effections of mufti - path fading and interfere
Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起,能夠大幅度的提高無線通信系統的通道容量和傳輸效率,並能有效的抵抗多徑衰落、抑制干擾和噪聲。Part i tries to track to the history of education trend of thought of anarchism in china. it includes 4 phases : introduction ( the end of 19 century - 1902 ), development ( 1902 ~ 1911 ), bloom ( 1912 ~ 1921 ), eclipse ( 1921 - 1927 ). part n analyses education ideas of the faction of china anarchism. lt includes tian yi faction, new century faction, min sheng faction, the faction of anarchical communism. part hi puts forward my evalution form there different angles. generally speaking, it had special significance in special time. even though it had many flaws, it is important for us to value education trend of thought of china anarchism
主要包括四個方面:無政府主義的產生與傳入( 19世紀下半葉1902年) ;無政府主義教育思潮的形成( 1902年1911年) ;無政府主義教育思潮的全盛( 1912年1921年) ;無政府主義教育思j兌回在a碩士字位論父wmaster 』 sthesis潮的衰落92年1927年l通過對其歷史的回眸,可以清晰地了解無政府主義教育思潮在中國各個時期的特點及發生變化的原因,揭示它的流變軌跡及其對中國教育思想影響的深度和廣度,從而使國人充分地認識和了解無政府主義教育思潮在特定的歷史時期所發揮的特殊的歷史作用。And the most advantage of ofdm is that it can convert high - rate data stream into the low - rate and reduce data bandwidth so that multi - path - fading can be transformed into flat fading in wireless circumstance
這種調制技術的最大的好處就是將高速的數據流,變換成并行的低速數據流,減小了數據帶寬,從而可將無線環境中的多徑衰落(頻率選擇性率落)轉換成平坦衰落。Their power waned, in the human realm as well as the garou
無論在狼人的領域還是人類的,他們的力量衰落了。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。Most new companies wither and die in their first few years, leaving their investors out of pocket
大多數的新公司會在誕生后的最初幾年裡衰落並走向死亡,而投資人們則血本無歸。Two years on, resentment of american hegemony is alive and well, along with a sense that it may be on the wane anyway
兩年來,兩國對美國霸權的不滿繼續強烈地存在,並感覺到無論如何這種霸權都處于逐漸衰落之中。Simulation results show that abf - csma / ca protocol can realize space - division - multiple - access ( sdma ) and provide very high channel utilization. chapter 3 considers employing smart antennas in the central access point ( cap ) of wireless internet access networks
第三章研究了智能天線在internet無線接入網路中的應用,主要考慮使用智能天線對抗同通道干擾與多徑衰落,增加覆蓋范圍,並在mac層實現智能天線與網路的有機結合。In this scheme, power control is primary to the rate control. when the fading channel changes slowly, the transmit data rate will be kept on an appropriate level, and only the power control works to keep up with the channel fading and balance the sir. but when the channel quality is poor, the data rate will be switched down without sacrificing the ber ; otherwise, high data rate was selected
我們提出的方案根據反饋的sir動態改變數據的速率和功率,其中功率控制優先於速率控制,當通道變化緩慢時,數據率保持在一個相對穩定的值上,調節發射功率來維持sir平衡;當功率調節無法彌補通道的衰落時,則通過調節速率來維持sir的平衡。For a long time, people in the west believed that greece was in poverty and illiteracy for about four hundred years after the collapse of mycenae
摘要長期以來,西方史學界認為,邁錫尼文明衰落後的四個世紀中,希臘一直處于「貧窮」 、 「無知」的狀態中。Contributions in this paper mainly sh ow four points : 1 the structure characteristic of the received ds - cdma signal is analyzed in the presence of multi - path slow fading effect case for wireless mobile communication. according to this characteristic, four data - selected schemes based on chip - matched filter are presented from the perspective of energy and structure of signal. and the impact of these schemes on multiple - access interference ( mai ) and inter - symbol interference ( isi ) is analyzed
本文的主要貢獻在於四個方面: 1 、針對無線移動通信系統中廣泛存在多徑慢衰落效應的情況,分析了ds - cdma系統中接收信號本身的結構特徵,根據這個特徵,在匹配濾波的基礎上,從能量與信號結構的角度提出了四種不同的數據採用方案,並分析了不同數據方案對多址干擾與碼間干擾的影響。This paper proposes a multiple description mesh - based motion coding method, which generates two descriptionsfor mesh - based motion by subsampling the nodes of a right - angledtriangular mesh and dividing them into two groups. motion vectorsassociated with the mesh nodes in each group are transmitted overdistinct channels
丟包由於網路阻塞路由延遲以及從高容量網路向低容量網路交換等和通道失效由於衰落效應和突發錯誤等使得在internet和無線通道上壓縮視頻數據的可靠傳輸成為新的研究課題。Performance of wireless multimedia ds - cdma diversity receiver in fading channel
無線多媒體直擴分集系統在衰落通道下的性能研究5. the detailed compare of the different topologies of receiver based on the in - depth analysis of each part of rfic. and their analysis and simulation results based on different wireless communication standards are also given
在對射頻集成電路各部分詳細分析以及無線通道衰落特性估計的基礎上,對射頻接收晶元( receiver )的不同拓撲結構進行了對比和分析。In this paper, we discuss the principle of mimo - ofdm system based on the introduction of fading channels. furthermore, the channel estimation technique in mimo - ofdm system is investigated, with the emphasis on training sequence - based and pilot - based channel estimation methods, and also several basic and improved algorithms are given respectively. finally, the analysis and comparison of these algorithms is made by computer simulation
本文在分析移動無線通道衰落特性的基礎上,闡述了mimo - ofdm系統的基本原理,並圍繞該系統中通道估計這一關鍵技術,深入研究了基於訓練序列和基於導頻符號的兩類通道估計方法,給出幾種相應的通道估計演算法以及它們的改進演算法,最後結合matlab模擬對這些演算法的有效性和可行性進行了全面地分析與比較。( 3 ) for the wireless channels subject to several types of fading existing in different time scales, the dynamics of channel conditions are decoupled into two random processes with different mathematic properties in different time scales. two algorithms in this scheme are proposed to dealing with each time scale : the resource optimizer allocates the resource to maximize the total revenue with price fairness and provide qos guarantees to applications, and the slot scheduler exploits the time variability of
( 3 )針對無線通道衰落的多時間尺度特性,將通道條件snr分解到不同時間尺度上,在不同時間尺度上針對不同的衰落特性來設計不同的演算法,完成不同的任務:在大時間尺度(幀)上進行資源分配,面向應用提供qos保證,保持應用間price公平性的情況下,尋求系統總收益utility的最大化;在小時間尺度(時隙)上進行時隙調度,利用各用戶通道容量的時變性,使各用戶獲得比平均通道條件情況下更高的吞吐量。Adaptive modulation mainly include several problem for example signal shape, channel estimation, all digital receiver and so on. since the channel referring to adaptive modulation is very hostile in wireless transmission channel, its algorithms and architectures used for the modulation and demodulation should be carefully devised and considered. designing appropriate algorithms and architectures of the adaptive modulation are main research goal of this paper to meet the need of flat fading channel and selective fading channel
自適應調制技術主要包括信號成形、通道估計和檢測、全數字接收等方面的問題,由於自適應調制所涉及的通道是非常惡劣的無線傳輸通道,其調制與解調的演算法和結構必須加以精心的設計和考慮,針對具體所假設的平衰落和選擇性衰落的無線通道情況來設計自適應調制系統的演算法和結構是本文研究的主要方向。Among the effective methods to mitigate the fading in wireless communications is transmit diversity, which can utilize the space diversity of transmit antennae to generate the receive diversity and improve the performance of the forward link
發送分集技術是對抗無線通道衰落的重要手段,它能將發送天線的空間分集轉化為接收機可以利用的分集方式,以改善前向鏈路的性能。分享友人