S - shortwave 中文

shortwave n. 短波；短波無線電發射機。2.vt. 用短波無線電發...

shorty
This paper researches the integrating application of adaptive antenna array technology , spread - spectrum communication technology and transform - domain filter technology in shortwave communication area , basing on the background of improving on the shortwave communication equipments being used in chinese army , and all the key techniques mentioned above are implemented in a single fpga chip 本文以改造我軍現役短波通信設備為背景,研究了自適應天線陣技術、擴頻通信技術、變換域濾波技術等多種現代數字信號處理技術在短波通信中的綜合應用,并以單片超大規模fpga芯片為硬件處理平臺,對系統中的關鍵技術進行了設計與實現。
Shortwave channel is time varying transmission channel . it has dispersion in frequency and time domains . this characteristics hinds the data transmi - ssion at high speed and the correction of received data . in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel , established the model of shortwave channel and simulated the rayl eigh fading distribution . the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath 在短波通信中，由于信道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，后者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波信道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合并技術的特點。
These include the well - known am , fm , shortwave and citizens bands and vhf and uhf television channels , as well as hundreds of less familiar bands that serve cellular and cordless telephones , gps trackers , air traffic control radars , security alarms , radio - controlled toys and the like [ see box on page 71 ] 這些頻率包括眾所周知的am 、 fm 、短波、民用頻帶， vhf和uhf電視頻道，以及數百個較不為人知的頻帶，供行動電話、家用無線電話、 gps追蹤系統、航空管制雷達、安全警示與無線電遙控玩具等使用（見85頁無線電頻譜）。
The result of computer simulation has showed the adaptive algorithm can quickly tracing the change of shortwave channel and constrain from the affection of noise . the combination of ds - spreading spectrum technology with adaptive rake tech - nology can reduce ber of data transimission and raise the transmitted speed 從仿真的結果表明：自適應算法能夠很好地跟蹤信道變化，抑制干擾噪聲的影響；在短波通信中，運用直擴技術和自適應rake技術不僅能夠降低系統的誤碼率，而且能夠提高信息傳輸速率。
It ' s briefly demonstrated that the overall plan of the close range shortwave marine communication system , which including format of radio propagation , operation frequency , communication architecture , main parameters and the sampling part of receiver 以水下作戰平臺對母艦的短波通信為背景，對海上近距短波通信系統的總體方案進行初步論證。其中包括電波傳播形式的論證、工作頻段的選擇、通信體制的選擇、接收機總體指標以及接收機采樣部分技術論證。
I have introduced the technology of diversity and conventional rake technology . the main contribution of the dissrtation is that i have applied the better adaptive rake algorithm to shortwave channel . the algorithm has less computation and more quick ability to trace channel 本文在短波信道上運用了一種自適應rake合并方法，提高分集增益；分析了三種自適應算法的特點，仿真比較了它們的收斂速度和收斂精度。
Detection performance and anti - jamming capability of phase - coded radar are also analyzed in this paper . the computer simulation shows that phase - coded radar has better property of suppressing jamming such as shortwave , gauss noise and binary phase code than lfm radar 本文還分析了相位編碼雷達的檢測性能和抗干擾能力，仿真結果顯示相位編碼雷達抗短波、高斯白噪聲、二相碼等干擾的能力優于線性調頻雷達。
The physical simulation of shortwave channel enables researchers to simulate particular channel environment in the lab , which is beneficial to the research and test of shortwave communication system . thus it has marvelous value of application 短波信道的物理仿真,使人們可以在實驗室里仿真特定的信道環境,從而有助于短波通信系統的研究和測試,具有重要的應用價值。
As an key technology of shortwave automatic radio , automatic link establishment ( ale ) system features with functions such as channel real time evaluation technique , link establishment , signal and graph transfer and so on Ale （自動鏈路建立）技術作為短波自適應電臺的一個最重要的關鍵技術，其基本特征有實時信道探測、鏈路建立、信令及報文傳輸等。
In modern shortwave communication , the length of signal existence time in single channel is very short for reducing the probability of being intercepted , thus the difficulty of signal detection and extraction increased 摘要在現代短波通信中，作為低截獲率通信手段之一，單個信道內信號持續時間大大縮短，從而增加了信號檢測與提取的難度。
When the shortwave broadcast ended , i looked up cri ' s home page on the web and impulsively sent off an email , asking if they would be interested in having me voice train their chinese broadcasters 在短波廣播結束后，我打開了中國國際廣播電臺的網站主頁，不由自主地發了一封電子郵件，詢問他們是否有興趣讓我語音培訓他們的中國廣播員。
When the shortwave broadcast ended , i looked up cri ' s home page on the web and impulsively sent off an email , asking if they would be interested in having me voice train their chinese broadcasters 當短波廣播結束后，我查看了中國國際廣播的主頁，并發了一封郵件給他們，問他們是否感興趣讓我為他們的播音員進行聲音嬌正培訓。
On october 30 , 2004 , swissinfoswiss radio international ( sri ) ceased all shortwave and satellite broadcasts in english , german , french , italian and arabic 從2004年10月30日起， swissinfo瑞士國際廣播電臺停止了所有的短波和衛星廣播。在此之前，瑞士國際廣播電臺曾使用德語、法語、意大利語、英語和阿拉伯語播放節目。
When the shortwave broadcast ended , i looked up cri ' s home page on the web and impulsively sent off an email , asking if they would be interested in having me voice train their chinese broadcasters 廣播結束后，我上網瀏覽了國際廣播電臺的主頁，并頭腦發熱地給他們發了一封電子郵件，問他們想不想讓我來培訓他們的播音員。
Satellite radio can lead one to develop an insatiable desire for all kinds of unfamiliar music and talk , in the way shortwave radio opened up new worlds for listeners in the past 衛星廣播可以吸引人們對各類不熟悉的音樂與談話節目產生貪得無厭的欲望，就如同過去短波收音機為聽眾打造出全新的世界一樣。
Bbc world service is the world biggest network 140 million listeners across the globe broadcasting in 44 languages heard on shortwave , median wave , fm and satellite 英國廣播公司國際廣播電臺是世界上最大的廣播網，在全球擁有一億四千萬聽眾，可以通過短波、中波、調頻和衛星收聽以44種語言廣播的節目。
The theory and the methods of study antenna were discussed in detail and combined with some conditions of the ma60 aircraft , illuminating the development plan of the shortwave antenna 詳細地討論了天線研究理論和方法，結合ma60飛機的實際情況，論證了短波電臺隱蔽式天線的研制方案。
Radio australia , the international shortwave service of the abc provides authority of reporting of regional and australia affairs to audience of 50 million 澳大利亞國際廣播電臺是澳大利亞廣播公司的國際短波電臺，這家電臺就地區新聞和澳大利亞時事進行權威性報道，聽眾達5000萬。
The cloud shortwave radiative forcing was studied by using gms satellite data and the routine data in the typical 9 stations in the paper 本文利用gms衛星資料和常規資料研究云對輻射的作用，對中國大陸地區比較有代表性的九個站點夏季每日08 、 09 、 10時的短波云輻射強迫進行了研究。

名稱
說明
信箱
電話
圖片	移動背景圖固定背景圖重製上傳圖片

shortwave

shortwave n. 短波；短波無線電發射機。2.vt. 用短波無線電發...

shorty