通用接入號碼 的英文怎麼說
中文拼音 [tōngyòngjiērùháomǎ]
通用接入號碼
英文
uan universal access number- 通 : 通量詞(用於動作)
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 入 : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 碼 : Ⅰ名詞(表示數目的符號或用具) a sign or object indicating number; code Ⅱ量詞1 (指一件事或一類的...
- 通用 : be in common use; be current; apply or be used universally
- 接入 : insert; join up; switch on; cut over; turn on; switch in; reset; put in; place in; cut in; throw ...
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With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end
隨后在建立的寬帶射頻前端通用模擬平臺上,加入基帶數字調制信號,對多種數字調制格式的信號在該通用平臺上的傳輸作了研究,模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收,研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響,實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal
前端數據調制器完成對計算機輸出的控制信號加密處理,將指令碼載送到一指定頻率點。終端收費控制器解調出控制信號,送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號,送入cpu單元后,解出不授權信號,然後向關斷部分送入信號,關斷部分利用pin二極體的寬帶工作能力以及關斷特性,實現對非授權用戶或者非法用戶的信號關斷,使之不能正常收視,繳費用戶進行開通正常收視,達到控制用戶通道的管理。Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network
該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后,並設置在布防狀態。一旦有盜賊闖入防範地點,探測器立刻發射無線編碼信號,安裝在距防區150米以內的主機立即發出警笛聲報警,報警時撥打預先設定的聯網中心號碼或報警電話手機號碼,接警電話里回放用戶預錄的報警語音,遠程報警,同時通過網際網路來實時傳遞布防撤防報警等狀態,通過電腦網路來查詢歷史記錄。Therefore, blys, its receptor or related antagonists may find medical utility in the treatment of b cell disorders associated with autoimmunity, neoplasia, or immunodeficiency syndromes. in this study, epo signal peptide sequence and hsblys gene were linked by soe method. the fusion product was cloned into eukaryotic plasmids. pcdna3, pcdna3. 1, pefneo, respectively. meanwhile, the epo signal peptide sequence was mutated so as to form a restriction enzyme cut site : bin i. thus the recombinant plasmid can be used as secreting plasmid expressing other gene
本實驗通過3 』端互補,進行引物延伸合成epo信號肽序列:信號肽和hsblys基因採用重疊延伸拼接法形成融合基因;融合基因分別插入pcdna3 . 0 、 pcdna3 . 1 、 pefneo真核載體:引物延伸合成信號肽時,利用亮氨酸同義密碼,將信號肽基因的倒數第二個密碼突變,在重組載體上的信號肽序列之後,形成bln酶切位點,使三種載體成為分泌表達載體。And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion
論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。When roaming, additional savings may be obtained by directing the call to a local phone number, avoiding incoming call charges
漫遊時,通過直接撥打地方電話號碼有時可以額外地節省,避免了打入電話的費用。The whole system is divided into several modules and each module is connected by signals, which based on the arithmetic of spwm and the requirement of design. the module design is to design inner circuit structure of each module and uses verilog language to code the synthesizable and reusable code. the functional stimulation uses the nc - verilog of cadence
系統設計是基於spwm的實現演算法和設計指標要求,對系統劃分模塊和對各個模塊進行信號連接;模塊設計是設計每個模塊內部電路結構,並用verilog語言編寫可綜合可復用代碼;功能模擬使用的工具是cadence的nc _ verilog ,首先對每個模塊進行功能模擬,模擬通過之後,把所有模塊代碼組合在一起,構成整個系統代碼,在外部輸入埠加激勵,對整個系統進行功能模擬。The main process includes following : system design, module design, function simulation, time simulation and hardware verification. the whole system is divided into several modules and each module is connected by signals, which based on the arithmetic of uart and the requirement of design. the module design is to design inner circuit structure of each module and uses verilog language to code the code
系統設計是基於uart的實現演算法和設計指標要求,對系統劃分模塊以及各個模塊的信號連接;模塊設計是設計出每個模塊的功能,並用verilog一hdl語言編寫代碼來實現模塊功能;功能模擬和時序模擬使用的工具是以dence的nc _ veri109 ,首先對系統的每個模塊進行功能和時序模擬,模擬通過之後,將整個系統的代碼在外部的輸入埠加上激勵,對整個系統進行功能和時序模擬;硬體驗證是用fpga對系統進行了功能驗證。Ofta s work in this aspect includes licensing and regulation of services ; setting equipment and network connection standards ; type - approving telecommunications equipment ; administering the numbering plan ; handling issues concerning access to land and provision of physical facilities for the installation of networks, including the co - ordination of access to buildings by operators and laying of ducts for telecommunication cables in public roads ; and handling and investigating consumer complaints pertaining to suspected breach of provisions in the telecommunications ordinance and licence conditions
包括規管電訊服務及簽發牌照、制定電訊器材及網路接駁的標準、檢定無線電器材類型、管理電訊服務號碼計劃、處理有關進入土地和提供有形設施作網路裝設用途的事宜,包括協調營辦商進入樓宇及在公用道路為通訊電纜鋪設管道,以及處理和調查與涉嫌違反《電訊條例》和發牌條款有關的消費者投訴。Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method
傳統檢測器(單用戶匹配濾波)利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中,通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應,使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機,有效控制接收信號的能量,從而極大地提高了接收機的抗遠近性能,同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性By the tuner, the dvb - t signal received has been converted to the if signal, and then demodulated by the cofdm demodulation chip. in the end, the usb controller sends the ts ( transport stream ) to the pc where it is decoded by the software
接收到的dvb - t信號經調諧器進行下變頻處理后輸出中頻信號,再進行cofdm (編碼正交頻分復用)解調,得到的ts碼流信號通過usb控制器送入pc機中進行軟體解碼播放。This novel transmit diversity technique, which combines channel coding, modulation and signal processing at receive terminal, can make full use of the fading multi - path in the wireless communication systems so as to mitigate the signal attenuation. this technique is mainly designed to combat channel fading in downlink transmission by combining the technique of channel coding and that of array diversity, hence increasing the capacity of wireless communications systems and giving diversity gain and coding gain to them
基於多輸入輸出( mimo )的空時編碼技術是實現未來帶寬資源日益緊張的高速無線數據通信系統的重要技術,它結合了通道編碼、調制和接收端的信號處理,能夠充分利用無線通信通道中多散射體環境所造成的多徑,從而提供信號的抗衰落性能。You can copy and paste the above three lines of code and place them within your html source code ; simply type in your web site ' s title, a description ( or summary ) of your web site, and keywords, usually separated by commas
你可以直接復制上述標簽,然後粘貼到html編碼中;鍵入網站標題、網站說明(摘要)以及關鍵詞,通常用逗號隔開。If residents encounter the related interference during the period of dtt test transmission, the relevant units should consider re - tuning the channels to other unused channels in the ibccds or replacing the rf output by audio - visual ( av ) inputoutput connection method, etc. residents should also report to their building management office for adjustment of reception
于數碼地面電視廣播訊號發射測試期間,如出現干擾情況,有關單位應重新調校大廈內同軸電纜系統中其他未被使用的頻道,或將射頻( rf )輸出改為聲頻-視訊( av )輸入輸出接駁方法;受影響的居民亦可透過其大廈管理處通知上述有關單位作出調校。分享友人