頻道帶寬 的英文怎麼說
中文拼音 [bīndàodàikuān]
頻道帶寬
英文
channel bandwidth-
Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed
摘要針對跳頻接收機的體制和靈敏度、動態范圍、瞬時工作帶寬、測頻精度等設計參數，通過改變預選器組成、本振頻率和本振帶寬，分析接收通道的中頻選取原則，以實現跳頻接收機的互調抑制設計。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。Individually controlled air conditioning heating, broadband internet service mini bar, colour tv with satellite channel and pay tv system, luxurious bath and shower, free tea and coffee, smoking alarm system, emergency control panel for lights, radio and tv, emergency exist and in - room safety deposit boxes
客房內設有寬帶網客用保險箱和留言服務可向您提供中英日泰多國語言共二十二個頻道的衛星電視， hbo衛視央視三套電影頻道及vod電視點播節目。In packet based wireless video communications, when best band distribution, not only source distortion should be considered, but also channel distortion caused by channel errors. the existing macroblock - layer rate control schemes calculates quantization parameters of all macroblocks ( mb ) in a frame in a raster scan order, and then encodes the mbs in the same order. actually, the quantization distortion is heavily dependent upon the coding order of mbs
在基於包的無線視頻傳輸中，最佳帶寬分配時，不僅要考慮信源編碼失真，也要考慮由於通道差錯引起的通道失真；已有的宏塊層碼率控制演算法以矩陣掃描的順序計算一幀中所有宏塊的量化參數，事實上量化失真與宏塊的編碼順序有很大關系，改變宏塊的編碼順序，使復雜的宏塊分配到更多的比特數，顯然能大大提高編碼效率。The hotel owns 328 modern and elegant rooms and all the rooms have internet connector, international satellite tv channels, national international phone, in - room safe and mini - bar
所有客房和套房均配有辦公桌及數據介面，寬帶網際網路介面多個國際衛星電視頻道國內國際長途直撥電話室內電子保險箱和豐富的迷你吧。The hotel has after designs devotedly, the elegant pleasant guest room and the anteroom, provide the high tech the commerce, the entertainment system wide band connection, language mailbox, international long - distance direct dialing telephone, international satellite tv channel and so on as well as the upscale comfortable furniture and the health bath facility, with ease causes the commercial passenger to be joyful, takes vacation the passenger comfortablely to ramble
酒店擁有經悉心設計，典雅宜人的客房和套房，均配備高科技的商務娛樂系統寬帶介面語言信箱國際長途直撥電話國際衛星電視頻道等以及高檔舒適的傢具和衛浴設施，使商務旅客輕松愉悅，度假旅客自在逍遙。The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out
本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上，對系統中通道的幾個關鍵技術進行了詳盡的研究，主要分為三個方面: 1 ，提出並研製了新型的片式環形磁感應天線，並對傳輸能量載波的天線的近場互感特性進行了分析，得到互感效率隨天線的周長大小以及導帶寬度的變化規律，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。In the guest rooms or suites, there are many advanced facilities including multi - language satellite tv channels, board band internet access, mini bar, advanced private bathroom and balcony with great mountain views or city views
客房內設施先進備，其中包括了多種語言的衛星電視頻道寬帶網際網路介面迷你酒吧先進的獨立浴室等等配套設施。每個房間配有觀景陽臺，俯瞰鳳凰城的燈火闌珊，領略鳳凰山的翠湖勝景，盡享尊貴豪華。In the new century, all of our staff are looking forward to welcome you with high quality service ! the new century hotel is located near the beautiful xuanwu lake and railway station. it is a 10 minute walk to the international exhibition center, 2 minutes to nanjing railway station, and 40 minutes driving to lukou international airport
酒店314間套各式湖景客房，裝修豪華裝飾典雅，可收看cnn hbo家庭電影頻道衛視電影臺等35套國內國際衛星頻道，並配備vod數字點播系統及ddn寬帶網路，您可通過網路高速專線或wlan無線上網直接進入internet ，盡情享受沖浪的樂趣和網上電子商務活動的便捷。Air - conditioning, ddd idd, voice - mail, refrigerator, mini - bar, in - room safety boxes, sauna and steam bath, bowling center, tennis court, gym, massage, indoor swimming pool, billiard room, disco
每間客房均設有國際衛星電視頻道寬帶接入國際國內直撥電話語言信箱冰箱迷你吧電吹風私人保險箱和電熱水壺等。To make itself compatible the transmission mode of the conventional catv system, the bandwidth of hfc system is divided into many 8mhz channels, which include downstream and upstream channels
為了兼容傳統的有線電視傳輸模式， hfc網路帶寬首先被頻分為若干個8mhz的頻道，這些頻道被統一劃分為下行和上行通道。It supports 32mbps of data rate in an 8mhz television channel, and provides functions of assigning band via channel and sub - channel, adjusting program transfer rate by software
在一個8mhz的電視頻道內支持32mbps的數據傳輸速率，同時在硬體上通過頻道和子頻道進行帶寬分配、軟體上可以實現按節目進行速率調整。Moreover, the density of nano - hexa - ferrites was reduced, so they are very easily to be applied. the purpose of this paper is to synthesize nano - hexa - ferrites. comparision with normal materials, nano - materials have special performance because of their special surface effect, volume effect, and quantum effect
納米粒子由於具有特殊的表面效應、體積效應、量子隧道效應，表現出與常規材料不同的物理化學性質，對納米吸波材料而言，其具有極好的吸波特性，同時具備吸波頻帶寬、兼容性好、質量輕和厚度薄等特點。The millimeter wave diplexers used in the ka - band satellite communications are investigated. these diplexers are of high working frequency, narrow passband and high selectivity, which demands the channel filters good performance
所研究的毫米波雙工器工作頻率高（接近40ghz ） ，收發通道帶寬窄、接收頻率和發射頻率間隔很小。In order to keep the signal transmission unfailing, bch error - correcting code is applied in the system. this kind of system does n ' t affect the application television broadcasting normally and does n ' t increase video signal bandwidth additionally. it optimizes the transmission circuit for control signals and solves the problem of time - delaying, thereby it promotes the transmission more efficiently and economically
這種新型的應用電視在不影響電視正常播放和不增加電視傳輸帶寬的前提下，將控制信號搭載在視頻信號通道上運行，優化了控制信號傳輸線路，解決了時延問題，達到了利用電視信號逆程資源的目的，真正意義上實現了單纜傳輸監控系統，促進了監控系統的高效化和經濟化。5 more channels are available in the same frequency spectrum when compared with fm transmissions
在同寬度的頻帶上， dab可提供的頻道遠較fm多。For medium or long distance underwater acoustic communication, the narrow bandwidth and low carrier frequency only supports low bit - rate signal transmission
對于中、遠距離的水聲通信而言，水聲通道的窄帶寬、低載波頻率特性只能支持較低的信息傳輸速率。With the characteristics of large ambient noise, very narrow bandwidth, low carrier frequency, great propagation latency and time - space - frequency variant multipath effect ( mpe ), the stochastic ocean channel has demonstrated the greatest complexity and difficulty for underwater acoustic wireless communications. among them multipath effect ( mpe ) is the most difficult obstacle that results in signal fading and inter - symbol interference ( isi )
但是噪聲高、帶寬窄、載波頻率低、傳輸時延大、多途徑效應隨時間?空間?頻率變化等通道特性都會給有效、可靠的水聲通信帶來很大的麻煩，其中多途徑效應是最主要的困擾因素，它會導致信號幅度衰落和碼間干擾。This subject aim at designing a series of several octaves band and low noise figure middle power mini - package amplifer which frequency include 1 - 8ghz 、 1 - 18 ghz and 5 - 10ghz band, using non - packaged gaas phemt and mic technology, under the basic of analyzing and searching broadband matching technology
本文所報道的系列微波放大器具有多倍頻程帶寬、低噪聲、中功率、微封裝等特性，工作頻段包括1 - 8ghz 、 1 - 18ghz 、以及5 - 10ghz 。In wireless digital transmissions, due to the delay dispersion of the transmitted symbols and the limitation of channel bandwidth, the channel may induce inter - symbol interference ( isi ), which results the frequency selective fading
在無線數字傳輸中，由於時延擴展和通道帶寬限制，引起碼間串擾，產生頻率選擇性衰落。分享友人