路間頻帶 的英文怎麼說
中文拼音 [lùjiānbīndài]
路間頻帶
英文
interchannel frequency band-
Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre
5 .根據tsmc0 . 35 msigebicmos工藝模型，利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬，模擬結果顯示，在1 . 5v電源電壓下，頻率為200mhz的參考輸入信號，輸出中心頻率為800mhz ，分頻電路採用4分頻，環路帶寬為10mhz ，捕獲時間大約為0 . 92 s ，功耗大約為15mw ，達到了設計指標。Every roomer can use personal computer or notebook to contact adsl internet in greenpeak hotel. we have finished the internet hardware. our customers just take notebook and could work in theguest rooms. it is convenient for our customers to administer anything in business
大飯店已完成全館的網路硬體鋪設，顧客只要攜帶筆記型電腦，皆可以不用離開房間或飯店，就可以在房間內使用寬頻上網的設施，使國內外商務旅客皆可以享有最高的便利性，在處理商務事宜上可以同時與國內外的資訊聯絡。0. 1in connectors for frequencies below 3 mhz. part 11 : edge socket connectors with closed ends and having a contactspacing of 2. 55 mm 0. 1 in mating either with board mounted connectors or printed wiring boards with edge board contacts
頻率低於3mhz的連接器.第11部分:與印製電板裝連接器或板邊具有接觸點的印製線路板相配用的帶封閉端的觸點間距為2 . 55mmThe center frequency of the vco is 14. 14ghz with band width of more than 100mhz. the output power is 2 ~ 6mw
根據測試結果，該vco電路的中心頻率為14 . 14ghz ，調頻帶寬大於100mhz ，帶內輸出功率在2 6mw之間。Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method
其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。And i finished the layout design, chip test of line driver and equalizer in 2. 5gbps baseband copper cable transceiver and equalizer in the 1. 5gbps sata transceiver respectively. the main improvements and innovations in this thesis are as follows : 1 、 to design an analog equalizer tuned on - chip for 2. 5gbps baseband copper cable transceiver ; 2 、 to present an adaptive equalizer for 1000base - cx transceiver ; 3 、 to present an auto - gain control amplifier used in the adaptive equalizer for the 1000base - cx transceiver ; 4 、 to present an adaptive continuous - time gm - c filter in very high frequency for the adaptive equalizer for the 1000base - cx transceiver
論文主要的改進和創新有： 1 、設計了適用於2 . 5gbps基帶銅纜收發器系統片上可調的模擬均衡器電路； 2 、提出了一種新的適用於千兆以太網基帶銅纜收發器系統的自適應均衡器結構； 3 、設計了甚高頻自動增益控制放大器； 4 、設計了一種適用於千兆以太網基帶銅纜接收器均衡的自適應甚高頻連續時間gm - c二階帶通濾波器。Chapter 2 introduces the principle theory of lna, harmonic mixer, multiplier, spdt, vco and the basic design flows of the ads examples ( x - band ), the power combine technology, the millimeter - wave power amplifier mmics ’ trends nowadays
第三章介紹了毫米波前端中無源電路的設計，包括毫米波窄帶濾波器的設計、微波和中頻濾波器的設計、波導到微帶的過渡、微波信號的層間過渡。First, realized a wegener - willie distribute based network traffic anomaly detection algorithm. we make use of wegener - willie distribute to analyze the inherent time - frequency distribution characteristics of the traffic flow signal. then according to the experience of analysis on historical flow, we construct a normal flow training sample aggregation and a abnormal flow training sample aggregation
通過魏格納-威利分佈分析網路流量信號在時頻分佈上所反映出的內在特點，根據歷史流量的經驗構造正常流量和異常流量兩個訓練樣本空間，通過k最近鄰分類演算法將帶檢測流量信號的時頻分佈與訓練樣本進行比較，完成對檢測樣本的自動分類識別。Since commercial pll ic came out, phase - locked - loop frequency synthesis has become widely accepted. but when narrow frequency - step is required, the loop bandwidth has to decrease while cannot meet the demand of frequency - hopping speed
數字鎖相集成器件出現以來，鎖相式頻率合成器得到迅速發展，但是當需要窄頻率步進時，環路帶寬需要降低，致使鎖定時間變長，不能滿足快速跳頻的要求。The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。The software system provides the switch with the ability to support each user monopolize lombps bandwidth, through which the user can use vod, voip and other digital services, and it also allows the switch to support multicasting, trunk, and traffic isolation. this thesis consists of five parts. the first chapter introduces ethernet access technologies and requirements for the switches
通過軟體系統的配置，接入交換機能夠使用戶獨享10mbps帶寬，使用視頻點播、 voip等實時業務，支持組播以提高網路帶寬的利用率，支持鏈路聚合，在互連交換機的多條可用的物理鏈路間實現自動的負載均衡。By theory and practice simulation, the several types of constant envelope modulation techniques are analyzed and compared, including theirs modulation principle, phase path, the modulated wave envelope, power spectrums, error bit rate and the influence of its power spectrums of the band - limited and non - linear, etc. especially we have researched the ijf - oqpsk modulation technique, and the performance of its inter - symbol interference and time jitter free, and its strongly resisting of spectral spreading
結合理論和實驗模擬結果，分析討論了衛星通信中的各種恆包絡調制技術，對它們的調制原理，相位路徑，已調波包絡，功率譜密度，誤碼性能，以及帶限非線性通道對其功率譜的影響等方面都作了研究和比較。特別研究了ijf ? oqpsk在消除碼間干擾和定時抖動方面的性能及其優良的旁瓣特性和抑制頻譜擴展特性。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。Chinese restaurant, western restaurant, lobby bar, cafe, karaoke, shops, bathing center, chess room, billiads room, beauty salon, gymnasium, conference rooms
為適應網路科技新生活， 2000年11月，獨家接入黃山有線寬頻網，使客人在房間內可享受internet上網瀏覽vod點播廣播式電影點播等寬帶網路服務。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。Costume enterprises are in the face of a trade with obvious seasonal difference, and the costume has a region characteristic even more. its production, circulation are finished within relatively short time, and it is ordered and produced and entered, business of retreating, selling, changing is all quite frequent. as business is fast to develop and commercial network expand constantly, subdivision that intelligence divide the work and course of circulate control are problem that enterprise must face and solve
服裝企業面對的是一個具有明顯季節性差異的行業，服裝更帶有地域特點，它的生產流通都是在相對短的時間內完成的，其訂貨生產和進退銷換的業務都相當頻繁，當業務快速發展銷售網路不斷擴大，智能分工的細化流通過程的控制是企業必須面對和解決的問題。Network - to - customer installation interfaces - analog voicegrade switched access lines with network - implemented coin - operated payphone feature
網路和用戶裝置間的介面.帶網路實現投幣付費電話功能的模擬音頻轉換訪問線路Telecommunications - interface between carriers and customer installations - analog voicegrade switched access lines with distinctive alerting features
電信.載體和用戶裝置間的介面.帶區別警示功能的模擬音頻轉換訪問線路Recommended practice for information technology - telecommunications and information exchange between systems - local and metropolitan area networks - specific requirements - part 15. 2 : coexistence of wireless personal area networks with other wireless devices operating in unlicensed frequency bands
信息技術推薦規程.系統間遠程通信和信息交換.局域網和城域網.特殊要求.第15 . 2部分:無線個人網路與運行在未經許可的頻帶下的其它無線設備的共存Dsrc standard specification for telecommunications and information exchange between roadside and vehicle systems - 5 ghz band dedicated short range communications medium access control and physical layer specifications
路邊和運載工具系統間遠程通信和信息交換用標準規范. 5ghz頻帶上專用短程通信分享友人