捕獲帶寬 的英文怎麼說
中文拼音 [bǔhuòdàikuān]
捕獲帶寬
英文
acquisition bandwidth-
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。The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively
建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。Based on research and experiments, we effectively improved the s - band tt & c transponder for satellite in such dimensions : with sensitivity up to - 92dbm ; dynamic range wider than 55db ; capture bandwidth of the receiver wider than 500khz ; capture time reduced to 22ms
通過論文工作，成功地改進了川于衛星的s波段測控通信一體機，跟蹤和捕獲接收靈敏度都能達到一92dbm ，動態范圍55db以上，接收機的捕捉帶寬大於500khz ，捕捉時問減小到22ms 。The laser acquisition, pointing and tracking ( apt ) technology of high precision and large band - width is the key technology of space laser communication
高精度、寬帶寬的激光捕獲、對準和跟蹤技術（簡稱apt ）是空間激光通信的一個關鍵技術。An improved particle swarm optimization algorithm
基於導頻的超寬帶信號捕獲和定時同步演算法It is necessary that the receiver tracks the acquired signals steadily and credibly to ensure the successful demodulation process. in this thesis, an improved tracking loop design method is presented which adopts self - adaptation parameters and varied bandwidth tracking technique to adapt to the input signals, and improves the acquisition and tracking performance
接收機穩定可靠地跟蹤被捕獲信號保證成功解調是必要的，本文介紹一種改善的鎖相環設計方法，這種方法採用自適應參數和變帶寬跟蹤技術來調整輸入信號改善捕獲和跟蹤性能。In this paper, the streaming media technology applied to network video monitor system are researched on the basis of video streaming. the emphases are put on system design, video captures and play, and the design of network transmission module and relevant software development method. in fact, uality of service of the network has unstable characteristics, we have analyzed qos guarantee strategy in video streaming transmission on network, and presents a integrated qos guarantee scheme which based on data encapsulation, buffer storage technology and congestion control on network. this scheme do its best to avoid the big delay or congestion on network based on make full use of network bandwidth, which can guarantee the best qos of the video transmission
重點討論了系統架構、視頻捕獲和播放、網路傳輸模塊設計以及相關軟體開發方法。同時，針對實際網路中存在的服務不穩定性特點，分析了視頻流在網路傳輸過程中的qos保證技術，並在系統中提出了基於數據封裝、緩存技術以及網路擁塞控制機制的綜合qos解決方案。該方案使系統在充分利用網路帶寬的情況下最大程度上避免出現大的延遲或擁塞，保證了視頻傳輸的最佳服務質量。分享友人