頻帶擴展系數 的英文怎麼說
中文拼音 [bīndàikuòzhǎnxìshǔ]
頻帶擴展系數
英文
band expansion factor-
With the high accurate transfer function it is possible to design frequency characteristic compensator to eliminate the mechanic resonance frequency characteristic of the control object. the fast steering mirror system closed bandwidth is no longer restricted by the mechanic resonance frequency and the closed bandwidth is expanded effectively
在獲得對象的高精度傳遞函數以後,使用零極點對消的方法補償系統的機械諧振,有效地擴展了快速控制反射鏡系統的帶寬,使快速控制反射鏡系統的閉環帶寬不再受制於系統的開環諧振頻率。That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time
該軟體的測試部分主要用於完成對示波器掃描時間系數、擴展掃描時間系數、 t時間測量、 v電壓測量、垂直偏轉系數、頻帶寬度、校準信號、脈沖瞬態響應、掃描線性誤差時等參數的測試檢定任務,並對測試結果進行及時的分析和判斷,由於界面清晰,而且對測試過程中由於用戶的誤操作都有及時的錯誤提示,使得整個測試過程簡單易行,對于用戶來講掌握起來也更為方便些。To extend the results, a total system utility model for avm systems is presented in this thesis. and an extendable, hierarchically distributed solution is also proposed, by which we can figure out optimally the bandwidth, the layer number, and the layer rates for each session
針對這一問題,本文分析和歸納了自適應視頻組播應用系統整體效能模型,以整體效能最大化為目標,提出了一個可擴展的層次化分佈求解方法,可獲得視頻組播應用系統中各個會話的優化帶寬、優化的分層數量和各層次優化的發送速率。Enhanced variable rate codec speech service option 3 for wideband spread spectrum digital systems
寬帶頻譜擴展數字系統用增強的可變率編譯碼器語音服務選擇3Evrc 3 software distribution for tia - 127 - a - enhanced variable rate codec speech service option 3 for wideband spread spectrum digital systems
Tia - 127 - a的軟體配置.寬帶頻譜擴展數字系統用增強的可變率編譯碼器Based on the analysis of image wavelet transformation and the space / frequency distributing characteristics of different subbands " coefficients, this dissertation fully exploits the following theories and methods : scalar quantization, vector quantization, trellis coded quantization, trellis coded vector quantization, vector classification, codebook expansion and weighted mean square error rule basing mankind visual characteristics, etc. from different angles of information amalgamation, it develops several innovative algorithms of image compression and coding, gives their realization schemes, and makes plentiful simulation tests
本文在分析了圖像小波變換的原理和子帶系數空間及頻率分佈特點的基礎上,充分利用標量量化、矢量量化、網格編碼量化、網格編碼矢量量化、矢量分類、碼書擴展和基於人眼視覺特性的加權均方誤差準則等思想和方法,從信息融合的不同角度展開了對小波圖像的壓縮編碼研究,同時也討論了這些方法在靜止圖像量化中的具體應用。Space - time coding technology is based on multi - elements antenna array and has strong points of both time processing and space processing. it can satisfy the requirements of high data rate transmission in the future radio mobile system without the increase of the transmitting power and the spread of the frequency. and it can greatly improve the quality of communication services and system capacity under fading channels
空時編碼技術是一種利用多天線陣發送和接收的技術,該技術能很好地結合時間處理技術和空間處理技術的特點,能在不增大發射功率和不擴展頻帶的前提下滿足未來無線移動通信對高數據率傳輸的要求,從而全面提高衰落通道的通信質量和通信系統容量。分享友人