optimum bandwidth 中文意思是什麼
optimum bandwidth
解釋
最佳帶寬-
Design a kind of sub - optimum digital prefilter. through the simulation of timing recovery loop which is n ' t added prefilter and which is added prefilter, discuss the convergence characteristic and compare the relation between timing jitter and signal to noise ratio, the relation between timing jitter and noise bandwidth of loop, the relation between symbol error ratio and signal to noise ratio
通過對加預濾波器后的定時恢復環的模擬，討論了環路的收斂情況，比較了所設計的數字預濾波器和無預濾波器時環路定時抖動與信噪比、定時抖動與環路噪聲帶寬、誤碼率與信噪比的數量關系，證實所設計的數字預濾波器對減少定時抖動非常有效。 -
Considering the bandwidth efficiency, the error rate performance and the complexity for realization together, we construct a digital transmission system with single - carrier modulation technique using the optimum premodulation filter. then the system parameters and performance indexes are prensent
綜合考慮帶寬效率、誤碼性能和實現復雜程度以後，構建出基於單載波調制技術的無線數字傳輸系統，並給出系統參數和性能指標。 -
The vertical delay stacked source obtains optimum matching with wall rock by controlling the charge mode and the excitation velocity, and maximum utilizes its energy. thus the seismic signal with the high frequency abundance and frequency bandwidth wide be obtained
垂直延遲迭加震源通過控制裝藥方式和控制炸藥速度來達到與圍巖的最佳匹配，最大限度的利用其激發的能量，激發出高頻成份豐富、頻帶寬、高頻能量高的地震信號。 -
The beam steering theory is studied to solve the problem that we can not get wider 3db bragg bandwidth and high diffraction efficiency at the same time in the optimum design of ln anisotropic acousto - optic deflector ( aod ) which is a crucial issue in the process to design an ao deflector. based upon the study of the unit cell structure of ln, the acoustic property and the optical property and the acousto - optic property are analyzed and presented
以最根本的鈮酸鋰晶體晶胞結構為出發點對鈮酸鋰晶體的聲學、光學以及聲光性質進行了推導和描述。並以此為基礎利用克里斯托夫方程計算鈮酸鋰晶體中分別在xoz與yoz聲光互作用平面上的本徵速度與聲離軸角之間的關系，並給出倒速度曲線。 -
And the parameter data and the figures have not been calculated ever. compared with the performance curves of the primary aod, the aod with the optimum design shows great capacity : at the extreme point of bragg diffration the optimized one obtain a 2. 4 times wilder relative 3db bragg bandwidth than the primary one ; and with the same relative 3db bragg bandwidth which is 0. 67, the optimized aod has a relative 2 times of the the primary aod
用圖示的方法將優化設計后的曲線與非跟蹤的曲線進行對比，在進入布拉格衍射區的臨界點處經優化設計的器件相對帶寬達到非跟蹤器件的相對帶寬的2 . 4倍;在相對帶寬? f = 0 . 67的情況下，經優化設計的器件相對長度是非跟蹤器件相對長度的2倍。 -
Because of its wide bandwidth, small scale and high secrecy, space - to - ground optical communications becomes the optimum solution for space to ground information transfer. it has important meaning and promising prospect
空-地光通信系統以其容量大、體積小、保密性高等優勢，正適合替代微波作為空-地信息傳輸瓶頸問題的最佳解決方案，具有重大的意義和良好的應用前景。
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