subcarrier 中文意思是什麼
subcarrier
解釋
輔助波-
Chrominance subcarrier regenerator
色度副載波再生器 -
Chrominance subcarrier demodulation
色度副載波解調 -
Colour subcarrier interference
彩色副載波干擾 -
Colour subcarrier trap
彩色副載波陷波電路 -
Verification regulation of tv colour subcarrier frequency comparator
彩色電視副載頻校頻儀檢定規程 -
Crosstalk of colour subcarrier
彩色副載波串擾 -
Automatic subcarrier balance control
自動副載波平衡控制 -
With the constraint of subcarrier switching path, a subcarrier label assignment strategy in satellite subcarrier switching networks was proposed for unsymmetrical transmission
摘要分析了衛星通信副載波標記交換網路中網路對動態業務條件下非對稱業務傳輸的適應問題，提出了一種副載波標記劃分策略與資源分配演算法。 -
Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division
同時就ofdm系統中的一些關鍵問題如峰值平均功率比（ papr ）太高，同步問題，通道估計，通道、比特與功率必須動態分配進行了研究，著重研究了通道估計問題並提出一種改進的方法，能濾除更多的噪聲分量和插值誤差，提高系統的性能；為了提高抗窄帶噪聲的性能和提高通道利用率，用malvar小波變換實現了不等帶寬分配。 -
Based on the theory of dpll, line phase locked and color subcarrier regeneration were designed
依據數字鎖相環的基本原理，完成了行鎖相、色副載波還原電路的設計。 -
A pilot subcarrier - based joint frequency offset correction and channel estimation method for ofdm systems
系統中一種基於導頻子載波的聯合頻率偏移糾正和通道估計方法 -
It produces the i and q signals, limits their pass bands, uses them to modulate the subcarrier in a quadrature and adds the moduled subcarrier to the luminance y, blanking and synchronizing signal waveform
它首先分離出i信號和q信號，指定了它們的傳輸頻帶，並用它們對副載波進行正交調制，然後將調制過的副載波信號疊加到亮度信號y和同步信號波形上。 -
Methods of measurement on receivers for satellite broadcast transmissions in the 12 ghz band ; part 4 : electrical measurements on sound data decoder units for the digital subcarrier ntsc system
12ghz頻帶衛星廣播接收機的測量方法.第4部分: ntsc制式數字副載波系統 -
A joint frequency and space diversity scheme is presented which can reduce computational cost. 3. an adaptive bit, power and subcarrier allocation is presented
分集技術，重點介紹了一種空間頻率聯合分集接收技術，它能夠大幅度降低計算量； 3 -
It combines the advantages of ofdm and cdma. it can convert the frequency selective channel propagation of the broadband to flat channel of the subcarrier
它結合了ofdm和cdma技術的優點，能夠把寬帶頻率選擇性衰落轉化為每子載波的平坦通道。 -
Buried subcarrier encoding
埋存副載波編碼系統 -
Moreover, the subcarrier paring strategy can further enhance the system performance
通過子載波配對方案能進一步增強系統性能。 -
With mc - cdma, each data modulated chip of the user specific spreading code is mapped onto a separate subcarrier after spreading and scrambling, so that the chips of the spreading code and, hence, the data symbol is transmitted in parallel on multiple subcarriers
Mc - cdma是將多載波技術應用於cdma中，兼具cdma和ofdm這兩種技術的特點。在mc - cdma中，用戶的信息符號先經過擴頻、加擾，再將擴頻序列的碼片并行地在多個子載波上傳輸。 -
With qpsk modulation method employed in our ofdm system, there are several important parameters relating to bandwidth efficiency should be consider carefully. they are the number of subcarrier, the length of cycle prefix and the parameters of pulse shaping filer
結合qpsk調制，文中討論了建立這樣一個高帶寬效率的ofdm傳輸系統所需要著重考慮的幾個參數：子載波數目、循環前綴長度和成形濾波器的參數。
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