carrier modulation 中文意思是什麼
carrier modulation
解釋
載波調制- carrier : n 1 運送人,搬夫;負荷者;使役,〈美國〉信差,郵遞員;送報人;〈英國〉運輸行,運輸業者。2 傳書鴿...
- modulation : n 調整,調節;(聲調的)抑揚,變化;【音樂】轉調,變調;【無線電】調制。 amplitude modulation 振...
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Telephony using amplitude modulation single sideband full carrier
單邊帶全載波調幅電話系統 -
This system of modifying the carrier waves is called "amplitude modulation, " or "am".
這個改變載波的系統稱為「振幅調制」或縮寫為「AM」。 -
This system of modifying the carrier waves is called " amplitude modulation, " or " am "
這個改變載波的系統稱為「振幅調制」或縮寫為「 am 」 。 -
This thesis focuses on the performance of complete complementary keying modulation and multi - carrier cdma architecture based on complete complementary codes ( ccc - cdma )
本文主要研究了基於互補碼擴頻的cck調制性能和基於完全互補碼擴頻的多載波cdma系統性能,主要工作可以分為以下幾個部分。 -
To avoid excessive transmission distortion, the bandwidth between transmitter and receiver must be at least twice that with digital carrier modulation
為避免過量的傳輸失真,發射機與接收機之間的帶寬至少要兩倍于數字載波調制的帶寬 -
Channel equalization for ieee 802. 16 single - carrier modulation systems
16單載波調制系統的通道均衡技術 -
Controlled carrier modulation
可控載波調制 -
One way to construct this system base on single - carrier modulation technique
建立該系統的一種方式是基於單載波調制技術。 -
Orthogonal frequency division multiplexing ( ofdm ) is a multi - carrier modulation method
正交頻分多路復用是一種多載波調制技術。 -
Mc - cdma is a multi - carrier modulation method presented for broadband mobile communications
Mc - cdma是為寬帶移動通信而提出的新型多載波調制技術。 -
Mcm distribution automation using distribution line carrier systems - lower layer profiles - multi - carrier modulation profile
使用配線配電線路載波系統的配電自動化.低層輪廓.多載波調制 -
Mcm distribution automation using distribution line carrier systems - part 5 - 4 : lower layer profilers - multi - carrier modulation profile
採用配電線載波的配電自動化第5 - 4部分:低層協議集多載波調制 -
Mcm distribution automation using distribution line carrier systems - part 5 - 4 : lower layer profiles - multi - carrier modulation profile
使用分配線載波系統的分配自動化.第5 - 4部分:低層輪廓.多載波調制 -
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。 -
In the view of stochastic resonance ( sr ) and signal processing, parameter - turning sr ( psr ) theory and method is proposed and the characteristics of bistable systems are studied. the applications of psr in multi - frequency analog signal processing, digital baseband pulse - amplitude modulation signal transmission and digital carrier modulation signal transmission are investigated. this thesis has also introduced the concepts of parameter - adaptive sr and array - induced sr
本文主要從隨機共振物理力學機理與信號處理的角度,研究了非線性雙穩態系統的數字特徵,提出了參數調節隨機共振( psr )理論和方法,並將這一理論應用到多頻模擬信號處理、數字基帶信號傳輸和數字載波調制信號傳輸中,引入了參數自適應隨機共振和陣列隨機共振系統的概念。 -
As an implementing method of multi - carrier modulation ( mcm ), discrete multi - tone ( dmt ) modulation uses inverse discrete fourier transform ( idft ) vector as its modulating vector, and discrete " fourier transibrm ( dft ) vector as its demodulating vector, and the process of modulating and demodulating can be realized by using their fast calculating method
作為多載波調制的一種實現形式,離散多音頻( dmt )調制分別採用逆傅立葉變換矢量和傅立葉變換矢量作為調制矢量和解調矢量,從而調制和解調過程可以利用這兩種變換的快速演算法實現。 -
Ofdm signals have efficient spectral bandwidth, and the performance of the ofdm system against multipath fading is better than that of the single carrier modulation system
此項技術具有較高的頻帶利用率,並且與單載波調制技術相比可以更為有效的對抗無線通道中的多徑干擾。 -
Comparison between ofdm and single carrier modulation with frequency domain equalization base on the jake channel model
最後分別就兩種自適應均衡演算法 -
Orthogonal frequency division multiplexing is an effective multi - carrier modulation technique, in which synchronization is one the key ingredients
而同步技術是ofdm系統實現的關鍵技術之一。 -
The principles of adaptive star - qam and the optimum constellation of star qam are given. in adaptive single - carrier modulation, a blind modulation detection algorithm based on higher order cumulants ( hoc ) for aqam and apsk is proposed. the excellent detection performance of algorithm is evaluated in gaussian and narrow - band rayleigh fading channel
對自適應單載波和多載波調制中的調制方式盲檢測演算法進行了研究;在自適應單載波調制中,研究了窄帶通道下的aqam調制原理和aqam調制最佳星座圖結構;在rayleigh通道下和高斯通道下,提出一種基於高階累積量的aqam和adpsk調制方式盲檢測演算法,演算法具有良好的檢測性能。
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