broadband modulation 中文意思是什麼
broadband modulation
解釋
寬帶調制- broadband : 寬帶
- 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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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。 -
Some modulation parameters, such as the carrier frequency and the symbol rate, can be estimated prior to the recognition of modulation types. such other parameters as the modulation index, the modulation frequency deviation, and the signal broadband can be further estimated after recognition
部分調制參數如載波頻率、符號速率在識別之前獲得，在識別完成之後可以進一步估計調制指數、調制頻偏、信號帶寬等其餘參數。 -
Hfc ( hybrid of fiber and coax ) network is a competitive means to support wide varieties of video, voice and data services. the thesis describes and analyzes the system framework, frequency assignment and signal modulation schemes of hfc. recently hfc and adsl are aggressive among broadband access technologies
本文對hfc網的系統結構、網路拓撲、頻譜分配方案和業務信號的調制方式等進行了詳細的闡述和分析，並且全面地比較了hfc和adsl的優缺點，總結出hfc具有較高的性價比，是我國寬帶接入網的優選方案。 -
This is by two reasons : the first, as the development of military communication technologies, it transit from digital to software implementation, intelligence, broad band implementation and network implementation. many new technologies such as adaptive frequency hopping, burst communication, broadband modulation and complex coding accelerate the research about pertinence algorithms of signal sense and signal processing. the second, three hotspots of modern signal processing - spectrum estimation, high - order statistics ( hos ) and time - frequency analysis theory become more and more consummately and being used in communication jamming and anti - jamming field
應用於軍事通信對抗的信號處理理論發展非常迅速，這得益於兩個方面的動力：其一，軍事通信的技術和手段不斷更新，在數字化的基礎上逐步走向軟體化、智能化、寬帶化和網路化，出現了自適應跳頻、突發通信、寬帶調制和復雜編碼等新的實用技術，推動了具有很強針對性的信號偵測和處理領域的演算法研究；其二，現代信號處理的三大熱點? ?譜估計、高階統計量方法、時頻分析的理論和技術日臻完善，並逐漸應用於通信對抗領域。 -
Great breakthrough has been achieved in critical technologies applied in electronic information protector, e. g. scrambling cryptographic algorithm, broadband modulation, broadband amplification, etc. with strong acquisition resistance, the protector can effectively protect the electronic information from interception
電子信息保護器，在加擾密碼演算法、寬帶調制、寬帶放大等關鍵技術上取得了重大突破，具有極強的抗徵收能力，能夠有效地保護電子信息不被徵收截取。 -
A novel scheme of laser modulation directly by microwave subcarriers in satellite broadband networks
寬帶衛星網微波副載波光調制系統方案 -
Adaptive modulation technology is one of the crucial techniques for the mobile broadband systems
自適應調制技術是移動寬帶通信系統的核心技術之一。 -
Orthogonal frequency division multiplexing ( ofdm ) is a suitable digital modulation technique for broadband systems
正交頻分復用（ ofdm ）技術是一種適用於寬帶系統的多載波數字調制技術。
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