
[通信] 無線通信
Small wireless communication devices are in demand, therefore, efficient use of space is beneficial.
小的無線通信設備是需要的,因此,空間的有效使用是有益的。
Its application to the multi-point network means the combination of networks and wireless communication.
而其在點到多點的網絡應用,将成為網絡與無線通信的結合點。
Someone believes that it will reform the area of short range wireless communication and will be one of the main technology in the area.
有人稱它為無線電領域的一次革命性進展,認為它将成為未來短距離無線通信的主流技術。
The software radios technology is a new design idea and frame for wireless communication , and being a breakthrough for the key technology on the field.
軟件無線電技術是近年來出現的新的無線通信設計思想與框架,是無線通信領域的一項突破性關鍵技術。
The application of the wireless communication technology becomes the focus of research with the development of computer and communication technology.
隨着計算機和通信技術的發展,無線通信技術在各個領域内的應用成為研究的熱點。
Software radio is first introduced in 1992 by USA and it is a new architecture for wireless communication.
軟件無線電是1992年美國首次提出的一種實現無線通信的新的體系結構。
The module of serial bus finishes duty with communication and transmission to computer after the wireless communication module have received the useful data.
通用串行總線模塊是實現當無線通信模塊接收到有用數據後與上位計算機的通訊與傳輸工作;
With the growth of the wireless communication market, most of RF device manufacturers have been under the cost pressure with the appearance of many companies in the same field.
隨着無線通信市場的快速增長,大多數射頻器件制造廠家正在經受着這一領域新出現的衆多公司所帶來的成本壓力。
With the development of wireless communication technology, the transmission on the wireless communication network becomes the new research focus for the video signal of the multimedia.
隨着無線通信技術的發展,多媒體視頻音頻信號在無線通信網絡上的傳輸成為了新的研究熱點。
Introduces a low power consumption, high stability and short development cycle of wireless communication product design and development program.
介紹一種功耗小、穩定性較高且開發周期短的無線通信産品的設計和研制方案。
It consists of a series of protocols and standardizes various wireless communication devices.
它是由一系列的協議組成,使無線通信設備标準化;
In hardware design the composition of digital circuit, A/D converter, signal amplification and bias circuit as well as wireless communication interface.
硬件設計中重點介紹數字電路的構成,A/D轉換器、信號放大與偏置電路和無線通信接口。
Multiple antenna system can improve the reliability and capacity of wireless communication.
多天線系統可以改進無線通信的容量,提高可靠性。
As the development of wireless communication and computer network technology, wireless network gains more and more attention for its flexibility and practicability.
隨着無線通信和計算機網絡技術的發展,無線網絡由于其靈活性和實用性近年來受到越來越多的關注。
The wireless control network which was constituted by combined wireless communication with the tradition control system could solve effectively these questions.
利用無線通信技術與傳統控制系統結合組成無線控制網絡可有效解決這些問題。
Results of simulation illustrate that the proposed algorithms can be applied to not only the MIMO system, but also the array signal processing and wireless communication system.
仿真結果表明,所提方法不僅可以直接應用到多輸入多輸出系統,而且還可應用到陣列信號處理及無線通信系統中。
Under the wireless communication network environment, based on the average queue length and waiting time, an improved Random Early Detection (RED) algorithm is proposed.
在無線通信網絡環境下,提出了一種改進的基于平均隊列長度和等待時間的隨機提前檢測算法。
However, compared with fixed network, the wireless communication network which supports mobile computing has low bandwidth and poor quality.
然而,與固定網絡相比,支持移動計算的無線通信具有帶寬小、通信質量差的特點。
The requirement for radio - frequency inductance of high quality is more and more argent in wireless communication, however . it's a problem how to measure it fast and precisely.
無線通信的迅速發展,對高質量的射頻電感的需求越來越迫切,如何快速、準确地測量射頻電感成為生産和應用的一大難題。
The teaching goal of this course is to introduce systematically the theory and approach of channel estimation and multi-user detection in modern wireless communication system.
本課程的教學目的在于系統地介紹現代無線通信系統中所涉及的有關信道估計以及多用戶檢測的理論與方法。
For the development of upper layer communication protocols and application software, this system also provides wireless communication interfaces and application program framework.
為了更好地支持上層通信協議和應用軟件的開發,該系統還提供了無線通信接口和應用程式框架。
The spatial characteristic of wireless communication channel is very complex. The fine simulation of the channel is helpful to design and develop wireless communication net.
無線通信信道的空間特性十分複雜,通信信道的精細仿真對無線通信網絡的設計和開發有着重要的作用。
With the rapid development of wireless communication technology and Internet technology, the primary service of mobile telecom is changing from voice service to data service.
隨着無線通信技術和互聯網技術的飛速發展,移動通信業務從以前的語音業務為主逐漸向數據業務擴展。
Aiming at some problems existing in the strain collection and transmission system, the data wireless transmission was realized with the wireless communication technology.
針對傳統的應變采集傳輸數據方法存在的問題,利用無線通信技術實現數據無線傳輸。
With the fast development of wireless communication technology, wireless communication devices have become one of the most popular public communication methods.
隨着無線通信技術的迅速發展,無線通信設備已經成為最受大衆歡迎的通信工具。
In the field of today's wireless communication, a new trend is the technology of direct RF modulation.
在當今無線通信領域中,一個新興的結構趨勢就是發射信號的直接射頻技術。
Wireless communication systems typically include a plurality of base stations strategically located to provide wireless communication coverage over a selected area or region.
無線通信系統典型地包括戰略上設置的多個基站,用于在選擇範圍或區域上提供無線通信覆蓋。
無線通信(Wireless Communication) 指不通過實體導線或電纜,利用電磁波(如無線電波、紅外線、光波)或聲波在空間中傳輸信息的技術。其核心原理是将聲音、數據、圖像等信息轉換為電信號,再通過調制技術加載到特定頻率的載波上發射;接收端則通過解調還原原始信息。該技術實現了設備間的遠距離、可移動式信息交互,是現代通信網絡的基石。
傳輸媒介
依賴電磁頻譜(如微波、毫米波)或光波(如Li-Fi)作為傳輸通道,擺脫了物理線纜的束縛。IEEE(電氣與電子工程師協會)指出,頻譜資源需通過國際電信聯盟(ITU)協調分配以避免幹擾 。
核心技術組件
此過程涉及複雜的調制解調技術(如QAM、OFDM),确保高效頻譜利用 。
典型應用場景
核心優勢與挑戰
注:引用鍊接需替換為具體文獻或标準文檔URL(如IEEE Xplore論文、3GPP技術報告),此處因格式限制僅标注來源機構。實際撰寫時可關聯至權威頁面或DOI。
"Wireless communication"(無線通信)指通過電磁波或光波等非物理導線介質實現信息傳輸的技術。其核心特點是不依賴電纜、光纖等實體連接,而是利用特定頻段的電磁波在自由空間(如空氣或真空)中傳遞數據。以下是詳細解析:
定義
無線通信系統由發射器、接收器和傳輸介質組成。發射器将信號調制到電磁波(如射頻、微波或紅外線)上,通過天線發射;接收器通過天線捕獲信號并解調還原信息。
關鍵技術
移動通信
手機通過蜂窩網絡(4G/5G)實現語音和數據傳輸,基站與終端間完全無線連接。
短距離傳輸
衛星通信
通過地球同步衛星或低軌衛星(如星鍊)實現全球覆蓋,用于偏遠地區通信、GPS導航等。
從早期的無線電廣播(AM/FM)到5G毫米波通信,無線技術持續向高頻段、大帶寬、低延遲方向發展。未來6G可能引入太赫茲頻段和智能反射表面(IRS)技術。
如需進一步了解具體協議或硬件實現原理,可提供更細分的問題方向。
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