receiving spectrum 中文意思是什麼

receiving spectrum 解釋
接收光譜
  • receiving : n. 1. 接收。2. 收買賊贓。adj. 接受的；收報的。
  • spectrum : n. （pl. -tra ）1. 【物理學】譜，光譜；波譜；能譜，質譜。2. 【無線電】射頻頻譜；無線電（信號）頻譜。3. 【心理學】（眼睛的）余像；殘像。4. 〈轉義〉范圍，幅度；（連續的）系列。
  1. In the transmiting port, optical encoder turns data bits into spread spectrum sequences, then, optical decoder retverts it to data bits with the theory of correlation decoding in the receiving port

    在發送端光編碼器將數據比特轉換成擴頻序列，在接收端光解碼器利用相關解碼原理將擴頻序列恢復為數據比特。
  2. Qpsk modulation for digital television using advanced digital signal processing technology, full compliance with dvb - s standard, the receiving end can be directly used for receiving digital satellite receiver. it must not only be able to achieve a higher utilization of the spectrum, with a strong anti - jamming and high performance. fm microwave equipment and simulation and will be good compatibility

    Qpsk數字電視調制器採用了先進的數字信號處理技術，完全符合dvb - s標準，接收端可直接用數字衛星接收機進行接收。它不但能取得較高的頻譜利用率，具有很強的抗干擾性和較高的性能價格比，而且和模擬fm微波設備也能很好的兼容。
  3. In the second chapter, a wideband mimo channel model with multiple - tap was integrated according to the angle of departure of the transmitting signal and its spread angle, the angle of arrival of the receiving signal and its spread angle, power azimuth spectra, doppler spectrum and the geometric construction of antenna array both sides of transmit and receive, on the basis of full research on the theories of space - time channel model proposed in the recent literature

    第二章在對最近文獻中提出的一些空時通道模型理論進行詳細研究的基礎上，根據發射信號的離開角及其擴展角、接收信號的到達角及其擴展角、功率方位譜、多普勒譜和收發兩端天線的拓撲結構，綜合了一個多抽頭的寬帶mimo通道模型。
  4. At last the audio - visual filter can get and regroup the pcm audio data which transformed into the time - frequency signals by the fft. at the same time the power spectrum can be displaying on the windows by using the win32 api functions. finally the test of this system shows the processes about transport stream of receiving in the collecting card, pushing in the bridge, separating in the parser, displaying in the audio - visual filter are satisfied with the data rata at the server

    音視頻效果filter內部通過獲取解碼后的pcm格式數據，並利用緩沖管理器對這些數據進行重新分組，然後對分組后的數據進行fft變換將時域信號變換到頻域之中，同時對變換后的數據作數學處理后得到其功率值，最後利用api畫圖函數對這些功率值進行了實時的特殊效果顯示。
  5. Theoretical and experimental study on power spectrum of atmospheric scintillation with aperture receiving

    孔徑接收下大氣閃爍頻譜的理論和實驗研究
  6. Simulations on the key technique of spread spectrum communications are studied here, according to the characteristic of lduwarc system, issues concerning pseudo - noise codes, spread spectrum method, correlation receiving and synchronization. we also design an error correction code for the system

    論文還對擴頻通信的關鍵技術進行了模擬研究，針對遠程聲遙控系統的特點，討論了擴頻碼、擴頻方式、相關接收和同步問題，同時討論了適合遠程聲遙控系統的糾錯編碼技術。
  7. This paper describes a spread spectrum receiver, which is equipment in self - determination outer measuring systems. it consists of two parts : fast capture and track systems. its main function is receiving capture scout demodulation and transmit spread spectrum signal coming from the objects

    本論文所研究的擴頻接收機是自主外測系統中的關鍵設備，由快捕和跟蹤兩部分組成，其主要功能是對來自目標的擴頻信號進行接收、捕獲、跟蹤解調和轉發。
  8. The method was correlate search and fft carrier detection, which could solve the problem of the capture of the spread spectrum code under the condition of low snr and big frequency offset. we also put forward a method, shift receiving window and correlate with local sequence, which not only could solve the problem of symbol synchronization but also could acquire the statistics of the multipath. then we utilized the results of the channel estimation and the technology of rake receiver to decode the received spread spectrum sequence and acquire rude information

    方案中提出了：相關搜索、 fft檢測信號載波的方法，解決了低信噪比、大頻差條件下擴頻碼的同步捕獲難題；滑動相關完成位同步的方法，解決了低信噪比下的同步問題；在時域利用相關進行通道估計，然後利用rake接收技術完成相關解擴的方法，一定程度上解決了多徑衰落影響解擴性能的問題。
  9. There is less wireless interference in lfmcw signal, because the structure of transmitting and receiving devices is simpler, and the transmitted spectrum is narrower

    Lfmcw信號發射和接收設備簡單，發射頻譜窄，使得無線電干擾問題較少。
  10. In this thesis, a kind of 2 - dimention signal acquisition method is presented which combines parallel pn code phase and carrier frequency acquisition, as a result the acquisition time is shortened greatly. besides, according to the fact that the detection of spread spectrum signals is always the key point in the receiving system

    在擴頻信號的捕獲過程中要求有較小的時延和較高的概率，本文介紹一種二維信號的捕獲方法，這種方法結合偽pn碼和載波頻率的獲取，捕獲時延將大幅度降低，實際上，擴頻信號的檢測是接收系統的關鍵。
  11. Firstly, the system for receiving and disposing weather - satellite data provided by the national satellite meteorology center was used to distill spectrum data of channel - 1, channel - 2, channel - 4 and channel - 5 from noaa / avhrr ib data, and the spectrum data were transferred to local area file by the method of projection

    應用國家衛星中心提供的「極軌衛星資料接收與處理系統」 ，從noaa avhrr1b文件中提取廣西區域范圍內各通道的光譜資料，進行投影變換後生成等經緯度圖像文件。
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