digital spectrum analyzer 中文意思是什麼

digital spectrum analyzer 解釋
數字光譜分析器
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • 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。
  • analyzer : 測定器
  1. According to the theory of digital signal processing, discrete fourier transform has selectivity to frequency just as spectrum analyzer

    根據數字信號處理理論，離散傅里葉變換（ dft ）演算法對頻率具有選擇性，有相當于頻譜儀的功能。
  2. The performance detection and analysis of the tags are realized. the reader is integrated with the functions of microwave transmitter, receiver, data collector, digital signal processing ( dsp ), spectrum analyzer, field strength meter, and encoding

    該閱讀器集微波發射機、接收機、數據採集、數字信號處理、頻譜分析、場強測試及解碼等功能於一體，實現了對電子標簽性能的檢測與量化分析。
  3. In analysis and transaction of signals, spectrum analyzer is a classical and important instrument which is mainly used to analyze the time domain wave, amplitude, spectrum domain wave, demodulating analysis, digital filtering, correlate analysis, transfer function and coherence function of signals

    頻譜分析儀是信號分析與處理中常用的儀器，它可對信號進行時域分析、幅值域分析、頻域分析、解調分析、數字濾波、相關分析和傳遞相干分析。
  4. In order to overcome the disadvantages of the existed frequency spectrum analyzer instrument, the idea of software radio was applied, and a scheme of rf virtual frequency analyzer instrument based on digital intermediate frequency was presented, then its feasibility was analyzed

    本文針對現有頻譜分析儀的不足，運用軟體無線電的思想，提出一種基於中頻數字化的虛擬射頻頻譜分析儀的方案，並對其可行性進行分析。
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