數字頻譜儀 的英文怎麼說

中文拼音 [shǔzìbīnpǔyí]
數字頻譜儀 英文
digital spectrometer
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 儀 : 名詞1 （人的外表） appearance; bearing 2 （禮節; 儀式） ceremony; rite 3 （禮物）present; gift 4 ...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  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. According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum

    摘要基於相干檢測原理設計了一套由單色儀、數字鎖相放大器和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統，採用雙頻雙光路分光單探測器接收鎖相放大器分離信號比對法進行源補償測量，克服了光源光強漂移所帶來的影響；實現了可見光區消光比的精確自動測量，而且可以測得近似的消光光譜。
  3. I use special instrument to test items of modulator ( ( frequency 、 constellation ), all up to the anticipated performance, so the system could be made into asic which could be served to the digital society

    整個設計利用專用測試儀對頻譜、星座圖和其它各項發射指標進行測試，均達到預想效果，所以該fpga系統可以作為進一步進行流片，成為專用晶元，更好的服務于數字社會。
  4. 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。
  5. 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。
  6. The principles and arithmetic for designing and realizing the virtual digital stored oscilloscope, virtual frequency analyzer and virtual function generator, which are based on labview, are discussed in detail. the performance of the virtual instruments is tested, and the specification is given

    詳細的分析了基於labview的虛擬數字存儲示波器、虛擬頻譜分析儀和虛擬函數發生器的設計和實現的原理及演算法，並且對于各虛擬儀器進行了性能測試，給出了性能指標。
  7. Because traditional radio monitoring system is composed of a spectrum analyzer and a single or a multi channel receiver, system performance and automation has been restricted greatly

    傳統的監測系統採用單通道或多通道數字監測接收機和頻譜分析儀構成，系統性能和自動化程度受到較大限制。
  8. The reliability of the observation data in long period range is particularly inspected. this is done " by verifying the instrument response characteristic, examining the signal - to - noise ratio, comparing the recovered ground motions and response spectra from the velocity type and acceleration type digital broad - band records

    對于速度型和加速度型的數字寬頻帶記錄，從儀器特性、恢復的地面運動對比、信噪比研究、反應譜對比等方面研究這類記錄在長周期段的可靠性。
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