頻域譜分析器 的英文怎麼說

中文拼音 [bīnyùpǔfēnxīqì]
頻域譜分析器 英文
frequency domain spectrum analyser
  • 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...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 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）...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  1. Adopting the latest research result on dynamic signal discrete spectrum analysis and the idea of virtual instrument, a dynamic signal analysis virtual instrument software system is developed, which is based on windows and has good performance

    並採用動態信號離散頻譜分析領域最新研究成果，基於虛擬儀器設計思想，研製一套方法新、功能全、實時性好、精度高的基於windows的通用動態信號分析虛擬儀器軟體系統。
  2. Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview

    接著，在labview環境下開發了多種用於傳感器信號測試的虛擬儀器，具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后，研究了小波分析在一維信號消噪中的應用，實現了labview環境下的閾值法和平移不變量法小波消噪，並利用labview設計了飛控系統中光纖陀螺零漂信號的小波消噪儀。
  3. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  4. Familiar with the application of equipment like spectrum, vna, etc

    熟悉電子通信領域常用儀器（頻譜儀，矢量網路分析儀） 。
  5. Therefore, aiming at the existent static and dynamic error of fcs sensor, the sensor characteristic compensation subunit is designed in the environment of labview using vi technique. the sensor signal disposal platform is also developed to realize the time domain measurement, frequency domain analysis, long - distance transfer and network release, etc. firstly, the static characteristic and nonlinear error of the sensor are analyzed

    為此，本文針對飛控系統傳感器存在的靜態和動態誤差，利用虛擬儀器技術在labview環境下設計了傳感器性能補償環節，開發了傳感器信號處理平臺，對信號進行時域測量、頻譜分析、小波消噪、遠程傳輸和網路發布等。
  6. On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former

    作者提出了一種基於帶通采樣定理的抽取器數學模型，對該數學模型進行了時域、頻域的分析證明后，設計了一種基於該數學模型的抽取器，進而根據無線電射頻信號頻譜的特點，提出了高效混合濾波器組adc系統，其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。
  7. It was demonstrated that this sort of load - control apparatus has superior performance. we used a electric transmitter as the transducer to collect the sound signal, using the daq toolbox of the matlab to achieve the collection of the sound signal, and using the dsp toolbox of the matlab and the sound - launch technology to analyze the time - domain characteristic and the frequency - domain characteristic of the signal, chiefly analyze its short - time average amplitude, its short - time over - zero ratio and its estimate of the power chart and the average - period chart

    實驗中使用了駐極體話筒作為球磨機聲音拾取傳感器，利用matlab中的數據採集（ daq ）工具箱實現對磨音的採集，利用matlab信號分析（ dsp ）工具箱和聲發射技術對磨音進行時域和頻域分析，主要分析磨音的短時平均幅度和能量、短時平均過零率、功率譜估計和平均周期圖。
  8. In magneto - optic ( mo ) waveguids, the interaction between msws and guided optical waves ( gows ) can lead to the bragg diffraction of the gows. the resulting many new devices, such as mo modulator, optical switching, scanning, frequency spectrum analyzers, can be developed with applications to optical communication and optical information processing

    在磁光波導中，靜磁波與導波光相互作用可導致導波光的bragg衍射，利用這一原理，可做成磁光調制器、光開關、掃描儀、頻譜分析儀等新型磁光bragg器件，並在光通信和光信息處理等領域有著十分廣闊的應用前景，引起人們越來越多的關注。
  9. E there is one - to - one map between the mathematical formulation and circuit realization, and that the method is systematic and suited for designing the network function with zeros and high - order filter. at last, the limitation and applied fields of the methods for realizing one - dimension cwt based on state - space log - domain filter are pointed out, it is also proved by the theoretical analysis and calculation results that the methods are suited for synthesizing the wavelet functions with very small scale or the frequence - transloction version of the mother wavelet ( with much translocation in frequence - domain )

    論文還給出了用狀態空間對數域濾波器實現一維連續小波函數的限制條件，並指出了這種實現方法的應用范圍，理論分析與計算結果表明該方法適合用於實現尺度很小的小波函數或由原基小波經頻譜搬移（搬移程度較大）后的小波函數。
  10. Test results are analyzed in one third octave band spectrums mainly regarding vibration - sensitive instruments and emphasizing on low frequency band

    測試結果的分析主要是針對振動敏感儀器的，在頻域內採用1 / 3倍頻程頻譜，重點考慮低頻段的地面響應。
  11. As another application instance, a subsystem monitoring ultra - high frequency partial discharge of transformer is developed, which can analyse, process, plot time - domain pd data and demodulated pd data, besides, it also has such discharge type recognition function as spectrum calculation and auto correlation

    作為另一應用實例，研製了變壓器超高頻局放監測子系統，此系統具有分析、處理、顯示超高頻時域波形及其包絡線波形數據的功能，還具有用於放電模式識別的時域波形及其包絡線波形的頻譜計算和自相關處理等功能。
  12. Because the noises in ir images changes slowly and its frequency components con - centrate on the range of low frequency. the wgos is used to suppressing background and noises. just for the three origin images in this dissertation, the global threshold in the algorithm is enough to divide up targets from the background

    紅外圖像的噪聲通常為脈沖噪聲，具有高頻特性;而紅外圖像的背景變換比較緩慢，其頻譜成分多集中在低頻區域，所以本文在對圖像特性分析的基礎上，設計改進了基於加權廣義次序統計濾波器的背景抑制的演算法。
  13. 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。
  14. It follows that the description of characteristics of g programming language in labview and the process of building virtual instruments. the paper provides a new spectrum analyzing method of the combination of spread spectrum with fft. at last it gives the arithmetic realization and programming diagram of every part of spectrum monitoring and signal searching

    介紹了labview下如何通過計算機介面獲取數據的過程，數據採集過程中各個參數的演算法選擇；同時闡述了labview平臺下g語言的特點及構建虛擬儀器的過程，然後介紹了信號分析處理部分採用的頻率擴展與fft相結合的頻域分析方法；頻譜監測部分各個模塊的演算法實現；最後給出了信號搜索部分的演算法實現及其原理框圖。
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