數字信號譜 的英文怎麼說

中文拼音 [shǔzìxìnháopǔ]
數字信號譜 英文
digital signal spectrum
  • 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 ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 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）...
  • 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
  1. Adopting high speed digital signal technique of collection and processing to get indexes which can show the unevenness, such as cv, uneven curves, spectrogram, etc

    採用高速數字信號採集處理技術，能得到cv值，不勻曲線，波譜圖等反映紗條不勻信息的有用指標，人機界面友好，操作簡單方便。
  2. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  3. In this thesis, summarized the basic theories of fourier transformation and the fast fourier transformation that are generally adopted to detect and analyze the electric power harmonic in the electric power supply system. at the same time, summarized the even sample principle, the phenomenon of frequency mix, the window functions and the frequency leaking as so on, those are closely - related to sample from figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論以及與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論。
  4. Summarized no - line loads and the present situations of the electric power harmonic pollution in the guangyuan district ' s electric power supply system ; explained the theories of fourier transformation and the fast fourier transformation those are widely adopted by majority scholars to examine and analyze the electric power harmonic in the electric power supply system. summarized the principle of even sample, the frequency mix phenomenon, the window functions and the frequency leaking as so on, those are closely - related to the figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論，簡要闡明了與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論，同時闡述了電力系統的諧波檢測與分析的相關理論基礎知識。
  5. Usually point a kind of inside to pack the arithmetic figure cent the network with the box of the power enlarger. arithmetic figure type the power enlarger for method for signal for inputting for arithmetic figure comparing, at with arithmetic figure signal handling again and again partitioning the empress, then and respectively these signals transformation is imitating the signal, then again from eachly from of box enlarge the empress to go to again to push the the cowgirl in the box to pronounce the unit

    通常指一種內裝數字分頻網路和功率放大器的音箱。數字式音箱輸入的信號為數字比特流，在用數字信號處理的方法將音頻頻譜分割后，便分別將這些信號變換為模擬信號，然後再由各自的功率放大器放大后再去推動音箱中的相應發音單元。
  6. This part of work involves several key problems as follows : - 1 ) coupling technology of laser source with the optical fiber ; 2 ) the construction of the sampling device and the selection of relevant parameters ; 3 ) the technical platform for the treatment and modification of fiber / capillary annular column sensing element ; 4 ) the selection of the size or parameters, design, machining and assembly of the sensing instruments ; 5 ) the construction of the multichannel detection system, the collection and processing of the digital signals and the exploiture of relevant software ; and so on

    傳感裝置各部件尺寸或參數的選擇，設計、加工和組裝；一5多通道檢測系統的構造，數字信號的採集及軟體的開發；等等。根據我們的設想，我們研製出了基於通用和快速檢測的裸光纖模式濾光傳感裝置和基於多組分同時選擇性響應的修飾光纖模式濾光色譜傳感裝置。
  7. 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。
  8. 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。
  9. 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。
  10. In this paper, the doppler signed of cartridge velocity, that is produced by the doppler radar, is taken as the research object. the characteristics of the doppler signal of several kinds of cartridges are analyzed. the spectrum analysis method is used to measure the velocity of several kinds of cartridges, based on digital data processing technology and computer graphic technology

    本文以多普勒雷達測量彈丸速度得到的多普勒信號為研究對象，分析多種彈丸速度多普勒信號頻率特徵，運用數字信號處理方法和計算機圖形處理技術相結合的頻譜分析方法測量多種彈丸的速度。
  11. By combining the latest breakthroughs in dsp and pc ( personal computer ), the proposed power quality network monitoring device in this paper is capable of major functions provided by conventional power quality monitoring device, such as frequency analysis, long term voltage fluctuation and transient voltage analysis

    該系統是建立在數字信號處理器（ dsp ）和pc網路的基礎上，首先該系統具有了傳統電能質量分析儀的譜分析、長期電壓波動和一些暫態電壓分析等功能，並提供了簡單的錄波功能。
  12. The software and hardware design of portable digital testing equipment based on tms320vc5510 are presented, which is the newly efficient and low power consuming dsp of ti corporation. the system realizes the requirement of sample theorem when sampling the wide spectrum signal with an equivalent sample technology, integrates the lcd control core in cpld and makes cpld as lcd controller instead of specific lcd controller, and makes the colorful stn - lcd as terminal displaying facility. the system suits the development requirement of the new portable digital testing equipment with the specialities of low power consuming, high integration and good displaying interface

    本文介紹了以ti公司新一代高效率、低功耗數字信號處理器tms320vc5510為核心實現的便攜式測試設備的軟硬體設計，以等效采樣技術實現采樣寬頻譜周期信號對采樣定理的要求，在cpld內集成完整的lcd控制核代碼，並以cpld作為lcd控制器取代專用控制器，以stn彩色lcd作為終端顯示設備，該方案具有功耗低、集成度高、良好的人機介面等特點，適合新一代便攜式測試設備的發展需求。
  13. Through processing of digital signals, the energy spectrum of bearing vibration has been obtained, and the gray incidence dynamic matrix being improved, and the energy spectrum of front and rear shafts being analysed by using the said matrix, and the prediction method of maximal peak value of the ball mill ' s coal pulverizing capacity being put forward

    摘要通過數字信號處理獲得軸承振動能量譜，對灰關聯動態矩陣進行了改進並用其對前後軸能量譜進行分析，提出了磨煤機制粉出力的最大峰值的預測方法。
  14. Harmonic analysis can be produced in as little as 10 milliseconds, or measurements may be integrated over more than a day. the user may set any measurement interval, perform synchronous averaging on harmonics, and even perform full spectrum analysis to detect non - harmonic signal content. the system s main processor controls all display, data storage and i o functions, thus allowing each channel to perform its analysis at maximum speed

    在每通道雙數字信號處理器結構中，結果形成超快速諧波分析，諧波分析可於至10毫秒產生，或可綜合測量超過一天，用戶可設定任何測量區間，執行諧波同步平均，及進行全頻譜分析從而探測非諧波信號內容，系統的主微處理器控制全部顯示數據儲存與i 0功能，故使各通道可於最高的速度下進行分析
  15. The signals are transformed into digital signals and sent to a computer. digital signal processing includes amplifying the sound signals, low - pass filtering, wavelet transform for de - noise and analyzing power spectra using matlab software. for different species of pests the acoustic characteristics are different in time domain and frequency domain

    害蟲聲信號採集系統由日本產teac ；四通道錄音機（數字記錄儀）記錄害蟲爬行聲信號，數字示波器將聲信號轉變為數字信號送計算機存儲，由matlab軟體對數據文件進行信號處理，包括信號的再現、放大、濾波、小波去噪、功率譜分析等工作。
  16. 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。
  17. By studying the discrete fourier transform properties of the band - limited digital signal, the authors introduce alternating projection neural networks into the paper, expand apnn ' s application scope from real field to complex field, and present several important conclusions on apnn. analyzing and discussing network ' s tolerance to noise, convergence rate and the spectral leakage problem of the truncated signal expected to be extrapolated by using these conclusions, the paper presents an extrapolation algorithm for band - limited signals based on alternating projection neural networks. a lot of simulation experiments show that the algorithm is effective. in addition, the algorithm is also effective to spectrum extrapolation. owing to adopting network structure, the algorithm is prone to parallel computation and vlsi design, and consequently can satisfy real time military processing needs

    本文通過對頻帶受限數字信號的離散傅立葉變換特性的研究，引進了交替投影神經網路，並將其應用范圍從實數域拓廣到復數域，且給出了在復數域仍然成立的若干結論.運用這些結論，在對網路噪聲抑制、網路收斂速度及待外推信號因截斷而造成頻譜嚴重外泄問題的分析與討論的基礎上，提出了一種基於交替投影神經網路的外推演算法.模擬實驗表明該方法是行之有效的.另外，該演算法對頻譜外推同樣適用；由於它採用全互連神經網路結構，易於并行計算和vlsi實現，從而可滿足軍事上實時處理的需要
  18. For the development of data signal processing module of sound intensity, the cross - spectrum sound intensity technique is applied

    對于聲強數字信號處理模塊部分，採用互譜聲強技術作為其理論基礎進行設計。
  19. By processing real - time digital analog fault vibration signal and adopting minimum quadric multiplication and rectangle function, correct frequency chart will be gained. thus, the system design based on advanced dsp can be applied to the real - time fault diagnosis of rolling bearing in modern high - speed train

    通過對採集的模擬的有故障振動信號進行在線實時數字信號處理，並在信號分析方面採用了最小二乘法及加窗函數，以獲得正確的頻譜，通過信號處理，並進行結果比對，進而可證明此系統在高速列車轉向架滾動軸承在線診斷中應用的可行性。
  20. Some typical luminance and chrominance measurement instruments will be mentioned in this chapter, too. chapter three will focus on the global structure of this system and analyze the select of detector and processor. also, the difference between relatively spectrum response of the cmos image sensor - ov7620 and cie standard observer relatively spectrum response will be given in this chapter

    第三章闡述了本系統的總體結構，對本系統的cmos圖像傳感器和核心處理器? ?數字信號處理器（ dsp ）的選擇做了詳細的分析，並且給出了本系統所使用的傳感器? ? ov7620的光譜相對響應曲線與cie標準觀察者三刺激值曲線的差異。
分享友人
分享到 Line

分享到臉書