signal interpolation 中文意思是什麼

signal interpolation 解釋
信號內插法
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • interpolation : 補入
  1. Because hrv signal is unevenly sampled, direct spectrum estimation will cause wrong result. resample on hrv signal is necessary. in this chapter after comparing different evenly sampling methods, the best way - cubic spline interpolation is adopted in spectrum estimation

    由於心率變異信號是一種不等間隔采樣信號，不能直接採用傅立葉變換的方法進行頻譜分析，因此將心率變異信號等間隔化是必要的。
  2. This thesis concentrates on the analysis of sampling rate changing ( decimation and interpolation ) ; the discussion of basic multirate signal processing theory ; the implementation of high efficient algorithm, which provides the bases for other algorithm development in this thesis

    本文從頻域的角度深入分析了抽樣率變換的規律，並進一步研究了多抽樣率系統的高效實現方案和基本理論，為其它演算法的研究提供了必要的基礎。
  3. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采樣的軟體無線電結構框架下，首先詳細探討了軟體無線電的前提條件，即如何對連續時間信號進行采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；再次論文在總結了傳統的調制解調基礎上，結合軟體無線電器件的特點，系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  4. A / d samples the intermediate frequency signal. the digital signal proceeding part based on tigersharc dsp can process the baseband digital signal including the algorithm of baseband modulation, baseband differential detection and symbol synchronization, etc. digital up converter supports interpolation filter and complex mixer

    A / d對中頻信號進行采樣，數字信號處理部分以tigersharcdsp為核心，負責基帶采樣數字信號的處理，實現基帶信號調制，基帶差分解調，符號同步的捕獲和跟蹤等演算法。
  5. The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given

    首先從降低鄰近碼間干擾原則出發，討論了基帶成形的基本原理與升餘弦滾降濾波器的時頻特性，重點分析將理想的滾降波形g （ t ）數字化后對頻譜的影響，並且根據系統指標，確定了各項參數，給出了具體的設計舉例和模擬結果。
  6. This system ' s hardware adopts dsp - embedded controller, which can process digital signal independently. the controller communicates with pc by accessing memory. on the side of controller, c language is used to write the interpolation program and the interruption service program, while on the side of pc, visual c + + is used to write programs in which functions of editing nc - code, real - time control and human - machine interaction interface is fulfilled

    該數控系統的硬體採用了具有獨立數字信號處理功能的dsp型運動控制器，控制器通過內存訪問與pc機通信，使用c語言編寫了控制器端的中斷服務和插補程序，使用visualc + +編寫了pc端的數控代碼編輯、實時控制和人機交互界面程序。
  7. The signal is interpolated to 1024 parts by single - chip computer, this acquires high interpolation times, and the resolution and the accuracy of absolute photoelectric rotaiy encoder are improved as well

    經單片機軟體細分，可獲得較高的細分倍數，進而提高了絕對式光電軸角編碼器的解析度和精度。
  8. It is difficultly to enhance the resolution of encoders if commonly depending on thinner engraving grating. therefore, at present, the primary technology to improve the encoders " resolution is the interpolation technology of the moire stripe signal

    由於單純依靠製造上刻劃更細的光柵來提高光電軸角編碼器的解析度是很難實現的，目前普遍採用光電信號細分技術來提高光柵系統的精度和解析度。
  9. K method fft the echo signal, and transform it to the ? k domain, it is the most effective method to implement the 2 - d sar shifting filter. however, stolt interpolation will increase the imaging time, and will influence the quality of the image

    波數域成像演算法是sar二維移變濾波器的最有效實現，但是stolt插值運算將帶來附加的計算量並且頻域插值精度對成像質量有一定影響。
  10. A method to realize the compound control for disturbance compensation is put forward in this paper. the basic thought of the method is that ： obtain the ideal compensation signal no ( t ), and input the compensation signal no ( t ) to the tension servo system when the system is disturbed. compensation signal no ( t ) includes the following variables ： delay time ， compensation period ， compensation time ， compensation data. methods and procedures to obtain the compensation variables are discussed in detail in this paper. two specific means are available to realize the compensation control, and discussed in detail in this paper. in one means, the method is needed to calculate the compensation variables in real time, the linear interpolation is used here

    本文提出了一種擾動復合補償控制的方法，其基本思路是：通過某種方法獲得較為理想的補償信號no （ t ） ，在系統受到擾動時，能夠向系統輸入補償信號no （ t ） ，從而達到對系統補償的目的。補償信號包括如下參量：延遲時間、補償周期、補償時間和補償數據，文中詳細論述了確定補償參量的方法及過程。提出了兩種實現補償控制的具體方式，並對兩種方式進行了詳細論述。
  11. According to the analyzing on the questions such as the parameters of moire stripe signal influence on photoelectric rotary encoder interpolation errors, lissajou chart ' s characteristics and applications in interpolation errors measurement, we developed a dynamic measurement method about the parameters of moire stripe signal and interpolation errors evaluation. with the combination of hardware and software, a dynamic measurement system of interpolation errors of photoelectric rotary encoder is designed

    通過分析莫爾條紋信號的各種信號質量指標對光電軸角編碼器細分誤差的影響， lissajou圖特性及其在細分誤差測量中的應用，研究出光電軸角編碼器光電信號參數測量及細分誤差評估的動態測試方法，並針對這一方法通過硬體及軟體技術的結合，設計出一套光電軸角編碼器細分誤差的檢測系統。
  12. The interpolation errors of the moire stripe signal have worked on the whole precision of encoder greatly for high - resolution, high - accuracy photoelectric rotary encoders. however it ' s difficult to measure the resolution errors under the conditions of smaller grating pitch and many interpolations

    對于高精度、高解析度光電軸角編碼器來說，光電信號細分誤差對光電軸角編碼器整體精度的影響很大並且在光柵節距較小、細分份數較多的情況下，分辨力誤差很難檢測。
  13. This approach needs one receiver with every antenna working in time - division mode, which uses the standard array signal processing algorithm to finding direction after recovering the multiple signals by interpolation

    此方法採用一個接收通道，各陣元以時分方式工作，採用插值的方法恢復出各路信號，然後運用陣列信號處理演算法進行測向。
  14. Improving dsss signal pn code phase measurement precision by 3 - points quadratic interpolation

    碼相位測量精度的三點二次插值法
  15. Aiming at realizing an all - digital programmable qpsk modulator with data rates covering 2k ~ 2. 048mbps, this thesis puts research on modulator architecture, base - band signal shaping, programmable interpolation algorithm, and digital signal processing algorithms with fpga. we have completed the program design and the timing simulation, the pcb board has been fabricated. the similation result is given to verify the design

    本文以實現2k ~ 2 . 048mbps傳輸速率的變碼速率全數字qpsk調制器為目標，對全數字調制器結構、基帶成形濾波、高倍可變內插以及基於fpga的信號處理演算法等問題進行了研究，編寫了調制模塊的vhdl程序，完成了軟體環境下的驗證調試，並設計實現了板級調試系統。
  16. Then, this paper presents a fast time - delay estimation algorithm ficp ( fine interpolation of correlation peak ). this algorithm can effectively reduce the impact of signal non - stationary and improve the accuracy of tde ( time - delay estimation ) without increasing calculating complexity. what ' s more, it can reduce the interference caused by wide band noise

    為降低信號非平穩性的影響，提高時延估計的精度，文中提出了一種快速相關峰細化時延估計演算法ficp （ pineinterpolationofcorrelationpeak ） ，此演算法精度高，速度快，另外還可以抑制寬帶噪聲的影響。
  17. During interpolation, the original frequency of seismic signal is kept very well without negative effect to the subsequent processing. 5. cubic curves are used to geologic structure model input, and the formation boundary becomes smooth, which is good to the forward modeling. this method could hold true to various background

    成功地將樣條曲線應用於地質模型輸入環節，保證了地質模型界面的光滑連續，並能夠廣泛適應于各種質量的模型底圖，為正演模擬取得良好的效果奠定了基礎。
  18. For symbol synchronization, a filtering and squaring algorithm of estimating the timing error has been introduced, and a method to improve the accuracy of estimated data has been presented, then two signal interpolation filter have been analyzed, one is fir interpolation filter, another is cubic interpolation filter

    對于全數字接收機中符號定時誤差的恢復，先介紹了一種濾波平方后求符號定時誤差估值的演算法以及一種提高該演算法估值性能的改進方法，接著介紹了糾正定時誤差的fir插值濾波器和立方插值濾波器。
  19. Because reciprocating pump has complicated structure and more exciters, so its signal is a strong non - stationary signal, and carrying out fault feature extraction and diagnosis is very difficult to it, this text mainly researches on featute extraction of reciprocating pump ’ s valve vibration signal. this text introduces hht that huang put forward, it is a kind of signal processing method that suits for dealing with the stationary signal, and suits for non - stationary signal also. although the hilbert - huang transform ( hht ) is an effective tool processing the non - stationary signal, the hht based on emperical mode decomposition ( abbreviated as emd ) algorithm which adopts the cubic spline interpolation could n ' t acquire accurate characteristics for the strong non - stationary signals in that the spline produces an accurate result only under the condition that the data consists of values of a smooth function

    本文引入了huang等人提出的hht ， hht是一種既適合於處理平穩信號也是一種適合於處理非平穩信號的信號處理方法。盡管希爾伯特-黃變換（ hht ）是處理非平穩信號的有效工具，但基於經驗模態分解（簡稱emd ）的hht由於採用三次樣條插值而不能準確提取強非平穩信號的特徵，因為三次樣條插值只有在數據由光滑函數值構成的情況下才能產生精確的結果。為了解決這個問題，本文提出了基於改進的emd演算法，即採用分段三次hermite插值多項式（ pchip ）作為極值包絡的方法。
  20. Then produce the frequency complement algorithms and detemine the funcion x / sinx as the complement frequency response. with the combination of their different merit, we put forward the multistage interpolation algorithm. based on the efforts above, we determined the overall architecture of the variable - rate modelation and each unit design, and the emphasis is the 3 - stages algorithm for the variable - rate interplation. the simulation results of the modulator are also given and verified by matlab signal procesing toolboxes

    在以上研究的基礎上，採用變碼速率調制模塊的結構與各模塊的具體實現方案，著重討論了變速率內插的多級實現問題，簡要分析了此方案的優點，給出了rtl級的模擬結果，並將結果導入matlab中，利用信號處理工具箱進行分析驗證。
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