projection frequency 中文意思是什麼

projection frequency 解釋
放映頻率
  • projection : n 1 射出，投擲，發射，噴射。2 投射；投影，投影法；（地圖）投影圖製法；【電影】放映。3 凸出；凸出...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. On the basis of investigation and research about the technology of reconstruction for ict image up - to - date, this paper is devoted to develop an algorithm for image reconstruction based on wavelet theory. in this paper, time - frequency distribution for spatially varying filter was used to construct convolve - kernel by dwt, to modify convolve - back - projection algorithm

    本文在國內外有關ct圖像重建的研究狀況基礎上，根據小波分析理論，利用小波變換在時頻空間的可變性，用dwt變換構造卷積核，對卷積反投影演算法做了改進。
  2. Frame frequency and film running speed for exposure and projection of motion - picture films

    電影膠片暴光及投影的幀頻和膠片運轉速度
  3. An improved method of two - frequency grating projection

    雙頻投影柵線法測量三維物體形狀演算法的討論
  4. 5. the extinction tomography system are synthesizilly analyzed in frequency domain. the influence of uncompleted projection data and image construction algorithm to the image quality is researched too

    對消光層析成像系統進行了頻域綜合分析，研究了不完全投影數據和圖像重建演算法對圖像質量所造成的影響。
  5. Analyzing real hrv, proving the every segment power ( high frequency > low frequency ) of projection in frequency axis is times with the every segment power by using fft, the lf / hf by using 2 method is primarily sameness. 3d figure is a trenchancy tool for doctor to look over the relation between time and frequency

    對實際的心率變異信號進行了維重慶大學碩士學位論文格納分析，證實通過計算三維時頻分佈對頻率軸的投影得到的各頻段（高頻段、低頻段等）功率，與直接用fft所得各頻段功率，二者只相差一個比例系數，並且二者lf hf的值基本相同。
  6. The corresponding image formation algorithms, both in tune domain and frequency domain, are introduced. beginning with the projection reconstruction theory, convolution - backprojection and its approximated algorithm, backprojection algorithm are given

    根據這一投影重建理論，導出了impsar目標投影重建的卷積-反投影演算法及其近似演算法-反向投影演算法。
  7. The beijing karmel culture art development center is engaged in the domestic and foreign large - scale displays, the demonstration design manufacture, the display equipment manufacture sale and rental, the opening ceremony booth build, the opening ceremony cuts the ribbon, the etiquette service, the military band performance, the basket of flowers bouquet of flowers, the furniture rents, the celebrity manages, the dragon dance lion dance, the imposing percussion instrument, the light sound, the lift - off balloon, the balloon releases for flight, the fireworks salute, the cartoon arched entrance, the model manufacture, the sash colored flag, the scroll theater curtain, balloon printing, each kind of orchestra, the scene arrangement, the chinese dress rents, stage dance america, the video frequency projection, the sound amplifies, simultaneous interpretation and so on a series of services

    北京卡梅爾文化藝術發展中心是從事國內外大型展覽、展示設計製作、展覽器材製作租售、開幕式的展臺搭建、開幕式的剪綵、禮儀服務、軍樂隊演奏、花籃花束、桌椅租賃、名人主持、舞龍舞獅、威風鑼鼓、燈光音響、升空氣球、氣球放飛、禮花禮炮、卡通拱門、模型製作、授帶彩旗、條幅幕布、氣球印刷、各種樂隊、場景布置、旗袍租賃、舞臺舞美、視頻投影、音響擴音、同聲傳譯等一系列的服務。
  8. It ' s a problem of great significance how to filtering a signal in joint time - frequency domain and reconstruct the time series from the time - frequency plane selected. in this thesis, the theory of joint time - frequency analysis and synthesis and time - frequency filtering is investigated. two kinds of new time - frequency domain filtering methods are proposed based on adaptive decomposition and linear subspace projection

    本文在系統學習現有的各種時頻分析及其綜合演算法的基礎上，詳細研究了時頻域濾波的核心思想和基本方法，吸取了自適應時頻分析和線性子空間投影wigner - ville變換的優點，提出了的兩種新的時頻域濾波方法，並通過理論分析和數字模擬完成了相應的數值特性與應用特性研究。
  9. By using of the frequency, which is more accurate than the mode shape, the fully nonlinear identification algorithm using the frequency data was coupled with the flexibility projection method to estimate the magnitude of damage in a structure

    將結構損傷識別的完全非線性演算法與柔度投影法結合，利用頻率觀測數據較為精確的特點，使用混合法研究了數據誤差條件下的損傷識別問題。
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