band filter 中文意思是什麼

band filter 解釋
帶能濾波器
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  • filter : n 1 濾器，濾紙，過濾用料[砂、炭等]。2 【無線電】濾波器；【物理學】濾光鏡，濾色器。vt 過濾，用過濾...
  1. Band eliminator filter

    帶除濾波器
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  3. Later on we discuss the basic theory of multi - rate signal processing, and the polyphase algorithm for interplation filter, then produce the efficient algorithms for interplation : half - band filter and cic filter. we analyze their computing quantity and performance, especially the mirror elimination feature and the at - tenuation in the passband

    之後討論了多速率信號處理的基本理論，比較了不同的內插演算法，分析了半帶濾波器和cic內插濾波器的計算代價、時頻性能，以及各自的抑制鏡像特性。
  4. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積分梳狀（ cic ）濾波器和半帶（ hb ）濾波器的多級系統設計的抽取濾波器組，分析了濾波器設計中所涉及的各個參數，將剪除理論應用於多級積分梳狀（ cic ）濾波器的設計中，並且採用分散式演算法（ da ）來設計半帶（ hb ）濾波器，並對模擬結果進行比較，這些先進演算法的應用，進一步提高了硬體效率和運行速度。
  5. In the passive circuit part, according to the theories of microstrip line and coupled microstripwe, the characteristic of microstrip and coupled microstrip was analyzed, the x band filter and dc block circuit of amplifier have been designed by hp - ads software

    為毫米波設備提供本振源。在無源電路部分，我們首先對微帶線、耦合線等基本理論作了簡單的介紹。
  6. Based on the introduction it explores into the designing of the broad band filter and the super miniature of local oscillator source

    在此基礎上提出了本文課題的重要意義，主要對收發信機中寬帶濾波器進行設計和探討、本振源超小型化。
  7. Narrow - band filter

    窄帶濾片
  8. A kind of contactless measurement sensor based on band filter

    一種基於帶通濾波的非接觸式傳感器
  9. Implement of 2n digital interpolation by tms320c5402 based on half - band filter

    純二維小波濾波器組及其在圖像壓縮中的應用
  10. Broad band filter

    寬頻帶濾波器
  11. Study of photonic crystal narrow band filter at green light wave band

    光子晶體綠光濾波器的研究
  12. In the next, we discuss the system of the meg - 1 layer i. the paper centers on the two kernel sub - parts : filtering coding and psychoacoustic model, do some research work in sub - band coding ( cbc ) theory and the relate theory such as quadrature mirror filter ( qmf ) and analyse sub - band filter ; also do research work in psychoacoustic theory especially the part related to the mpeg - 1 layer i. in the third chapter, introduce the ti tms320c6000 series dsps and their characteristics, also about the software development flow and the ti dsp / bios operating system of it. the forth chapter is the most important, firstly, according the algorithm flow in protocol, using c language validate the algorithm ; then, transplant and optimize the coding in dsp. in the processing of optimize, acording the assembler program characteristic of ti dsp, the paper put forward the analyse sub - band filter dsp optimization algorithm base on the eight spot idct. the algorithm has been optimize have greatly improved the work efficiency. make use of the technology of the dsp / bios host channels, data io pipe, software interrupt, we implement the musicam algorithm base on dsp / bios

    論文首先對當前語音編碼技術的發展、分類以及mpeg系列音頻標準作了介紹；接著在第二章，給出了layer的musicam （ masking - patternuniversalsubbandintegratedcodingandmultiplexing ）演算法的系統組成，圍繞分析子帶濾波器和心理聲學模型兩個核心模塊，深入研究了子帶編碼工作原理、比特分配及子帶編碼中用到的正交鏡像濾波器和分析子帶濾波器；探討了心理聲學基本原理和mpeg . 1layer所用到的心理聲學模型。第三章對titms320c6000系列dsp作了簡介，介紹了6000系列dsp結構特點、 c6000dsp軟體開發流程和tidsp / bios操作系統。第四章是本文的重點，首先根據協議給出的演算法用標準c語言編程實現並調試通過。
  13. At last, the encoding hardware structure of mpeg - 1 layer ii is put forward. second, in the paper, we have analyzed every module of the structure and estimated it ' s complexity. then the sub - band filter bank and psycho - acoustic modules are more investigated

    其次，分析了硬體結構中各個模塊並估計了它們的運算復雜性，然後對子帶濾波器組和心理聲學模型作了進一步的探討，提出了基於fft的高效實現演算法及其硬體結構。
  14. There are three main reasons attributed to this result as follows : firstly, i choose a wavelet transform named fivezhu wavelet <, which is different the other wavelets from the fact that fivezghu wavelet have seven 7 sample points and was decomposed a orthogonal, two - band filter bank and include a detailed part ; which can be realized by two orthogonal mirror symmetries lattice filter

    為此我主要做了以下方面的工作：首先，是小波基的選取，因為小波基的選取不同於短時fourier變換。選取不同的小波基對同一圖像信號處理會得到不同的結果，就目前的幾種小波基。我選擇了五株形小波。
  15. Wave band filter

    波帶濾波器
  16. Bf band filter

    帶通濾波器
  17. The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer, which consists of the phase accumulator, the sine look - up table, the digital to analog converter and the low band filter. it is of high frequency resolution, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase, and the ability to producing arbitrary waveforms

    直接數字頻率合成器是一種全數字化的頻率合成器，由相位累加器、波形rom 、 d a轉換器和低通濾波器構成， dds技術具有頻率解析度高、頻率切換速度快、頻率切換時相位連續、輸出相位噪聲低和可以產生任意波形等優點。
  18. The main work and achievements are as following : 1 ) proposed the approach to design the false high - passed broad band filter

    主要工作和成果如下： 1 、贗高通寬帶帶狀線濾波器的設計。
  19. Chapter 2 studies the principles for digital front - end design including decimation, interpolation, hbf ( half band filter ) and cic ( cascaded integrator - comb ) filter

    第二章研究了數字前端設計所涉及的一些原理和技術。包括抽取、內插、 hbf濾波器和cic濾波器等。
  20. At last, a 31 ghz narrow band filter is designed as an application of the photonic crystal

    由於光子晶體也屬於一種周期結構，在分析其帶隙結構時，可以借鑒前面的演算法。
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