differential filter 中文意思是什麼

differential filter 解釋
差動濾波器
  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  • 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. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻，通過低通濾波取其差頻，並經整形後由數字信號處理電路處理。
  2. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上，提出了以下的實用技術： 1 ）用譜分析方法從截獲的信息中自動提取同步信息； 2 ）用積分投影、微分定位的方法進行相位檢測，實現可靠的鎖相和電子穩像； 3 ）將電子穩像技術用於重加濾波和梳狀濾波的濾波方法，改進了濾波效果； 4 ）通過檢測圖像信息熵實現圖像採集參數的自動調整，改進了圖像採集的質量； 5 ）設計了用於儀器定標的標準測試圖，可以對泄漏信息進行定量檢測。
  3. There are many methods of edge detection. according to practical task, we choose some classical methods of edge detection including first differential ( roberts operator, sobel operator and prewitt operator ), second differential ( laplacian operator and kirsch operator ), log filter and canny operator. they are studied in theory and practice applying

    邊緣檢測有很多方法，根據課題實際背景，選擇了幾種比較經典的邊緣檢測方法，即一階運算元（ roberts運算元、 sobel運算元、 prewitt運算元） 、二階運算元（ laplacian運算元和kirsch運算元） 、 log運算元和canny運算元，對他們進行理論和實際應用研究。
  4. However, the longer length of c / a code, the more hardware resource and power it cost. this dissertation commits research on algorithm of c / a code acquisition in satellite navigation position system, and compares the acquisition means of digital differential matched filter ( ddmf ) with traditional means, and also achieves ddmf with the vhdl language and fpga platform

    擴頻碼的周期的加長會給衛星導航定位系統帶來許多相應的好處，但問題也就隨著之而來了，擴頻碼的周期越長，同步捕獲所需得的時間就越長，而且若用傳統的并行捕獲方法，將極大的耗費硬體資源，而且系統功耗會隨之增大。
  5. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括：提出了模糊隨機變量協方差和反向協方差的概念；研究了二階模糊隨機變量的均方收斂性，並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理；根據均方模糊隨機分析理論，得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程；證明了ito型模糊隨機微分方程解的存在唯一性，並給出了ito型線性模糊隨機微分方程解的表達式，統計特徵方程以及非線性模糊隨機微分方程的數值解法；得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法；研究了當觀測值是模糊數據時，線性回歸模型的建立。
  6. 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。
  7. The transmit circuit includes convolutional encoding, framing, differential encoding, shaping filter, pn generator, hopping pattern generator, etc. the main part of receive circuit is matched filter

    發送電路包括卷積編碼、成幀、差分、成形濾波、 pn發生器和跳頻圖案發生器等；接收電路的主要部分是匹配濾波器。
  8. This dissertation focuses on the application of data fusion in two - phase flow regime identification. following is the main contribution of the dissertation. 1 ) based on quartile and first order differential, a new outlier detection algorithm is presented, experiments show that the method combining with low pass filter can remove gross error and unwanted frequency components

    本文的主要工作與創新點在於： 1 ）將分位數方法與一階差分法相結合，提出了一種基於一階差分的粗差剔除方法，該方法與低通濾波器的結合可以有效去除兩相流壓力波動信號中的粗大誤差以及信號頻帶以外的頻率成分。
  9. Differential pressure controller for bag filter

    袋式除塵器用壓差控制儀
  10. The background is in charge of dealing with data, including digital filter, differential, the max, the min, drawing, and so on

    后臺機負責數據處理。包括數字濾波、求導、求最大最小值、畫圖、數據保存、圖形列印、圖形放大等。
  11. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。
  12. Fully differential current - mode leapfrog - type filter based on mddcc

    基於多輸出端差動差分電流傳送器跳耦結構濾波器
  13. The filtered solids are systematically removed from the filter during the back - flushing operation. back - flushing is actuated as a function of the differential pressure or a pre - set time, depending on the degree of contamination of the needle - slot candles

    過濾機的清洗排污過程是在設備運行過程中自動進行的，反沖時逐一清洗每個濾芯，其它濾芯仍在連續過濾，可保證濾液的連續供給。
  14. Based on existing device, the disturbance was decreased by adopting the new type of trap filter circuit and differential amplifier circuit, the measuring signal met the requirement in the end

    作者立足於現有器件，通過設計的新型陷波電路和信號差動放大電路，減小了干擾信號對測量的影響，使得測量信號達到良好的效果。
  15. The normal filter material using in the polyester melt, which presssing deformation when melt pressure is high that bringing easily the differential pressure of the melt filter is very high soon, as well as the filter candle can ' t reuse. after using the new kind of the filter material stcl4 instead of the normal and modifying the structure of the filter, the differential pressure come down very deeply. the high differential pressure problem of the melt transport in the directly spinning is successful solved

    五花八門的商品是很難用同一的技術和方法來處理的，每一類商品都有其特點，要拍攝好，必須仔細研究商品的外形、質地及用途，根據廣告的創意要求，確定好拍攝器材，給出最佳的布光和構圖，並在拍攝過程中進行嚴格的技術控制，才能取得完美的效果
  16. In the third chapter, a methodologies to realize second - order band - pass filter with which center frequency tuned in a wide range using mcdi ( multiple output current - mode differential integrator ), these two kinds of mcdi are composed of pmos and nmos input transistors respectively, lastly we compare these two integrators " merits and disadvantages

    第三章：提出了輸入級分別為pmos管、 nmos管的多輸出端電流模式全差分積分器，並由此構成了中心頻率連續可調的二階帶通濾波器，同時比較了二者的優缺點。
  17. In the paper a gmc filter with a cutoff frequency of 29. 8mhz is implemented. an effective improvement is made in cmfb ( common mode feedback ) through using a differential amplifier with four inputs. transconductors are tuned through comparing two voltages, which helps to stabilize the cutoff frequency

    文中實現了跨導電容濾波器，其截止頻率達到29 . 8mhz ；採用四輸入端的差分放大器使共模反饋得到了有效的改善；通過簡單的電壓比較實現跨導器的調諧，有助於穩定截止頻率。
  18. A kind of nonlinear differential filter for the phase compensating, and the other filter basing on the phase and amplitude compensating are introduced in the paper. the filter designed is simulated by matlab and debugged in scm

    為此研究了非線性微分校正，能產生相位超前，用於補償濾波器的相位滯后且不增加高頻增益，后又提出基於相位與幅值補償的濾波器的設計。
  19. Chapter five highlighted on some applications of surface acoustic wave ( saw ) filters that have been used in mobile and wireless communications, we have explained two applications, binary phase - shift keying ( bpsk ), and differential phase - shift keying ( dpsk ), we also proposed an application to implement the cck codewords and the cck demodulation using saw matched filter

    第五章研究了聲表面波濾波器在移動通信、無線通信中的應用，主要介紹了三種應用：二進制相移鍵控（ bpsk ） 、差分相移鍵控（ dpsk ） ，以及用saw匹配濾波器實現cck調制和解調。
  20. Filter cartridges - test methods - determination of differential pressure versus flowrate

    過濾盒.試驗方法.壓差對流率的測定
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