phase function 中文意思是什麼

phase function 解釋
相函數
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • function : n 1 功能,官能,機能,作用。2 〈常 pl 〉職務,職責。3 慶祝儀式;(盛大的)集會,宴會。4 【數學】...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. Superficially it is quite safe to phase advance an accelerometer signal as the error signal has been filtered by the servo and the alrframe transfer function.

    從表面上看,因為誤差信號已被伺服機構和彈體傳遞函數濾波,所以讓加速度計信號經相位超前網路是不會有問題的。
  3. The relative phase shift between s - and p - light is a function of the incident angle, and changes highly with the incident angle in the vicinity of the critical angle

    S光與p光的相對相位差是入射角的函數,當入射角在臨界角附近變化時,相對相位差會隨著入射角高靈敏度變化。
  4. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  5. On the other side, we use the method of optical formation process to introduce two fundamental filtering function in frequency domain of coherence system of awg two optical processors are designed, that is optical signal add / minus and phase filter

    另一方面,運用光學信息處理方法,我們探討了awg型相干系統頻譜區兩類基本的濾波函數的引入,設計了兩種光信號處理器:光信號加減器以及位相,濾波器。
  6. Dds951 series electronic single - phase electric meter is the most advanced static electronic meter in china. the meter designs use large - scale intergated circuit. high reliability step motor, it can the ac single - phase active energv voltage rating : 220v : frequency 50hz, positive and negative two directions and accumulates in one direction. the test singnal is isolated by phototransistor : it also has the function of anti - fraud, and indicates it s operation situation on flash light, so it could be managed very easy

    Dds951單相電子電能表,是金雀儀表公司開發的新型電度表。該產品是採用規模專用集成電路,高可靠性步進電機等先進技術製造的國內最新電能試題新產品,用來計量額定電壓為220v ,頻率為50hz的交流單相有功電能,該產品能夠精確計量正負兩方向的有功電能,且以同一個方向累計。
  7. 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。
  8. Thirdly, phase retrieval by use of gerchberg - saxton ( gs ) algorithm based algorithm and phase retrieval by use of a green ’ s function under neumann boundary conditions is applied to dgwfs. the phase retrieval of combinations of zernike is simulated in computer

    第三章分別對基於gesrchberg - saxton法( gs法)的迭代法和neumann邊界條件的green函數法的波前恢復進行了計算機模擬,並給出了具體程序框圖。
  9. It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules

    概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現,利用該晶元的資源,實現各模塊的調度,完成對導航電文的提取,重新組幀,定位解算以及對外介面;在解算部分,把載波相位定位與碼測距定位相結合,利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試,以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。
  10. Using molecular imprinting method, the 1, 3 - dimethylxanthine theophylline, tho molecular recognition membranes, containing an segments as membrane formation sites and aa segments as functional sites, were prepared by the phase inversion technique. here, tho was selected as a template molecule. the hydrogen bonding between aa segments and the tho templates was measured by ft - ir and nmr. the tho templates can be removed from the membrane through washing with acetic acid aqueous solution. the permeation of tho through the membranes is far more than that of 1, 3, 7 - trimethylxanthine caffeine, caf, which demonstrated the function of tho molecular recognition of the membrane. the results also show that the increase of the tho templates concentration in the cast solution caused an increase of tho amounts taken into the copolymer membrane

    Ft - ir及nmr測試結果表明:制備的高分子膜中, tho模板分子和膜中的丙烯酸功能殘基存在著氫鍵鍵合作用。大量的極性醋酸水溶液可抽出膜中的模板分子。 tho溶液和與模板分子具有相似結構的1 , 3 , 7 -三甲基黃嘌呤咖啡因, caf溶液的基質透過實驗結果:進入膜結構中tho分子的量遠大於caf分子,這表明制備的高分子膜具有tho分子識別功能。
  11. The square pattern has been obtained for the first time in dielectric barrier ar / air discharge at atmospheric pressure by using the double water electrodes and its spatio - temporal dynamics is measured by optical method. the phase diagram of pattern types as a function of air concentration and applied voltage by fixing other parameters is given

    本論文採用特殊設計的雙水電極介質阻擋放電實驗裝置,首次在氬氣與空氣的混合氣體中獲得了大氣壓常溫下的穩定正方網格斑圖,並對其進行了時空動力學測量。
  12. At first, double random phase encoding techniques are looked back and its improved methods are introduced in detail. in connection with characteristics of spherical wave gene and function of phase mask, one random phase encoding techniques are proposed with spherical wave based on 4f system

    本文首先對雙隨機相位加密技術進行了回顧,並對它的一些改進方案的特點作了詳細介紹,並在此基礎上,根據球面波相位因子的特點和相位掩模在加解密中作用,提出了一種利用球面波照射4f系統的單隨機相位編碼加密的新方法。
  13. Note1 : 4896 9648 two model instrument, if input signal wiring is tri - phase three - wire, then it without alarm function

    電流: 0 5a注1 : 4896 9648兩種型號的儀表,輸入信號接線為三相三線制時不帶報警功能。
  14. For phase space reconstruction of ship - radiated noise, using auto correlation function and mutual information to select the delay - time, and using false nearest neighbors method to select the embedding dimension

    從自相關函數及互信息嫡兩個方面討論了相空間重構中延遲時間的選擇。
  15. In the fourth chapter, firstly, the fsk / psk signal function is presented, then, the signal which frequency and phase are modulated by costas code and barker code for each are analyzed at the same time. after that, the target returns and clutter returns are analyzed and modeled. at last, both of the time correlation characteristics and space correlation characteristics are theoretically analyzed

    在第四章中,首先給出fsk / psk信號的表達式,並對一種分別採用costas碼和barker碼進行頻率和相位調制的fsk / psk信號進行分析,然後對fsk / psk信號的目標回波和雜亂回波進行分析與建模,接著,對雜波信號的時間相關性和空間相關性進行理論分析,由分析結果可知, fsk / psk雷達雜波的時間相關性不變、空間相關性增強。
  16. Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle

    然後根據t矩陣方法,採用回轉體微粒消光特性的計算模型編制出的相應程序,對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。
  17. The mathematic and physical design of the phase function : industrial automation program

    信號的相位函數式的數理法設計
  18. The system is a demo program, and distinguishes all kinds of functions very obviously. it implements each phase function step by step, in order to explain the particular process of digital signature and integrality validation

    整個系統以演示為目的,將各種功能明顯地加以區分,分步實現各階段的功能,旨在說明數字簽名與數據完整性驗證的詳細過程。
  19. The spurious peaks of the cubic phase function ( cpf ) for multicomponent is first identified by theory and by simulations and hence the identifiability problem arises. by exploiting the different dependence of auto - terms and cross - terms on time, the product cubic phase function is proposed to resolve the identifiability problem

    5 .提出了廣義三次相位函數,推出了基於廣義三次相位函數的二次調頻信號參數估計方法,通過一階擾動分析導出了廣義三次相位函數的理論性能。
  20. Nowadays, the popular image segmentation methods almost take part in the time space of the image, but in this paper, the processed images are transformed form time space to frequency space. thus avoid dealing with isolated pixels in the image, and use correlated phase function as the judgment rule to search for the optimal threshold value from the global solution space

    目前,大多數圖像分割方法都是在時域進行的;本文將圖像從時域變換到頻域,避免了對圖像中每一個像素進行單獨處理,使用了相位相關性函數作為評價函數,全局搜索最優解。
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