最大輸出信號 的英文怎麼說
中文拼音 [zuìdàshūchūxìnháo]
最大輸出信號
英文
spiking output- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
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The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking
具體研究方法如下: 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號,然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號,並提取目標的時差和多普勒頻率,再結合由天線獲得的目標方向等參數,就可以實現目標的定位和跟蹤。The problem discussed in this paper is to separate two ( or more ) input signals from observed signals which are generated by passing input signals through diffrent unknown multi - input multi - output linear systems. it is proved that the input signals can be separated when they are independent identitically distributed ( i. i. d ) signals. a new algorithm for multi - input multi - output blind deconvolution via maximum entropy is presented which needs no information about the input signals and mixing filters
本文研究的問題是從觀察信號中分離出兩個(或者更多個)輸入信號,其中每一組信號分別通過不同的未知多輸入多輸出線性系統.本文證明了當輸入信號是兩兩相互獨立的獨立同分佈信號時可以分離出輸入信號,並導出了基於最大熵的多輸入多輸出盲解卷新演算法.這個演算法不需要任何關于輸入信號和混合濾波器的先驗知識In the part of the transmitter, the pre - amplifier logarithmic amplifier, temperature complement circuit, anti - disturbing circuit, and v / i circuit, are discussed. the transmitter outputs 4 - 20ma. in the part of the displayer hardware design, the i / v convert circuit and the flame intensity signal processing circuit are introduced
在探頭的設計中,詳細介紹了前置對數放大器電路設計,在對數放大器加入了溫度補償電路和抗干擾電路,以保證測量精度和較大的量程,最後信號經電壓電流的轉換,得到4 - 20ma的標準信號作為探頭的輸出信號,進行遠傳。It has wide frequency width and high frequency relution. the maximum output frequency can get to 80m and the highest frequency relution can get to 1 u hz, the waveform memory is 64k. it has the important reference value for three classical structures - pc bus card, stand alone, vxi module
該任意波形發生器不僅能產生正弦波,方波,三角波等常用的標準信號,還可根據用戶的需要生成任意波形,具有寬頻帶,高的頻率解析度等特點,其波形最高輸出頻率可達80m ,頻率解析度可達1 hz ,波形最大存儲深度為64k ,對于目前三種典型的任意波形發生器的結構? pc總線插卡式,獨立儀器, vxi模塊都有重要的參考價值。( chinese patent, zl0222116022 ) chapter 3 analyses the response signal of one - port passive saw resonator, which is stimulated by wireless request signal ; adopts the method of maximum likelihood estimate to measure the carrier frequency of the transient response signal
第三章介紹了saw諧振器在無線查詢信號激勵下產生的傳感輸出信號的理論模型,並對其有效性進行了實驗驗證;在此基礎上,根據傳感信號的瞬態特徵,運用最大似然估計原理估計傳感信號的主頻。It works at high frequency with a selectable pin outside ; the working frequency is fixed at 640k / 1. 2mhz. so far as the output signal of the single - chip ic is concerned, the maximum time proportion of its high level is 88 percent, but the minimum one is 10 percent
該控制器為pwm脈沖寬度調制方式;電路正常工作溫度范圍為- 20oc 85oc ;工作開關頻率根據外圍電路輸出電壓需要為640k / 1 . 2mhz可選;輸出信號的最大占空比為90 % ,最小占空比為10 % ,晶元主要應用於lcd電壓電源管理設備。Stochastic resonance has attracted the attentions in many fields of science in recent decades, but it is a new method and theory in signal processing. in context of signal processing, for signal transmission by nonlinear systems, stochastic resonance is commonly described as an increase hi the signal - to - noise ratio ( snr ) at the output, which is obtained through an increase of noise level or tuning system parameters
從信號處理的角度來講,隨機共振是在非線性系統信號處理中,輸入為強噪聲背景下的微弱信號,系統輸出以適宜的物理量來衡量,如信噪比,通過調節輸入噪聲強度或系統參數,都可使得系統輸出信噪比達到一個最大值,此時,稱信號、噪聲和非線性系統所產生的協同現象為隨機共振。In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected
論文首先闡述了激光測距和調制信號源的基本原理,分析了影響測距精度的因素,指出應用dds技術可以實現寬帶、高精度的調制信號輸出,說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法,採用這種檢相技術,可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計,並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計,並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied
提出用陣列信號源的估計來判斷激光檢測系統硬體性能;用接收信號波達角的估計得出陣列信號最佳權向量;用權向量的加權求和獲取期望信號的最大輸出功率,同時基於davidl . donoho軟閾值理論,進行多層小波降噪,重構原始路面信號。A kind of mud based on transversal equalizer is recommended, and the performance analysis of ds - cdma systems based on that mud has been done under synchronous channels. then the expression of output signal is deduced. also, the relations among sinr of output signal, snr and correlation matrix of spread code the least mean square error ( lms ) adaptive algorithm is applied to the mud
論文引入基於橫向均衡結構的多用戶檢測器,用矩陣方法推導了awgn通道下、同異步系統中信號輸出表達式,依據最小均方差準則,討論了同步方式下檢測器的輸出信號干擾比與信噪比、擴頻碼相關陣以及用戶功率大小等因素間的關系。The output signal of pda is affected by the suspended particle concentration, particle size, and the type and dosage of coagulant as well. by analysing the fi curve, it is found that the characteristic parameters of fi curve closely relate to aggregates size and turbidity removal the aggregates size and turbidity removal achieve the maximum when the amplitude of fluctuation is the maximum. the mean diameter and fractal dimension increase with agitation time, and finally reach a steady - state
通過對混凝過程的在線監測和對pda輸出信號fi曲線的數學解析表明: fi曲線綜合反映了懸濁液中膠體顆粒濃度和顆粒粒徑,混凝劑種類和投量很大程度上影響了fi曲線形狀, fi曲線的特徵值與絮凝體平均粒徑和濁度去除率之間具有良好的相關關系,在振幅最大處,濁度去除率達到最高,絮體平均粒徑最大,該條件下對應的投藥量為最佳投藥量。The key of the algorithm is identification of plant. based on analysis and calculation, the thesis presents the theory and method for minimum phase plant identification. the plant with uncertainty can be estimated through plant response to a short - duration step control effort acting directly on the plant so that the pdf control coefficients can be computed
該演算法最重要的是對對象的辨識,經過大量的分析與運算,本文提出了在對象為最小相位時,辨識對象的階數及其高階項系數的理論和方法,即以階躍信號直接激勵被控對象,對其輸出信號進行差分運算,利用所得的值判定對象的階數及其高階項系數。Measuring ranges broad : min range 0. 5 kpa, max range 700 kpa anti - interference ability strong, output signal stable structural ingenuity, easy to install and use
測量范圍寬:最小量程0 . 5kpa最大量程700kpa抗干擾能力強,輸出信號穩定結構精巧安裝使用方便高精度高可靠性精密溫度補償性能價格比高Measuring ranges broad : min range 0. 5 kpa, max range 700 kpa anti - interference ability strong, output signal stable structural ingenuity, easy to install and use high - precision, high reliability precise temperature compensation high ratio of performance price
測量范圍寬:最小量程0 . 5kpa最大量程700kpa抗干擾能力強,輸出信號穩定結構精巧安裝使用方便高精度高可靠性精密溫度補償性能價格比高The features of this circuit are designed as : the input voltage ranged from 2. 5v to 7v, and the working frequency is fixed at 1. 0mhz, pwm maximum duty cycle is 87 %. this ic chip can be used to drive white led displays in cellphone, digital camera, mp3 player, pda and other portable digital devices
該電路的輸入電壓范圍是2 . 5v ~ 7v ,工作頻率1 . 0mhz ,輸出信號工作的最大占空比為87 % .此晶元可以用於驅動手機, pda ,數碼相機, mp3等數碼產品的led 。This means that the dynamic range ( ratio of lowest to highest value ) of the output signal is expanded, and light measurements can be made in greater detail
這就意味著輸出信號的動態范圍(最低和最高信號之間的比率)被擴大了,同時光線的細節也會更好的被記錄。The non - blocking matrix of figure 1 - 15 allows simultaneous connection of multiple input / output signal paths, up to the full number of matrix inputs, if desired
圖1 - 15中的非分塊矩陣可以同時連接多個輸入/輸出信號路徑,最多可達到矩陣輸入的最大數量。For the cell working range ascertainment, the algorithm determines the maximum output load, the minimum output load, the maximum input signal slope and the minimum input signal slope ; for the cell working surface representation, the algorithm inserts the characterization points dynamically. the table optimization algorithm for redundantly characterized points is proposed. its result table can represent the whole parameter surface accurately and concisely
通過計算單元在各測試狀態下的最大、最小輸出負載,輸入信號的最大、最小斜率,演算法能精確計算單元的工作曲面范圍;通過參數測試點的動態插入,演算法能獲得最佳的參數測試點,最大程度地表徵整個參數曲面空間。This contact is normally closed, if an error occurs short - circuit at supply voltage -, sensor or signal cable of force transducer max. output signal exceeded problems with supply voltage the output opens
但如果有錯誤供電電壓短路傳感器或力傳感裝置的信號線超出最大輸出電壓或者供電電源有故障發生時,觸點的輸出打開。Maximum force in the direction of the force transducer s axis of measurement, up to which a defined and repeatable relationship exists between force and output signal, but where protection against overloading that may be present does not yet operate
在力轉換器測量軸的方向上的最大力。小於這個力時,力和輸出信號之間有定義的可重復的關系。但不符合有過載保護的情況。分享友人