正弦波波形 的英文怎麼說
中文拼音 [zhēngxiánbōbōxíng]
正弦波波形
英文
sine waveform-
The experiment apparatus has been developed, which is based on software ( labview ) and hardware ( pci board ni 6024e ). the displacements and generative force at the tip of the ipmc actuators were measured with respect to the different voltages, frequents and various waveforms which include square, sinusoidal, and triangular wave
實驗選取了不同電壓幅值,不同頻率的方波、三角波、正弦波三種波形作為電激勵信號,利用高速攝像記錄ipmc的位移變形,並通過力傳感器實測了ipmc試樣末端的輸出力。Moreover, it does not necessarily need waveforms other than sinusoids, for both modulator and carrier, in order to produce interesting musical sounds
而且,它不一定需要調制器和載波波形(除了正弦波)來創作有趣的樂聲Sine, square, ramp, triangle, pulse, noise, arb
正弦波方波諧波三角波脈沖噪聲任意波形The addition of three sinewaves results in a composite wave
增加三個正弦波可形成一個復合波。The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption
本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應電動勢;採用輸出頻率可調的正弦波電流作為勵磁電流達到消除50hz頻干擾和減少正交干擾的目的;利用單片機等高端現代電子產品實現了電磁流量計的高度智能化及設計出真正的超低功耗的、可用干電池長期供電的ls旋轉流量計。These topologies of inverters are composed of two bi - boost dc / dc converters, they are symmetry. so whole circuit turn into four - quadrant converters, we can control every power mosfet on or off. then we can get sine wave with direct current polarization at the left, at the same we also can get sine wave with direct current polarization phase contrast 180 compared of the left at the right
這類逆變器由左右二個雙向boostdc / dc變換器構成,左右二邊是對稱的,所以整個電路構成了一個四象限變換器,我們可以恰當控制各功率管的開、關,使左邊的兩象限dc / dc變換器輸出一個帶直流偏置的正弦波,使右邊的兩象限dc / dc變換器輸出一個相差180度帶同樣直流偏置的正弦波形,這樣,負載zl上的電壓是左、右兩個dc / dc變換器電壓的差動輸出,正好可以消掉直流偏置,最終在負載r1上得到的就是正弦波。The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus
衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機,採用多邊形磁鏈軌跡法(電壓空間矢量法)的控制策略;動量平衡電機採用永磁無刷直流電機,通過電流環、速度環達到快速、精確跟蹤驅動電機的目的,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制,並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。The method to get the parameters for each basic waveform was given by choosing the sine window function waveform as the basic waveform, and based on the srs time - history synthesis principle
依據沖擊響應譜時域合成的一般原則,選擇合成小波中的正弦窗波作為基本波形,給出了確定各基本波形的波形參數的方法。The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary
信號檢測單元直接檢測皮帶速度,並輸出近似正弦波的電信號:信號處理與分析單元對傳感器輸出信號進行放大、整形、 a d轉換和計算等處理,並進行數字顯示;預警、報警、控制單元將信號與標準信號進行比較,經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。We modulate the amplitude of the continuous single tune jamming by noise and produce the continuous noise - modulated jamming. this kind of jamming is effective to pc radar including linear frequency - modulated radar and bi - phase coded radar
在對單頻正弦波進行噪聲調幅后形成的噪聲調幅干擾對線性調頻雷達和二相編碼雷達都是有效干擾,其干擾特性和射頻噪聲干擾類似。Error evaluation formula of measuring harmonic distortional sine wave ' s amplitude with laser interferometer
激光干涉儀測量失真正弦波形位移誤差估計式With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu, we can divide alternating current into several complete sinusoidal waves to supply some loads. it can be made as a controller or a pcb ware, which is suitable for the air conditioning, machine tool and various instruments that require electric power or rotate speed adjustment
利用晶閘管的觸發導通特性,用單片機對觸發信號進行智能數字降頻,可在交流電中切分出部分完整的正弦波形供負載使用,可以單獨做成一臺控制儀器或者作為一個控制電路板用於需要電功率和轉速調節的空調、機床以及各類儀器設備中。The second part is a detector which is used to detect the distribution of voltage on the patient ' s brain surface from all different directions. the third is a mixed signal processor ( c8051f020 ) which is used to control the other parts of the system and display some necessary information and convert the voltage signals into digital signals, as well as transmit the acquired data to the computer. the fourth is computer with eit software which is used to analyze and process the received data and construct a picture for the brain edema and haematoma on screen
32通道電阻抗斷層成像系統由4個部分組成:第一部分是正弦波恆流源,用來產生注入大腦的激勵電流;第二部分是電位信號的提取與轉換,用來提取當激勵電流注入時,在大腦表面形成的電位分佈信號;第三部分是數據採集與控制系統,用來控制激勵電流的頻率,注入方向,注入強度,控制採集大腦表面的電位分佈信號,並且將這些採集的電位分佈數據傳到pc機;第四部分是計算機eit成像軟體,用來接收下位機的電位分佈數據,並且對這些數據進行分析計算,重建電阻抗圖像。This technology broke the tra - ditional microwave therapy machine sole sine wave output treatment function, the newly creation had the pulse wave and the sine wave two kind of profiles outputs treatment function, thus has established okw series microwave therapy machine in the domestic leading status, has filled the domestic blank
自行研發生產的奧克微微波治療機,擁有自主知識產權,已獲國家頒發發明專利證書。該項技術打破了傳統微波治療機單一正弦波輸出的治療功能,新創具有脈沖波和正弦波兩種波形輸出的治療功能,從而奠定了Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing
一個方面是根據低速目標的多普勒信號可簡化為單一正弦波形式這一特點,得到了擴展的高斯色噪聲背景下的諧波恢復演算法,即高斯色噪聲中的pisarenko諧波恢復法和旋轉因子不變法( esprit ) ;並推導了信號的狀態方程和觀測方程,進而得到基於卡爾曼濾波的遞推演算法對信號進行提取;本文還簡單的介紹了低速運動目標的多普勒頻移信號的wigner - ville變換與小波變換;另一個方面是針對雜波服從高斯分佈這一特點,提出了對接收信號求累積量和高階譜來對高斯雜波進行抑制。On base of listing the technical index of switch power supply, basal principle and circuit, the chapter expounds the scheme and comes into being. chapter four is a main chapter, that expands the design and realization of control cell, lists the circuits and programs
第三章重點介紹了超聲治療的高頻正弦波產生電路的設計與實現,在詳細列出了開關電源的技術指標、基本原理、基本電路形式等基礎上給出了該系統採取的設計方案。This thesis mainly studies sinusoidal - and trapezoidal - current compound driven technology of the rare earth permanent magnet ( repm ) motor. first we respectively explore the characteristics of both sinusoidal driven and trapezoidal driven control technologies, and then study the connection between them
首先從正弦波驅動電機和方波驅動電機的基本概念和數學模型著手,分別探討正弦波驅動電機和方波驅動電機控制的特點,然後尋找方波驅動電機和正弦波驅動電機的內在聯系,將其有機的結合起來,從而形成獨具特點的復合驅動控制策略。The 33220a provides easy access to standard sine, square, ramp, triangle, and pulse waveforms plus you can create custom waveforms using the 50 msa s, 14 bit, 64 k - point arbitrary waveform function
33220a能容易地訪問標準正弦波方波斜波三角波和脈沖波形,您還能用50msa s 14bit 64k點任意波形功能建立定製波形。Sine, square, ramp, triangle, noise, arb 2 mhz to 20 khz
正弦波方波諧波三角波噪聲任意波形2mhz至20khzSine, square, ramp, arb
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