諧波分析儀 的英文怎麼說
中文拼音 [xiébōfēnxīyí]
諧波分析儀
英文
harmonic analyzer- 諧 : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
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The high resolution and fast processing give xitron power analyzers the unique capability to perform complete iec - 1000 - 3 testing in a stand alone fashion. the user can select a simple pass fail type display, or report all harmonics per iec1000 - 3 - 2 for each of the individual classes
高解析度與快速處理使xitron功率分析儀能進行完整的iec1000 - 3測試,用戶可選取簡單的合格不合格顯示,或根據iec - 3 - 2標準記錄全部諧波的個別內容The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。It is composed of a cvt embedded voltage monitor and voltage quality analysis software. the monitor can detect voltage amplitude and voltage harmonics on line, and record waveform of disturbance voltage. the sampled data can be stored in computer by communication and can be reprocessed by the analysis software
在理論分析研究的基礎上,設計了一種cvt嵌入式電壓質量監測儀,它由cvt嵌入式電壓監測儀和電壓質量監管軟體組成,可以在線檢測電壓幅值和電壓諧波,記錄電壓擾動波形,並在上位機實現數據二次處理和統計管理。First, the harmonic analysis method based on fft is discussed, and some practical issues in the application of fft are investigated. the factors which affect the calculation precision of harmonics, such as sampling and weighting of window function, are analyzed, and then the instructive conclusions for designing voltage monitor are obtained
首先闡述了基於fft的諧波分析方法,對fft實際應用中的問題進行了研究,通過實際算例探討了采樣方法、窗函數加權等影響諧波計算精度的因素,得到了對電壓質量監測儀的設計具有指導意義的結論。A virtual checkout instrument and harmonic analyzer instrument based on lab view is developed
用labview編制了虛擬電流互感器校驗儀及諧波分析儀程序。It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load. the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed. a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented, and the results of simulation show that it has higher accureacy
本文對電力系統諧波的測量方法,數據處理及電力牽引負荷對電力系統的影響進行了研究,論述了目前國內外生產的諧波分析儀用於快速波動諧波負荷的測量不滿足國標的要求,分析了諧波分析儀普遍採用的ft或fft演算法所產生的測量誤差,提出了一種不受非周期分量影響的全周波離散傅里葉演算法,模擬結果表明精度好。Traditional energy meter can cause errors under the condition of harmonics due to its structural characters, and at the same time harmonic loads take in foundational power and send out harmonic power. this paper proposes a new way and realizes accuracy and fair energy metering
傳統的電能表在諧波存在下由於自身的結構特性會產生誤差,就此進行分析提出了新的電能計量方法,應用虛擬儀器技術實現了準確、公平、合理的電能計量。The design of virtual high accuracy harmonic distortion analyzer
高精度虛擬諧波失真度分析儀的設計For the first time, three types of sine structures for wavelength linear scale in grating spectrum instruments are described systematically. the tuning structures for wavelength linear scale in both littrow and littman set - up external - cavity laser diodes are designed
( 3 )首次系統地分析了光柵光譜儀器中的三類正弦機構,分別設計了可實現波長線性標度的littrow和littman外腔半導體激光器調諧機構。The demodulation method of fiber grating is the key method of fiber grating sensor. the main demodulation method includes : grating matching method, tunable fabry - perot cavity method, non - balance mach - zehnder interferometer method and tunable narrow - band light source method. the tunable fabry - perot cavity method is discussed in detail, and a demodulation system based on dsp is put forward
光纖光柵的解調技術是光纖光柵傳感器的關鍵技術,本文討論了光纖光柵的波長解調方法,包括匹配光柵法、可調諧f - p腔法、非平衡mach - zehnder干涉儀法和可調諧光源法等,詳細分析了可調諧f - p濾波器的特性和解調原理提出了一種基於dsp的解調光纖光柵波長的可調諧法布里一珀羅腔解調方案。In order to get suitable algorithms which are accuracy, feasible, practical and convenient to be realized by virtual instrument, this paper firstly analyzes measuring algorithms of major power quality parameters, such as voltage, current, frequency, harmonics, flicker, unbalance factor etc. then two algorithms, the one for basic power quality parameters measurement based on spectrum correction and the other one for flicker measurement based on fft, are presented
基於虛擬儀器技術的電能質量測試儀應用靈活,升級方便, 「軟體就是儀器」的特色使測試儀各種通用功能和預期功能的方便實現成為可能。文章對電能質量的一些主要指標:電壓、電流、頻率、諧波、電壓波動和閃變、三相電壓不平衡度等的測量演算法進行了分析,尋求適合虛擬儀器實現的,切實可行、計算精確、實用性強的計算方法。The error of distortion which harmonic distortion meter detects can be least controlled 1. the lowest frequency which harmonic distortion meter can detect is 0. 0001hz. but, generally, this kind of meter is so costly and difficult to operate that the major portion of the distortion meters applies the method of suppressed fundamental harmonic
採用諧波分析法的失真度儀測得的失真度的最小誤差可控制在千分之一以下,頻率最低可達到萬分之一赫茲,但普遍存在儀器價格較貴,操作繁瑣的缺點,現在用的失真度測試儀大多是用基波抑製法。It adapts to be used in the foul and hazardous environment. the hardware of this apparatus is designed, such as light path design, gas chamber fabricating and light source drive
文中詳細討論了光纖傳感二氧化硫氣體濃度檢測儀的硬體設計,進行了光路、氣室的設計,並詳細分析和討論了光源的驅動及其穩定性、光源的調制、諧波信號的拾取和處理等問題。Series power analyzer
功率諧波失真分析儀As the development and application of microcomputer and single - chip microcomputer, the cost of harmonic distortion meter decreases rapidly
隨著微型計算機和單片機的發展與應用,大大降低了採用諧波分析法的失真度儀的成本。The paper introduces pm series power analyzers commonly used by domestic and foreign experts in power supplies, which meets the requirements on measurement and testing on telecom power supplies in research and de velopment or operation and maintenance
文中介紹了國內外電源專家廣泛使用的pm系列功率諧波分析儀,其能滿足通信電源研製生產和運行維護的測試要求。The design of software is composed of the development of virtual panel interface and the research of algorithm of measuring electric variable. the most popular vc + + 6. 0 is used here to complete the development of the former which concludes the dynamic display of input wave - form, real - time displaying rms, power and power factor, harmonic analysis and measuring the voltage fluctuation and flicker
其中,虛擬儀器面板界面的開發在目前最流行的可視化編輯工具visualc + + 6 . 0 ( mfc )下實現,完成了輸入電壓、電流波形的動態顯示,波形頻率、有效值、功率以及功率因數的實時顯示,諧波分析以及電壓波動和閃變的檢測。分享友人