諧波失真 的英文怎麼說
中文拼音 [xiébōshīzhēn]
諧波失真
英文
hd harmonic distortion-
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。Harmonic distortion is one of the most common non - linear distortions, and it affects the playback performance of audio devices directly. harmonic distortion graph reflects the distortion distribution in the whole audio frequency range
諧波失真是音頻設備最常見的一種非線性失真，它直接影響到音頻設備的重放效果，諧波失真曲線圖反映出設備在整個音頻范圍內的失真分佈情況，是衡量設備性能的重要參數。Thd n total harmonic distortion plus noise
總諧波失真加噪音The capacitance offset averaging network is used in the distributed track - and - hold circuit block of the designed system. finally, according to the analysis on error effects in adc, the mathematics error model is simulated. furthermore, the input - output characteristics including input -
最後，基於對a / d轉換器系統中誤差的分析，對其誤差數學模型進行了模擬，得到了包含延遲、限幅、諧波失真等誤差的輸入輸出特性曲線。Based on the geophone vibration formula, this paper presents the affective factors to the seismic data from high resolution geophone arrays and its main property specifications, such as natural frequency, damping coefficient, sensitivity, harmonic distortion, and alias
為此，從檢波器的振動方程出發，對高解析度地震檢波器性能指標（如自頻率、阻尼系數、靈敏度、諧波失真、假頻等）以及檢波器組合的連接方式對地震資料品質的影響進行了分析。Five, the wave lose true harmonic distortion
五諧波失真harmonic distortion1 harmonic distortion at low amplitudes is limited by a
1低頻諧波失真受- 70dbm本底限制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Audio frequency harmonic distortion
聲頻諧波失真Least square method based measurement of sine wave total harmonic distortion
基於最小二乘法的正弦波諧波失真度測試Thd total harmonic distortion
總諧波失真In addition, the c1ose - - 1oop cofltro1 part is devised, u1timate1y getting the pure sine wave with high rate of voltage use and 1ow distortion of harmonic wave
此外，還設計了閉環控制環節，最終得到具有高的電壓利用率和低諧波失真的純凈的正弦波。In this dissertation, researching from the basic concept of large signal network analysis, we discuss the measurement theory and technology of rf network nonlinearity and the characterization technology of intermodulation distortion in detail, and analyse some nonlinear characteristic excited with a one tone or multi - tone, such as am - am, harmonic distortion, intermodulation distortion, adjacent channel power ratio and how to qualitatively analyse nonlinearity of rf network to make the measurement and calibration
本課題從大信號網路分析的基本概念出發，詳細討論了射頻網路非線性的測量理論和技術以及互調失真表徵技術，分析了在單頻音和多頻音信號激勵下的一些非線性特性，如am - am ， am - pm ，諧波失真，互調失真（ imd ）和臨近通道功率比（ acpr ）等，以及根據包絡域方法定性地分析射頻微波網路的非線性特性，以此來進行射頻網路的非線性測量和校準。Is divided into the wave to lose true, with each other the lose true lose with true three kind
分為諧波失真互調失真和瞬態失真三種。Phase - modulated 3 step level inverters and its minimization of thd
相位調制的三級電平階梯波逆變器及其總諧波失真度的最小化It was satisfied for performance testing of high - speed a / d circuit in the project assess the factors of reducing a high speed a / d circuit performance were found out, such as harmonic distorted in front analog circuit, . sample clock shaking, analog power and the noise in ground plane etc
並在試驗測試的基礎上找出了影響高速模數轉換電路轉換性能的幾個主要的因素，即：前端運放電路諧波失真、采樣時鐘抖動、模數電源及共地噪聲串擾等。We are usually it is really wave that what say lose lose true, point at the voice return to put of process inside, increased the original signal the composition of high wave that have no but cause of lose really
我們通常所說的失真是諧波失真，指在聲音回放的過程中，增加了原信號沒有的高次諧波成分而導致的失真。Test results show that this adc achieves the snr of 90 db and distortion ratio of 0. 0248 % for a 20khz signal bandwidth while operating under a single 3. 3v supply
晶元測試結果顯示其信噪比達到90db ，總諧波失真0 . 0248 % ，基本達到了預期的設計指標。The system had auto startup and stop function by software. the dsp based motor control system had lower current harmonic, more efficient use of supply voltage than spwm, less switch loss. on the other hand, this system make a lower noise for the pwm modulation. frequency is up to 20khz
本系統實現了電機的軟啟動、軟關斷功能，電機電流的諧波失真較少，電壓利用率比常規的正弦波脈沖寬度調制（ spwm ）有了較大的提高，器件的開關損耗也得到了明顯的減少。Abstract ： conventional ups systems operate to protect against such harmonic distortion brought by nonlinear load using complex filtering schemes, often employing large passive components
摘要：對于非線性負載所引起的諧波失真，傳統的逆變系統通常採用復雜的大規模無源元件濾波方案來濾除。分享友人