switch modulation造句
例句與造句
- In the second place , controlling using strategy of system parameter switching modulation in two hyperchaotic circuits is studied
其次，采用系統(tǒng)參數(shù)開(kāi)關(guān)調(diào)制策略，研究了兩個(gè)超混沌電路的控制問(wèn)題。 - Correlation characteristic of chaotic sequences have been studied . it demonstrate that chaotic sequences have the same characteristics as chaotic signal . replaced the random signals with chaotic signals , all kinds chaotic switching modulation mode can be obtained
將著名“蔡氏電路”產(chǎn)生的混沌開(kāi)關(guān)調(diào)制信號(hào)用于buck型dc dc變換器開(kāi)關(guān)的調(diào)制控制，使其工作在基于混沌的隨機(jī)模式。 - Passive measure include : filter , fielding , earthing , bypass , decoupling etc . positive measure have resonant switching modulation ( include soft switching modulation ) , random switching modulation and chaotic switching modulation which be studied in this thesis
從源頭上減小電磁干擾的方法有：各種諧振開(kāi)關(guān)技術(shù)(包括軟開(kāi)關(guān)技術(shù)) 、隨機(jī)開(kāi)關(guān)調(diào)制技術(shù)、以及本文研究的混沌開(kāi)關(guān)調(diào)制技術(shù)等。 - Chaotic switching modulation signals generated from different chaos sequences have been used to control smps . the effect of reducing the level of emi be compared . simulation results demonstrate : in the cpwm and cppm , chaos sequences generated from henon map is superior to the one generated from chua ' s circuit at lower multiples of switching frequency on reducing the level of emi ; in the ccfmfd , it has contrary results ; in the ccfmvd , chaos sequences generated from chua ' s circuit is superior to the one generated from henon map
仿真結(jié)果表明： cpwm和cppm模式下， henon映射混沌序列在較低次諧波處降低emi水平的效果要好于蔡氏電路混沌序列的效果。 ccfmfd模式則有相反的結(jié)果。對(duì)ccfmvd模式，蔡氏電路混沌序列比henon映射混沌序列降低emi水平的效果明顯要好。 - At first , a method for controlling chaos is studied , which is based on phase switching modulation . the n - scroll chua ' s circuit is controlled to its fixed point as well as periodic orbits by using switching modulation on one its phase . its mechanism of control is analysed using the change of the max lyapunov exponent when the system is controlled
首先，通過(guò)對(duì)多渦卷蔡氏電路中非線性特性函數(shù)的相位進(jìn)行開(kāi)關(guān)調(diào)制，把多渦卷蔡氏電路由混沌狀態(tài)控制到其平衡態(tài)和周期軌道，并用控制后系統(tǒng)的最大lyapunov指數(shù)隨時(shí)間的轉(zhuǎn)變闡述了其控制機(jī)制。 - It's difficult to find switch modulation in a sentence. 用switch modulation造句挺難的
- Chaotic switching signal obtained from chua ' s circuit was used to control buck dc / dc converter . by compared the power spectrum of input current between chaotic modulations and classical pwm , it demonstrate that chaotic switching modulations have good effect on spreading power spectrum , which can be used to reduce the level of emi and to improve emc of smps
通過(guò)對(duì)四種混沌調(diào)制模式下變換器輸入電流與周期pwm模式下輸入電流頻譜的分析比較表明，混沌調(diào)制技術(shù)在擴(kuò)展頻譜方面有良好的效果，可以用于降低開(kāi)關(guān)模式電源的電磁干擾( emi )水平，改善電磁兼容性( emc ) 。 - Chaotic switching modulations introduce low - frequency harmonic spectrum of output voltage as random switching modulation . in some case , low - frequency noise ripple offset the effect chaotic switching modulations reduce the level of emi . it indicates that the ccfmfd integrates the advantages of spreading harmonic power at the multiples of the switching frequency and not introducing significant noise ripple at low - frequency range . among all chaotic switching modulations , the ccfmfd is considered as the best choice in applying to dc / dc converter
與隨機(jī)調(diào)制模式相同，混沌開(kāi)關(guān)調(diào)制模式也引入輸出低頻噪聲紋波，有些情況下低頻噪聲紋波可能抵消混沌開(kāi)關(guān)調(diào)制降低emi水平的效果。分析表明： ccfmfd模式具有較好的降低emi水平和引入較小低頻紋波的優(yōu)點(diǎn)，可以作為混沌調(diào)制模式較佳的選擇。 - Chaotic switching modulations generated from different chaos sequences introduce low - frequency output noise ripple : in the cpwm , cppm and ccfmvd , the output noise ripple introduced by henon map chaos sequences is smaller than chua ' s circuit chaos sequences ; in the ccfmfd , chua ' s circuit chaos sequences introduced smaller noise ripple . this clue to us that it is important to choose chaos sequences in applying chaotic modulation to dc / dc converters
不同混沌調(diào)制信號(hào)對(duì)輸出紋波影響的分析結(jié)果表明： cppm 、 cpwm和ccfmvd模式下， henon映射混沌序列引入低頻噪聲紋波比蔡氏電路摘要混沌序列要小; ccfmfd模式下，蔡氏電路混沌序列引入的低頻紋波要小。這提示我們:在開(kāi)關(guān)模式電源使用混沌調(diào)制控制時(shí)混沌序列的選擇也具有重要性。