pulsed frequency modulation造句
例句與造句
- Pulse frequency modulation control system
脈沖調(diào)頻控制系統(tǒng) - Pulse frequency modulation magnetic tape record type strong - motion instrument
脈沖調(diào)頻式磁帶記錄強(qiáng)震儀 - Pulse frequency modulation pfm
脈沖頻率調(diào)制 - Pfm pulse frequency modulation
脈沖頻率調(diào)制 - Pl pulse frequency modulation
脈沖頻率調(diào)制 - It's difficult to find pulsed frequency modulation in a sentence. 用pulsed frequency modulation造句挺難的
- Pulse frequency modulation
脈沖頻率燈 - The simulation results are all in accordance with the theory analysis , some even better than the theoretical specification . the basic principle of discrete pulse frequency modulation on step - up dc / dc converter is testified , and this effort accumulates more experience to design
在完成電路原理分析與電路設(shè)計(jì)的基礎(chǔ)之上,應(yīng)用eda軟件hspice對(duì)各個(gè)子電路模塊和整體電路進(jìn)行了功能仿真及量化模擬,仿真結(jié)果均達(dá)到或優(yōu)于預(yù)定指標(biāo)。 - At present , there are three kinds of modes of modulation including pulse width modulation ( pwm ) , pulse frequency modulation ( pfm ) and the modulation of combination of pwm and pfm . lots of products using above modulations are designed in many famous companies
目前,在功率變換系統(tǒng)中常見(jiàn)的有三種調(diào)制模式:脈寬調(diào)制模式( pwm , pulsewidthmodulation ) 、脈頻調(diào)制模式( pfm , pulsefrequencymodulation )和二者可以相切換的pwm / pfm模式。 - First , the operational principle of the boost converter which includes continuous mode and discontinuous mode was analyzed as well as the basic theory about current mode and the circuit modulation which includes pulse width modulation ( pwm ) and pulse frequency modulation ( pfm )
首先分析boost電路的兩種工作模式,即連續(xù)電流模式和不連續(xù)電流模式,然后分析了目前應(yīng)用比較廣泛的電流反饋控制模式,最后對(duì)頻率寬度調(diào)制( pwm )模式和頻率脈沖調(diào)制( pfm )模式進(jìn)行了對(duì)比分析。 - （ 2 ） the major circuit has been established , composed of rectifier 、 buck - chopper 、 push - pull inverter and matching network , which realizes high - power supersonic ac output . to achieve maximal output power , the pulse frequency modulation ( pfm ) has been applied to auto - adjustment of output frequency , which corresponds to the load ' s resonant frequency
（ 2 ）建立了超聲電源主電路，其中包括：整流、直流斬波、推挽逆變器和匹配網(wǎng)絡(luò)等部分，實(shí)現(xiàn)了大功率超聲頻交流電的輸出，輸出頻率的脈頻調(diào)制（ pfm ）和輸出功率的脈寬調(diào)制（ pwm ） 。 - The temperature range is - 30 ~ 80 . the topology of the step - up dc / dc converters and its basic principle is first analyzed in this thesis . then based on the conventional pfm control scheme , a discrete pulse frequency modulation is presented and the state space average model related to the ccm ( continue current mode ) and dcm is established
然后在傳統(tǒng)的脈沖頻率調(diào)制方式的基礎(chǔ)上,分析了一種離散脈沖頻率調(diào)制方式,并建立了這種調(diào)制方式下升壓型dc / dc變換器在電流連續(xù)( ccm )工作模式和電流斷續(xù)( dcm )工作模式的狀態(tài)空間平均模型。 - In order to solver the existed problem , a serial load resonant converter with compensated resonant inductor circuit topology is presented in the paper . moreover , to enhance the anti - disturbing ability of power supply system , the control strategies of pulse frequency modulation ( pfm ) and frequency tracking methods ( ftm ) are adopted
該公司原有臭氧電源采用將逆變器輸出方波電壓經(jīng)升壓變壓器,直接施加于臭氧發(fā)生器上,存在開(kāi)關(guān)管損耗大和開(kāi)關(guān)應(yīng)力大、開(kāi)關(guān)管和吸收回路發(fā)熱嚴(yán)重、效率低等問(wèn)題,限制了電路的輸出功率進(jìn)一步提高。 - The converter was designed to drive up to a 5 white leds with a constant current when the device operates with pulse width modulation ( pwm ) and to power an organic led display with a constant voltage when the circuit operates in pulse frequency modulation ( pfm ) for higher efficiency
它采用1 . 5微米bicmos / dmos工藝,輸入電壓范圍是2 . 7 5 . 5v ,電路以恒定電流驅(qū)動(dòng)5個(gè)串連白光led或者以恒定電壓驅(qū)動(dòng)一個(gè)oled顯示器。在輸出恒定電壓時(shí)采用pfm調(diào)制方式;輸出恒流時(shí)則采用pwm調(diào)制方式。