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1 Figure 18 shows a circuit for pulse-width modulation.

2 Figure 19 shows the resulting output pulse-width modulation.

3 Figure 19 shows the output pulse-width modulation.

4 The latter takes PWM(Pulse-Width Modulation) control and ZVS control as its target, synchronizes with clock to realized its driven waveform. In addition, adaptive dead-time control is analyzed.

5 Output amplitude in both modes can be controlled by varying the DC source voltage or by varying the pulse-width(pulse-width modulation, PWM).

6 The pulse-width modulation converter operating directly on the main is a new type of power supply and has been utilized as the main power supply for the electronic computer systems.

7 Then, the sinusoidal pulse-width modulation (SPWM), the space vector pulse-width modulation (SVPWM) and the whole IM drive systems are realized respectively.

8 Using space vector pulse-width modulation(SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.

9 Space vector pulse-width modulation (SVPWM) control strategies were proposed for three level inverters of traction drives in high-speed EMUs (electrical multiple units).

10 pulse-width modulation ( PWM ) technique is widely applied in many fields.

11 The control circuit in the system adopts the pulse-width modulation (PWM) technique,[www.Sentencedict.com] and uses typical integrated circuit SG3525 as PWM modulator.

12 The A/D converter comprises a digital pulse-width modulation module, a filter, a comparator, a logic operation module and like peripheral circuits.

13 The two-leg interleave pulse-width modulation method is used in battery group to reduce the ripple voltage and achieve equal-current control effectively.

14 A space vector pulse-width modulation(SVPWM)strategy was developed to avoid the failure of dead - time compensation near the zero - current point .

15 A design method of a high-efficiency, low-power, switching-power DC-DC converter with pulse-width modulation (PWM) and pulse-frequency modulation (PFM) modes is presented.

16 The YB7841 blaster is equipped with TD-2 type of charger that uses switch power with pulse-width modulation, which has complex circuit and is more difficulty to be maintenance.

17 A design method of a high-efficiency, low-power DC-DC converter with pulse-width modulation(PWM) and pulse-frequency modulation(PFM) modes is presented in the paper.

18 The variable voltage and frequency of three-phase power source based on voltage space vector pulse-width modulation drives induction motor.

19 The structure of the electrostatic producer is expatiated, and the method with which the pulse-width modulation feedback force linearizes the electrostatic force producer is purposed.

20 To achieve low harmonic distortion and fast response, the single-phase full-bridge power converter adopts sinusoidal pulse-width modulation (SPWM) unipolar switching technique.

21 The invention belongs to A/D conversion field, in particular to an integral A/D converter and A/D conversion method based on digital pulse-width modulation.