amplitude modulation造句
31. Quadrature Amplitude Modulation (QAM) is widely applied in modern communications systems. The carrier recovery is one of the key factors, which decides the overall performance of the receiver.
32. Because of the loss resistance of varactor and the isolation of circulator, parasitic amplitude modulation exists in reflectionmicrowave linear phase modulator.
33. This system of modifying the carrier waves is called " Amplitude Modulation, " or " AM ".
34. QAM (Quadrature Amplitude Modulation) has been widely used in various digital communication systems due to its high modulation efficiency.
35. Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.
36. The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
37. Quadrature Amplitude Modulation(QAM) is used to transfer signals by digital TV system based on DVB_C standard.
38. Single sideband amplitude modulation is the major model of the military software radio.
39. This scheme can greatly reduce sampling frequency, eliminate the effect of the parasitic amplitude modulation and overcome the carrier frequency drift.
40. The parameters of tripler under amplitude modulation and phase perturbation have been optimized.
41. To decrease the number of clock phases,[www.] the idea using adaptive interpolation is proposed for Gigabit Ethernet with pulse amplitude modulation (PAM).
42. A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.
43. We also analysed the influence of amplitude modulation and frequency (or phase ) modulation on Interferometer Direction Finder.
44. We add amplitude modulation onto the CW laser and measure the modulation amplification between seeding and output laser.
45. The amplitude modulation is one of the the important examination index of the medium wave shoot technique.
46. DC high voltage amplifier developed using amplitude modulation includes an amplitude modulator, a power amplifier, a step-up transformer, and a linear detector.
47. According to the different way of modulation mode, multi-route amplitude modulation has two kinds including dir-modulation optical transmitter and outer modulation optical transmitter.
48. By method of illustration, we introduce envelope demodulating instead of multiplying demodulating for balance amplitude modulation wave.
49. A new variable step-size blind equalization algorithm based on the multi-mode error switch is proposed by considering the characteristics of the Multiple Quadrature Amplitude Modulation(MQAM) signals.
50. EYS was the key basis of spinning technology determination direction and amplitude modulation.
51. From this point, M-ary Quadrature Amplitude Modulation (MQAM), MultiCarrier Modulation (MCM) and adaptive modulation techniques are good candidates in next generation mobile radio system.
52. The traditional methods for identifying beat wave and amplitude modulation wave are shortage. The main disadvantage of these methods is that they can' t correctly identify in some cases.
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