单词 | Amplitude modulation |
例句 | 1. Amplitude modulation ( AM ): The form of modulation. 2. I retrofitted our ommunications to an amplitude modulation. 3. The second is amplitude modulation dot notation. 4. The driver uses pulse amplitude modulation(PAM). 5. Quantized Pulse Amplitude Modulation? 6. Analyzing bubble dynamics with a sinusoidal amplitude modulation wave driving. 7. With 1kHz voltage modulation and harmonics detection, residual amplitude modulation (RAM) noise were carried out experimentally. 8. Compared with PAM (Pole Amplitude Modulation) theory, the minimum symmetric group theory is more effective in implementation of AC machine pole-changing winding's non-regular arrangements. 9. Pulse position amplitude modulation (PPAM) is a new modulation scheme that combines pulse position modulation (PPM) and pulse amplitude modulation (PAM) together. 10. Multi-level Quadrature Amplitude Modulation is very sensitive to carrier phase noise. 11. Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions. 12. The Armstrong Phase Modulation (PM) and Double Amplitude Modulation (AM) vector composing PM both are vector composing style circuits in the course "Radio Frequency Circuits". 13. A low-complexity adaptive quadrature amplitude modulation(QAM) scheme was presented to increase throughput for multi-antenna communication system with covariance feedback. 14. The paper analyzes the interference rejection of Quadrature amplitude modulation signals in the presence of carrier phase jitter, sinusoidal interference and white Gaussian noise. 15. System performances using the two different pulse amplitude modulation schemes (BPSK and OOK) is compared. 16. And for the frame beam end bending moment amplitude modulation factor seems embodiment its value in practice projects. 17. TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon. 18. Radio used for communication uses a constant frequency carrier with some kind of amplitude modulation. 19. The phase noise impacts significantly the performance of high-order QAM (Quadrature Amplitude Modulation) demodulator, of which the carrier recovery loop proves to be the bottleneck. 20. The optimum equalization theory for overcoming the intersymbol interferences (ISI) in multi-level pulse amplitude modulation (PAM) systems is establishead. 21. Part 2 puts forward the circuits of pulse and IF carrier generation and square pulse amplitude modulation and demodulation. 22. Furthermore, the expression of stationary bit error rate of system output corresponding to equiprobability quaternary pulse amplitude modulation (PAM) input signals was deduced. 23. The results show that different from that of pulse amplitude modulation (PAM), the cross-correlation function of PPM cannot be directly used to acquire timing due to the nonlinearity of PPM. 24. A joint carrier-phase-tracking algorithm based on signal combining is proposed for carrier phase tracking of quadrature amplitude modulation(QAM) signals. 25. An intermediate frequency amplifier is designed to suppress the parasitic amplitude modulation and suppression effect is also analyzed. 26. In the paper, electro-optic polymer wave guide modulator with TE/TM mode converter would be shown to allow for polarization insensitive amplitude modulation. 27. Also, there is still no a reasonable uniform cost about the bending moment amplitude modulation factor of the frame beam end. 28. In screening technology asas color image in differenc dot have amplitude modulation and FM screening. 29. The implementation of OFDM base-band processing system, characterized by 16-QAM (Quadrature Amplitude Modulation) and 64 sub-carriers, is paid more attention. 30. The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels. 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,[] 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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