modulation造句
31. This paper discusses the results of system simulation of linear frequency modulation pulse-compression radar and draws some conclusion on its capability of counter-jamming.
32. In the scheme, FSK-FDM technique is used in subcarrier modulation, and the EDFA's supervisory information is transmitted by optical intensity modulation.
33. The bulk potential modulator can realize real-time modulation to parameters of the target MOS device, thus greatly weakening the influence of technological deviation.
34. The phenomenon that the effect of the high frequency modulation is better than that of the low frequency modulation is explained, and general rules of choosing modulator parameters are also presented.
35. High - speed digital modulation is one of the key technologies in communication system.
36. The frequency conversion velocity modulation technique is widely applied in various industries with large economic benefit, especially in pumps system control.
37. Modulation Domain and Pulse Analyzer(MDPA) analyzes signal using a plane domain which is consisted of frequency and time.
38. An all - optical light modulation scheme based on improved prism - waveguide coupling method is developed.
39. The study object of this article is double electro motor frequency conversion velocity modulation system.
40. A new Space Vector Pulse Width Modulation ( SVPWM ) method based on control factor is proposed.
41. Siemens PLC S7-200 as the control center, Anchuan F7 frequency converter as the implementation devices, it realizes changing frequency velocity modulation control for automatic washing machine.
42. The sample time - staggered space vector modulation ( STS - SVM ) is a novel modulation strategy with high performance.
43. In a flat fading channel, system can maximize the average output and lower the BER by adjusting the coding scheme, modulation index and transmission power accordingly with the changes of channel.
44. The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
45. The notation of Muller matrix is one of the three polarized modulation technologies and the powerful design, analysis mathematics tool of polarization modulation system.
46. This evidence suggests that ASM undergoes marked phenotypic modulation in a disease status such as asthma.
47. Based on the idea of the Schmidt orthogonalization and the orthogonal chaotic carriers being generated, a chaos-based quadrature modulation communication system is proposed and realized.
48. The Organization Committee will appoint special fair arrangement personnel for coordination in arrangement and removal of exhibitors and site light modulation service.
49. Multilevel laser power modulation is a key technology in multilevel optical data storage systems based on photochromism.
50. In this paper, an adaptive modulation system controlled by changing the symbol rate and modulation level is proposed.
51. A novel modulation strategy - duty - cycle space vector modulation strategy is introduced?
52. On the other hand, the use of pulse width modulation (PWM) inverter for BLDCM leads to a high increase of core loss.
53. Then, the sinusoidal pulse-width modulation (SPWM), the space vector pulse-width modulation (SVPWM) and the whole IM drive systems are realized respectively.
54. The general-purpose modulation arithmetic based on software radio, symbol mapping and the realization of pulse shaping filter are discussed.
55. The maximum on-time is kept as a constant and a bias current of the oscillator in the PWM controller is moderated to achieve the off-time modulation.
56. The transmitter path includes a digital modulation circuit receiving multiple channel binary data, and for each channel generating a digital representation of the data.
57. Among which, and are constants. In the BPSK modulation mode, the marine atmosphere channel is defined as.
58. The causes of the phenomena are explored by studying the characteristics of audio frequency power amplifier and the pulse modulation of the high-frequency switch power supply.
59. The basic theory and advantages of filtered multitone modulation (FMT) are studied. An efficient implementation of FMT based on linear-phase FIR filter is proposed and its complexity is discussed.
60. 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.
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