chirp造句
31. Evolution of chirp is simulated by computer and chirp as a function of the fiber loss and group velocity mismatch is analysed.
32. Birds had begun to chirp and twitter among the trees.
33. The results show that, at the initial distance and the initial time the chirp has no influence on the spatial intensity distributions, but it affects the pulse front edge or back edge.
34. Chirp signal is a kind of pulse - compressed signal with large time - bandwidth products achieved through linear modulation.
35. A tunable GaAlAs diode laser is used as a chirp signal source, the distance is detected by calculating the beat frequency.
36. However the longer chirp time the more calculations is needed and this slow down the computer.
37. Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall.
38. In addition and loves Li the colleague pair of funny guy didelphis lanigera Brother, the individuality is bright, chirp grasps.
39. This paper analyses the problem of the quadratic phase for multiple frequency ranging based on chirp signal, and the method of the phase elimination is proposed.
40. But I did not chirp. I only wanted to see.
41. High range resolution needs wide-band signals. Most reported research into wideband signal adopts stepped chirp using single transmitter.
42. Based on the remainder theorem and direct dechirp operation, an algorithm for estimation of chirp rate and initial frequency of the subsampling wideband LFM signal unambiguously is presented.
43. This approach can also extend the transmission distance by reducing the transient chirp.
44. Nowadays, the ave of the capital is off-street, restaurant inn is numberless as the sand, those who write car filling shoe is one chirp of one battalion of 3 paces, 5 paces more.
45. The frequency-stepped chirp signal is very common in ISAR imaging because of its peculiar characters.
46. This paper introduces an algorithm used in estimation of the phase error of chirp signal.
47. An processing method of chirp signal is proposed. Using this method, the moving targets can be detected and the multiple moving targets can be distinguished form the strong ground-clutter effectively.
48. This month Boyun the chirp sends out diphthong, this time we duplicate him "the chirp" to make the response, and " converses " with lip shape must obviously and her.
49. You couldn't see a thread of green or hear a single chirp of insect or bird.
50. Fiber frequency response method to measure chirp parameter of intensity modulator is described.
51. The results show that the bigger chirp influence on the stable propagation of optical soliton, is destractive and even more destractive on exceed high-stepping optical soliton having less pulse width.
52. Only male cicadas chirp in late summer, and early autumn.
53. A new method in using Charge Coupled Devices for signal processing of chirp Z-transform is described.
54. Time-varying parameters of the ARMA model in this paper processes chirp signal, it avoid computation of sinusoidal function in chirp signal generation and phase truncation.
55. SAR point target echo simulator which based on DDS chirp signal generator is introduced; it is composed of ARM controller unit and LFM signal generator unit.
56. The impacts that initial chirp affects the polarization mode dispersion in wavelength division multiplex system are simulated and analyzed.
57. Due to the lasing effect, the peak modulation frequency of extinction ratio and chirp occur at the relaxation oscillation frequency.
58. The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction.
59. Compared to the theory signal, the chirp produced by DDS under large bandwidth, may have frequency distortion due to the limited chirp-rate.
60. The effect of initial chirp on the quality of the soliton-effect picosecond pulse compression in loss and no-loss fibers is studied by simulating the process of compression in conventional fibers.
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