1. Whales use low-frequency calls to locate each other.

2. The low-frequency motions are considered to be meteorologically significant.

3. Purpose: For low-frequency power amplification.

4. The high-precision constant current source low-frequency rectangular wave excitation is adopted to ensure the stable magnetic field.

5. Low-frequency pseudo Rayleigh wave (high velocity)can be used to estimate shear wave attenuation, then permeability in original state formation.

6. Of particular interest are waves that simulate low-frequency motions and that help to establish and maintain the equatorial current system.

7. The proposed method is based on low-frequency signal injection, where a low frequency stator current signal is injected and the corresponding angle error is detected to estimate the rotor speed.

8. And the low-frequency broadband noise of the propeller is produced by the interaction between the blades and stern turbulence field.

8. is a sentence dictionary, on which you can find nice sentences for a large number of words.

9. Differential Pulse Code Modulation is adopted for the low-frequency sub-images with most energy, which are called the 1st level.

10. Duke-Honorable Series: Advanced ignition, Constant power output, Low-frequency component, 8-years over-long quality guarantee period.

11. In the paper, the low-frequency information which reflects the trend of stock price change is extracted using wavelet MRA and the Mallat method, and the time of stockjobbing is analyzed.

12. For example, the low-frequency gain of an integrator can be very high, generally exceeding the measurement range of conventional test and measurement equipment.

13. Besides, the improving of observation condition of low-frequency events is discussed.

14. According to mechanism of low-frequency broadband noise of the propeller, theoretical analysis method is given and numerical calculation of the noise is worked out as well.

15. Effect of damper windings and magnetic saturation of synchronous machine on LFO(Low-Frequency Oscillation) damping are studied with eigen analysis method.

16. The frequency of the low-frequency field and the relative intensity of the coupling strength for the transitions can affect spontaneous emission from the atom.

17. Turbulence produced by rapidly moving columns of air also generates low-frequency sounds.

18. Based on the simple prior knowledge, an approach named as multi-scale low-frequency curve analysis based on standard orthonormal wavelets is proposed.

19. Based on these, a laboratory-scale jury test which adopts Semantic Differential method and an auxiliary "5-points, 4-ranks" rating scale for low-frequency pure tone(), was carried out.

20. Some residents and visitors in the small city of Taos, New Mexico, have for years been annoyed and puzzled by a mysterious and faint low-frequency hum in the desert air.

21. Ultra-high-frequency (UHF) monitoring approach is focused on recent years because of its effectiveness to avoid low-frequency noises and pulse interference from corona.

22. It was determination a choice range of parameters about a low-frequency vibrating sieve.

23. The paper analyzes the wavelet resolving principle and image encoding technique and puts forward the adoption of Huffman-encoding on low-frequency of wavelet transformation.

24. The detailed investigation of the connection of primary frequency regulation with the low-frequency oscillations was done . in this paper .

25. Some residents or visitors in the smwhichle country of Taos, New Mexico, get to seasons being annoyed or puzzled by a mysterious or faint low-frequency hum in the desert waterdrop.

26. The other problem is that submarines receive messages using low-frequency radio waves that can penetrate water, but only a few characters per second can be transmitted at these frequencies.

27. Used in this paper is to design a general low-frequency differential transformer signal generator.

28. The paper also describes the key problems e. g. low-frequency trigger signal, speed feedback, low-frequency switch-over and low-frequency start, summarizes the experience in technica...

29. The paper also describes the key problems e. g. low-frequency trigger signal, speed feedback, low-frequency switch-over and low-frequency start, summarizes the experience in technical renovation.

30. Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.

31. Static electric and magnetic fields and extremely low-frequency electric fields are not classifiable as to their carcinogenicity to humans (Group 3).

32. This later virtue ensures a high speech intelligibility at the time while the signal-noise ratio of speech communication is highly raised in a middle- and low-frequency noise environment.

33. The baseline drift for low-frequency signal and phase distortion produced in filter process can be rejected effectively by this filter.

34. Then there's everything else: the low-frequency words that are rarely used except in very specific situations: overpass, far-fetched, competency, proscribe, etc.

35. The uniform damping control of low-frequency oscillation(LFO) is presented in this paper.

36. For the low-frequency image of wavelet decomposition, by measuring the correlation coefficient and spatial frequency determine the scale coefficient.

37. In this paper, the analytic solution of the dynamical equation of the pulsatile flow in a rigid round tube under the low-frequency varying magnetic field is obtained.

38. The damper plate overcomes the disadvantage of poor damping effect to low-frequency vibration and has good damping effect to both low-frequency vibration and high-frequency vibration.

38. try its best to collect and make good sentences.

39. It provides a theoretical basis for harvesting the low-frequency vibration energy in environment and designing self-powered device of sensor network.

40. Objective: To investigate the effects of extremely low-frequency (ELF) magnetic fields on SD rat chondrocytes apoptosis induced by sodium nitroprusside (SNP).

41. Meanwhile, the large structure usually show the character of low-frequency close coupling modal, however , identification accuracy of present method is not high enough.

42. Residents of Waubra, a town near Victoria's biggest wind generator, recently complained that low-frequency noise was causing headaches and earaches.

43. Theoretically, the algorithm needs shorter data-window than the phasor-based algorithms and is uninfluenced by the low-frequency swing component.

44. The low-frequency slot harmonic modulation is used to weaken the end effect or decrease the wave of the thrust, and the many projects are designed or the better project is selected.

45. Results show that reassigned wavelet scalogram has higher time-frequency resolution than wavelet scalogram and can well identify such close low-frequency components.

46. In military engineering applications, identification of sea bottom types are vary important for match field location, low-frequency sonar distance forecast, and choosing the location for submarine.

47. Phonons reflected by the new material represent low-frequency heat, and so the material only does its insulating trick in sub-freezing temperatures.

48. First , the low-frequency instability and its effect on total harmonic distortion are observed via numerical simulation as the output power increases.

49. A type of coherent noise generated by a surface wave, typically a low-velocity, low-frequency, high-amplitude Rayleigh wave.

50. Absorption does not vary with the thickness of the structure of low-frequency cutoff frequency, can guarantee to achieve the thickness of 25 cm low-frequency cut-off frequency 40Hz.

51. An approximate method is put forward to simulate low-frequency signal and generator response characteristic, from which motion models and damping parameters of main variables are obtained.

52. Objective To explore whether low-frequency transcranial magnetic stimulation could inhibit the neuronal apoptosis in temporal lobe and hippocampus of chronic temporal lobe epilepsy rats.

53. In basis of analyzing the features of the conventional arc welding technology, a DC low-frequency plasma welding power with fusion penetration is selected as the heat source for metal forming.

54. BBN has developed the ARTS array vehicle concept specifically to address the formidable problems of low-frequency active sonar sources.

55. By using the acoustic fields reconstruction based on the acoustic radiation modes, the method for calculating acoustic power radiated at medium and low-frequency is proposed.

56. That's because low-frequency electromagnetic waves pass through skin with little attenuation, a route that also shelters them from outside interference.

57. The team recorded data from the Opportunity's accelerometers, and sped up the low-frequency noise 1, 000 times. The result is best described as a sort of grinding noise.

58. Encoding qubits on the singlet state and the triplet state can protect qubits from low-frequency noise and suppress the dominant source of decoherence from hyperfine interactions.

59. The design for high-power MOS tube as the core original pipe, using discrete components and integrated operational amplifier combines the low-frequency power amplifier design.

60. The catch is that because low-frequency waves can travel great distances, when they do bounce off cavities or objects underground, they often end up far from the detection equipment at the surface.

61. One finger tip vibrating masseur and one low-frequency current treating circuit to act on the insomnia acupoints and finger tip may be increased to raise the hypnogenesis effect.

62. Helps eliminate stage rumble or other low-frequency room noise such as that coming from heating, ventilation, or cooling (HVAC) systems.

63. Based on the sound absorption mechanism of Helmholtz Resonator, the advantage of soft tube length is fully used in the new structure, and thus the low-frequency noise can be controled easily.

64. With analyzing the detecting procedure of Low-frequency active sonar and emulating about it, the Optimum Detection Frequency Band of Low-frequency Active Sonar were researched.

65. By changing frequency, using an intermediate-frequency transformer instead of a low-frequency transformer can make the arc starter small, light and reliable.

66. The 2080 features bass-reflex tuning through twin port tubes providing optimal low-frequency tuning, enhancing the already substantial bass output from this high quality enclosure.

67. In the analysis of data with amplitude variation, low-frequency signals may appear as decomposed results, referred to hereafter as filtered low-frequency signals (FLSs).

68. Nonlinear gravity wave-wave interactions could lead to the new waves of low-frequency and may be the dynamics mechanism to explain the great disaster weather such as sustained storm rainfall.

69. In this paper a displacement limiter circuit used for the low-frequency shaker is proposed.

70. It can be shown that, compared to low-oversampling multibit designs, pulse-density modulation converters are much more sensitive to jitter when producing low-frequency audio signals.

71. Quantitative analysis of the response characteristic of generator under low-frequency oscillation is basic for the appropriate design of control strategy.