low frequency造句31. In this design, two kinds of sealing technology are used to fulfill the requirement that the very low frequency projector can be worked at a large volume displacement.
32. This breed is also known for his ability to foretell storms and avalanches, perhaps because he may hear very low frequency sounds that are beyond our ability to hear.
33. Expenses for repairing and maintenance were reduced after the low frequency sound wave deashing device was used.
34. The chorus effect modulates the original sound by a sinusoid low frequency oscillator (LFO).
35. For low frequency and logic measurement, any ground connection from scope ground to circuit ground is OK, the probe ground may be left open.
36. We first employed the unsharp masking to adjust the contrast of angiograms, and then removed the consistent component of low frequency in frequency domain by high-pass filtering.
37. Experiments indicate that it can achieve the precision required where tracking a low frequency sinusoidal signal or a low frequency random signal.
38. This falls in the extremely low frequency (ELF) range which includes frequencies up to 300 Hz.
39. Rock wool has good absorption function for medium and low frequency noise and various types of vibration noise. This will be very favorable for reducing noise and improving work environment.
40. On the contrary, the SCS summer monsoon tends to be weak when the inactive state is dominant for the low frequency oscillation.
41. Existed low frequency quasi-static characteristics are derived in more detail. It is noted that two expressions are identical.
42. Result Wavelet scalogram of blood flow ultrasonic signal had a higher distinguishability than STFT spectrogram in the low frequency portion, but had poorer decussation terms than spectrogram.
43. A combinational electric system stable machinery GPSS is designed to fight back low frequency oscillation and to improve electric system stability.
44. In low frequency band, the attenuation rate of guided electromagnetic waves are very low and increases slowly as frequency.
45. According to mechanism of low frequency broadband noise of the propeller, theoretical analysis method is given and numerical calculation of the noise is carried out as well.
46. In one embodiment, the peripheral device includes three motors: a high torque motor, a low frequency rumble motor and a high frequency rumble motor.
47. Passive hydraulic mounts can provide a better performance than electrometric mounts especially in the low frequency range.
48. To eliminate the disturbance of the low frequency in industrial field, the arithmetic average defended pulse_disturb of twice-numeric filter, is adopted.
49. E. g. Low Frequency Filter, Blocking of DC , By-pass and coupling circuit.
50. Although the passive UHF tags than low frequency labels are more susceptible to RF interference.
51. Methods : 1. Using acupuncture therapy. ultrasonic therapy and low frequency impulse electrotherapy to treat vertebrobasilar insufficiency vertigo separately.
52. This provides a nice low frequency "throbbing" when the system is at low load personifying the sedentary state satisfyingly.
53. A circuit network is used to further compensate the low frequency characteristics and a novel type of inertial extremely low frequency transducer is obtained.
54. In 1988,[/low frequency.html] the low frequency eddies over middle and high latitudes propagate southward to the South China Sea although the wave train is not so active as in 1985.
55. C3 is a low frequency roll - off capacitor in the feedback network and prevents offset voltage and offset current errors from being multiplied by amplifier gain.
56. But the extremely low frequency (ELF) magnetic fields generated by such cables may cause disturbances to nearby electronic apparatus and may even affect the human health.
57. This paper deals with a digital speech communicator of very low frequency and low bit digital communication based on software ratio, which uses the technique of QPSK and FEC coding.
58. The KM-4 is a dynamic kick drum microphone with a neodymium capsule designed to provide a deep and powerful low frequency response.
59. Wharfedale's MX Series passive subwoofers are ideal for adding massive low end to the MX Series two-way loudspeakers – or any existing sound system in need of extended low frequency response.
60. Pressure difference and Cd concentration fluctuation may cause the noise to increase many times with the latter mainly enhancing the noise in the low frequency range.