frequency band造句
1, Similarly, pull-shifting the treble control lifts the operational frequency band and, again, moves the midrange automatically to compensate.
2, This effect is obvious at lower frequency band.
3, In frequency band the VSWR (Voltage Standing-Wave Ratio) is lower than 1.1 except for a few data of measured points. It is safe against leakage energy ...
4, The frequency band gaps of one-dimensional comb-like waveguide photonic crystals were investigated.
5, The problems of frequency ambiguity and blind frequency band are discussed for a pulse repetition frequency ( PRF ) Doppler radar in this paper.
6, In low frequency band, the attenuation rate of guided electromagnetic waves are very low and increases slowly as frequency.
7, However, in an extreme situation or frequency band, mark - to - market mechanism can not catch the changing phase.
8, The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.
9, Using spectrum zoom technique the interested frequency band of signal spectrum can be amplified partially, the frequency resolution ratio can be increased.
10, Gear signal was decomposed into independent frequency band, giving diagnosis information without slipping and redundancy.
11, In the observed spectrum we find that several low frequency bands shift on deuterium substitution.
12, The design is very suitable for wireless communication systems which work in ISM frequency band.
13, In this paper, a spot-focusing lens antenna operating at 8 mm frequency band is designed according to the measurement of the density of the plasma.
14, To provide a ferrite sinter for an antenna suitable for use in a high frequency band and a broad band and to provide a magnetic material antenna.
15, Manchester code's receiving circuit is simple and reliable, but its frequency band is not fully used.
16, It theas good filtering property, convenient for setting the frequency band.
17, In the seismic survey, random noises with a wide frequency band can strongly influence the ratio of signal to noise.
18, Thus, the size of the dielectric antenna can be reduced and the dielectric antenna can have a wide range of a frequency band suppressing the maximum value of the VSWR to a small value.
19, Each antenna element either resonates independently, or increases the total bandwidth of operation of the multi-band antenna system 100, in the low frequency band.
20, Bluetooth is a universal radio interface in the 2.45GHz frequency band that enables portable electronic devices to connect and communicate wirelessly via short-range,[http:///frequency band.html] ad hoc networks.
21, At first utilized the SOT to normalize the multiwavelet coefficients in high frequency band and removed the signal-dependence of the speckle noise.
22, We can't hear any program when we turn our radio onto this frequency band.
23, As a result, we accurately estimate the effective signals in high frequency band and better the noise suppression, thus broadening the effective frequency band.
24, Useing the bimorph bend vibration mould, a simple and low cost electroacoustic doubler and mixer available for overall low frequency band can be produced.
25, Josephson junction mixer has much excellence, including its high sensitivity and harmonic, low local oscillator frequency and microwave power, low noise and wide frequency band.
26, Compared with traditional bearing fault diagnosis method, the approach proposed in this paper can detect the low frequency modulated components from high frequency band.
27, The method to determine the cavitation monitoring threshold which based on statistic theory was posed by making use of reference frequency band energy.
28, It provides a novel data collecting system which can process the lighting signal in both low and high frequency band. And the data collection system has been realized based on CPLD.
29, In the platform, the short wave signal is digitalized in the radio frequency band and converted into the analytical baseband signal.
30, Theoretical calculate and real data processing show the method can depress noise in both time and frequency domains, spread out the effective frequency band, and improve the resolution factor.
123