low frequency AC coded track circuit
The abnormal colours of seedlings turned a low frequency.
Soft soil can filter high frequency signals, but can amplify low frequency signals.
In this paper, we propose a new algorithm for removing high frequency and low frequency noise in face images.
Modeling and simulation of low frequency conducted EMI for switching mode power supply of ship
Clinical study of treatment of primary osteoporosis by low frequency pulsed electromagnetic fields
When the porosity and pore diameter reduced, the sound absorption curve moved to the low frequency zone and the frequency bandwidth increased at the same time.
Effect of extremely low frequency electromagnetic fields on Bax and Bcl-2 expression in spermatogenic cells of rats
While high frequency sounds tend to be more hazardous and more annoying to hearing than low frequency sounds, most noise pollution damage is related to the intensity of the sound.
The arithmetical mean concentrations of co and NO emissions of EFI cars were calculated and their absolute values were predominantly contributed by high concentrations with low frequency.
The size and length of the reflex holes and pipes all affect the extension of low frequency, therefore according to the character of the speaker, we should design proper holes and pipes in order to get the best speed and the extension of low frequency.
Where significant extension of low frequency output of your system is required, the addition of a VS-X Series SUB will provide well balanced, high output enhancement and power to the overall system.
ultra-low frequency dualtrace oscilloscope
Test methods for general purpose low frequency signal generators
These low frequency spectrum lines are basically the harmonics of the rotor shaft frequency and the blade-passing frequency.
ObjectiveTo observe effects of modulated medium frequency low frequency current hydroelectric bath therapy on sequela of ankle fracture.
Manipulation plus low frequency electrotherapy for acute closed soft tissue injury in athletes
The paper studied the issue of low frequency in shallow parts of cross-hole seismic reflection sections using imaging principle and deduced frequency variation factor.
Study on phase transformation kinetic mechanism of nanocrystallization of Fe-based amorphous alloy treated by low frequency pulse magnetic field
Using a method of the spatial frequency filtering by combining the directional filtering with the very low frequency filtering, the desirable optical signals cau be taken out of a considerably complex image.
the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz).
Elephants may be listening with their feet as well as with their ears, say researchers who are studying how well super-low frequency elephant song moves through the ground.
germanium low frequency high power triode
General purpose specification of low frequency signal generators
Signal is in low frequency, while noise in high frequency and minutia in image is also in this area.
Waveform simulation of low frequency line spectrum on propeller cavitation noise
Firstly, with the consideration of the frequency and aspect Angle dependent parameters of the low frequency UWB-SAR, the radar equation for calibration is proposed.
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.
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.
low frequency discharge
high and low frequency connector with mixed contact
After "CDM" high frequency horn coverage matches the design of coverage and low frequency unit features a smooth over-achieved.
Results:Compared to the low frequency group, the diagnosis accuracy rate of high frequency group is nearly P >0 05 and the diagnosis accuracy was raised in high low frequency group.
In sound recording, a low frequency noise usually produced by regular variations in the speed of a system's mechanical component.
The PFL solo function lets you easily set your gain to perfect levels, and high pass filters allow you to cut low frequency rumble—100Hz and below—on channels 1 to 3.
very low frequency band radiated field system
Diagnostic value of high frequency vs low frequency ultrasonography for acute appendicitis
The effects of the sea sediment parameters and center frequency of the source on the low frequency acoustic wave propagation in shallow water are investigated.
Investigation on the changes of dependent signal on the amplitude of low frequency fluctuations at blood oxygen level in brain after acupuncture Neiguan(PC 6)
low frequency radio-range
In summary, there are four brainwave states that range from the high amplitude, low frequency delta to the low amplitude, high frequency beta.
Molecular mechanism of inhibition of gap junctional intercellular communication induced by extremely low frequency(ELF) magnetic fields
Conclusion As long as the residual acoustic hearing covers the pitch range of the speaker, low frequency information restored by HA can greatly assist CI users in Chinese speech recognition in speech-shaped noise, no matter their frequecy ranges overlap or not.
Methods Respiratory acidosis was induced by low tidal volume and low frequency mechanical ventilation before ischemia reperfusion.
In low frequency sub band, the watermarking is embedded into host by the way of pixel-to-pixel embedding according to HVS model.
Reduction of low frequency concepts in the concept drift based on the frequency
As far as cased-hole formation resistivity logging, the key problems needed to be solved are detection of ultra-low frequency and extremely weak signals, as well as reduction of strong interferences.
ECG signal is a weak low frequency non-stationary signal, and possessing random character and noisy setting strong character.
Very little effort has been devoted to the experimental measurement of low frequency combustion response.
The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
Controls the frequency of the fractal pattern. The range is0( low frequency) to1( high frequency). The default value is0.707.
paired high and low frequency telecommunication cable
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