noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
angular
▪ Here is the wavelength and is the angular frequency of the wave.
constant
▪ The sequence generator produces the phase control signals and is triggered by step command pulses from a constant frequency clock.
▪ Radio used for communication uses a constant frequency carrier with some kind of amplitude modulation.
▪ The stepping rate is fixed by a constant frequency clock, which is controlled by a one-bit signal from the microprocessor.
critical
▪ Below a certain critical frequency no electrons were ejected, however intense the radiation.
▪ When m 0.6, the input resistance remains close to for frequencies up to 85% of the critical frequency.
▪ Making the characteristic impedances of the constant-k and m-derived filter sections identical also ensures that their critical frequencies are the same.
▪ They also adversely affect the rate at which the attenuation changes with frequency near critical frequencies.
▪ The parameter m is often chosen to be 0.3 which separates the resonant frequency by about 5% from the critical frequency.
▪ The m-derived section is arranged to exhibit the same characteristic impedance and critical frequency or frequencies as the prototype.
▪ All we can say in general is that there is a critical frequency, a knife-edge.
different
▪ These levels vibrate at different frequencies.
▪ It may be possible to identify two or more teaching styles based on different frequencies of use of the activity groups.
▪ Another amazing fact is that crystals actually vibrate at different frequencies when they come into contact with other energy fields.
▪ They occupy a variety of different sites and orientations; molecules in different sites absorb at different frequencies.
▪ The periods differ, so the buildings vibrate with different frequencies and slap against each other.
▪ It is preferable to treat different samples with different frequencies and amplitudes of vibration.
▪ Dispersive instruments use prisms or gratings to separate radiation of different frequencies, by refraction or diffraction.
▪ We might say we perceive them as separate because they vibrate at different frequencies.
great
▪ It only differs from the category 1 species in the greater frequency of occurrence of digestion.
▪ And non-poor unmarried women are deciding to have and keep their babies with far greater frequency than in previous eras.
▪ This coincided with a greater frequency of direct attacks in harem takeovers.
▪ Earhart left, invitations to dine with Millie Otis in the state dining room came with greater frequency.
▪ When I was a small boy, quite serious fires seemed to occur in Salisbury with great frequency.
▪ The same rhetoric appears with great frequency in the description of the football scene.
▪ Prevalent winds are those which blow with the greatest frequency at any place.
▪ We have found no greater frequency of complaints of seasonal allergic-type symptoms in oilseed rape than in non-oilseed rape rural areas.
high
▪ Sports participants have much higher frequencies of participation than do participants in other leisure activities such as the arts.
▪ Sometimes it shows up as a lot more wiggles in the higher frequency range, up around 25 to 70 Hertz.
▪ As age increases, the inner ear becomes less sensitive to high frequencies.
▪ In diamond, the chemical bonds are strong, favouring high frequencies of vibration.
▪ Digital mobiles witter noisily at high frequencies.
▪ The high frequency vibrations were so highly favoured that an infinite amount of energy would be present in them.
▪ Very high frequency direction finding is an aid to navigation.
▪ The high frequency of I as theme helps to maintain a sense of continuity and a coherent point of view.
increased
▪ The issue is to estimate the marginal benefit from the increased frequency of screening examinations against the marginal increased cost.
▪ As some kidney cancers cause hypertension an increased frequency of kidney cancer is to be expected in a hypertension clinic.
▪ Impaired awareness of warning symptoms in patients transferred from animal insulins has been reported, risking increased frequency of severe hypoglycaemia.
▪ Consider the physiologist's intuition that an increased neuronal firing frequency explains increased intensity of experience.
▪ The increased frequency of malignant disease in this population is of importance in view of the major impact on overall management.
low
▪ A problem arises with the design of such filters for passing or stopping low frequencies.
▪ How can we reconcile the low frequency of expressions of emotional involvement in election campaigns with the high frequency of antagonistic partisanship?
▪ Between these two maxima there is a lower frequency of depths representing the more shallow regions of the oceans.
▪ Like Pro Logic, it has three discrete front channels and a separate channel for low frequencies from the subwoofer.
▪ Band filters that can be tuned down to low frequencies are useful in a host of applications including electronic oscillators.
▪ White noise is not a good simulator of music, which contains more energy at low frequencies than at high ones.
▪ The cause is not signal splatter; the noise which annoys the deaf is at a much lower frequency.
▪ However, the weaker the magnetic field, the lower the frequency needed for a given ion mass.
natural
▪ A gravitational wave at the natural frequency for longitudinal oscillations of the bar would set it ringing like a tuning fork.
relative
▪ This amounts to a relative frequency decline of over 50%.
▪ Many causes of hyperuricemia have been recognized; however, gouty arthritis is seen with relative frequency in only a few conditions.
▪ The relative frequencies of citations may be inaccurate, if allowance is not made for the growth of the literature.
▪ It can also be seen that there is a negligible relationship between relative frequency and coverage.
▪ This can be done by comparing the relative frequency of use of different coding categories in the potential risks and description conditions.
▪ In computer indexing, this will involve statistical analysis of the relative frequency of occurrence of terms.
▪ Spearman's Rank-Order Correlation Coefficient was calculated to determine the correlation between relative frequency and coverage.
▪ The population will thus evolve, and the relative frequencies of different strategies will change.
resonant
▪ The reflected signal is studied as a function of frequency and the resonant frequency, together with higher orders, is then measured.
▪ A range of frequencies wide enough to ensure that it encompasses the resonant frequency of the sample v r is then examined.
▪ The resonant frequency is detected as the maximum of a graph of amplitude against frequency.
▪ A cyclotron is fine-tuned to a resonant frequency specific to one chosen ion type.
▪ Table 1 shows the resonant cyclotron frequencies of single ions of different forms when subject to the steady geomagnetic field.
▪ The presence of other ions may raise the resonant frequency by up to 50%.
▪ The parameter m is often chosen to be 0.3 which separates the resonant frequency by about 5% from the critical frequency.
■ NOUN
band
▪ Similarly, pull-shifting the treble control lifts the operational frequency band and, again, moves the midrange automatically to compensate.
▪ In the observed spectrum we find that several low frequency bands shift on deuterium substitution.
clock
▪ In this case high frequencies means anything above approximately half the clock frequency.
▪ Faster operating speeds can be obtained with a higher clock frequency and more stages of pulse deletion.
▪ Parsytec reckons the tests it has done on lower clock frequencies point to a six- to ten-fold performance increase over the T805.
distribution
▪ Find the frequency distribution over years of study in 1991.
▪ The full array of such fractions, comprising a frequency distribution across all cultures sampled, is called an ethnographic curve.
▪ Using the unit cumulative normal frequency distribution we may compute confidence limits for our estimate of beta.
▪ It was assumed that any erosion terraces would show as modes in the frequency distribution.
▪ The plotting of frequency distributions of particular size ratios provides peaks which represent preferred forms.
▪ On the size frequency distribution plot the highest point on the curve provides the modal value.
▪ Method: A number of documents related to the domain of banking were collected, and a frequency distribution produced.
radio
▪ The product is the result of an agreement signed in October 1991 for joint development of an FRAM-compatible radio frequency transponder chip.
▪ The latest is an outpatient procedure with a new gizmo that removes throat tissues with radio frequencies.
▪ They also found a piece of paper with the radio frequencies used by police locally and nationally, said Mr Cornwall.
▪ She wanted tactical call signs, authentication codes, radio frequencies.
▪ Radiation in the optical range and at radio frequencies can be detected either locally or at Earth stations.
▪ The technology handles multiple calls on a single radio frequency by separating them in time.
▪ The observed profiles were cross-correlated with a standard pulse profile appropriate for each radio frequency to obtain accurate pulse arrival times.
▪ It then encodes them and transmits the conversation over a range of radio frequencies.
range
▪ The world's first machine capable of recording the full frequency range of the human ear.
▪ Then the computer sorts all the surnames into what we call frequency ranges.
▪ The treble, middle and bass controls each have a secondary function to enhance their particular frequency ranges.
▪ Sometimes it shows up as a lot more wiggles in the higher frequency range, up around 25 to 70 Hertz.
▪ With care, about 12 harmonics may be obtained so that about an order of magnitude of frequency range is available.
▪ They operate in the same frequency range of the radio spectrum as analog cellular -- around 800 megahertz.
▪ Hazardous frequency range Cyclotron resonance by my theory only occurs if the hazardous frequency range lies with the exciting field.
stool
▪ There was a reduction in her stool frequency, an improvement in her abdominal pain, and a less productive cough.
▪ Differentiation between remission/mild and moderate disease is mostly a function of stool frequency.
▪ To evaluate this parameter independently the mean stool frequency was calculated for each group at entry and during the study.
▪ High stool frequency, imperfect continence or the use of anti-diarrhoeal drugs was similar in all three groups.
▪ Median hospital stay, however, was the same and stool frequency in those with a functioning pouch were comparable.
▪ Most often the intervention did not change stool frequency or stool consistency, or both.
vibration
▪ Ground-state vibration frequencies are obtained as shifts from the exciting frequency or from the vibrational origin of the electronic band.
▪ Indeed, no relationship between the vibration frequencies of different molecules is logically necessary.
▪ We have seen how the vibration frequencies may be observed and how each may be allocated to a particular symmetry species.
▪ Molecular vibrations therefore lead to oscillations of electric charge, with frequencies governed by the normal vibration frequencies of the system.
▪ As we have seen in Section 5.12, isotopic substitution can lead to changes in vibration frequencies.
▪ The minimum in the potential function is at a greater internuclear distance, and the vibration frequency is lower.
▪ The random differences in environment result in a range of different vibration frequencies, and so each vibration band is broadened.
■ VERB
based
▪ Monitoring would be based on the frequency of access to files, and the archiving policies of different types of information items.
▪ It may be possible to identify two or more teaching styles based on different frequencies of use of the activity groups.
▪ Preferences for partners are probably based on the frequency of reciprocation.
▪ To improve the efficiency of the analysis each rule in the grammar is ordered based on its frequency of use.
determine
▪ R1 and C set the oscillator's frequency range, and R2 determines the circuit's frequency shift.
increase
▪ The topographical setting of an urban area can increase the frequency and severity of adverse meteorological conditions.
▪ Personal secrets have turned into public issues and, with increasing frequency, public scandals.
▪ Sneezing comes early and with increasing frequency.
▪ Nevertheless, teachers may improve their effectiveness by increasing the frequency of positive responses while reducing the negative.
▪ As the wine took hold I glanced in her direction with increasing frequency, often to find her already looking at me.
▪ Anxiety and despair broke through it with increasing frequency.
▪ Another mechanism, called transposition, can also increase the frequency of one variant through the genome.
▪ It was, in other words, the kind of book you encounter with increased frequency as you move through college.
measure
▪ You can measure the frequency of these sorts of behavioural anomalies.
▪ Each station will measure the amplitude, frequency and duration of ground vibrations.
occur
▪ These signals may have been less predictive of the outcome because they occurred at higher frequencies at earlier stages in the conflicts.
▪ One-gigaton impact explosions occur with a frequency of one per ten thousand years.
▪ Hazardous frequency range Cyclotron resonance by my theory only occurs if the hazardous frequency range lies with the exciting field.
▪ The largest, a 103-megaton blast, occurs with an average frequency of one per two thousand years.
▪ Because of the way in which adults respond to infants, these early vocalisations occur with increasing frequency.
▪ An operant is a piece of behaviour which has a spontaneous nature which occurs at a predetermined frequency.
▪ Such private dealings, however, are not likely to occur with any frequency in modern solicitors' partnerships.
▪ Leakage occurred with equal frequency in both groups.
reduce
▪ It would seem reasonable to assume that measures aimed at treating calculi in these patients may reduce the frequency of infection.
▪ It may reduce the frequency and severity of colds.
▪ Their aim was then to reduce both frequency and duration.
▪ Should the government reduce the actual frequency of tragedies, or should it simply make them less painfully obvious?
▪ When safe levels are attained consistently you may reduce the frequency of testing to once a week.
▪ As it grows older, you will probably have to reduce the frequency of feeds to one or two meals every day.
▪ Monitor and record the vital signs, reducing the frequency as the patient's conditions stabilizes.
▪ To reduce the frequency of use of this procedure two key areas in primary care could be addressed.
show
▪ All have shown that the frequency of ventricular ectopic at this time is low.
▪ Clinical tests have shown this frequency gives the best balance between thorough cleaning and personal comfort.
▪ A possible list of management information, showing frequency and circulation, is given overleaf.
▪ The whelks may show frequency independent selection, choosing their favourite food regardless of that species' relative abundance. 2.
use
▪ Languages vary tremendously in the type of conjunctions they prefer to use as well as the frequency with which they use such items.
▪ The system uses a sliding frequency guiding filter to regulate the speed of the soliton waves.
▪ Radio used for communication uses a constant frequency carrier with some kind of amplitude modulation.
▪ Instead, each airline was to be allowed to use its discretion as to frequency and capacity within reasonable grounds.
▪ No more than a few hundred of these are used with any frequency.
▪ The method has been used to study the frequency and temperature dependence of viscoelastic moduli for many years.
▪ All Governments use guillotines, but no Government have used them with the frequency of this Administration.
EXAMPLES FROM OTHER ENTRIES
▪ Crimes of this type are happening with increasing frequency.
▪ Divorces are being initiated with more frequency by women.
▪ The frequency of mining accidents has steadily decreased over the past 20 years.
▪ The high frequency of cases of diarrhoea is attributable to poor food hygiene.
EXAMPLES FROM CORPUS
▪ In many cases such measurements may not be available with spatial and temporal sampling frequencies that meet the demands of research programmes.
▪ It can also be seen that there is a negligible relationship between relative frequency and coverage.
▪ It may be possible to identify two or more teaching styles based on different frequencies of use of the activity groups.
▪ Listeners used two crystal sets tuned to the corresponding frequencies.
▪ Since then, police have been listening in to the frequency used by the gang.
▪ The frequency with which they make them varies.
▪ The transmitter offers thousands of radio frequency coded options for maximum security.