impedance In A Sentence
Learn how to use impedance in a sentence and make better sentences with `impedance` by reading impedance sentence examples.
- The parameter is termed the index function and the characteristic impedance of the normalised network.
- The methods are able to compute any parameter of grounding grids in power current, such as power ground impedance, touch and step voltage, potential differences within grounding grids and so on.
- The decreased effective output impedance causes the amp to react less to the speakers.
- The phasors representing the e.m.f. and potential difference across impedance Z then have lengths in the same proportion to and respectively.
- The large system is divided into several subsystems by using diakoptical technique, and related rows of nodal point impedance matrices are solved.
- Capacitor voltage by the surge impedance.
- Another possible origin of positive feedback is the finite internal impedance of the bias supply.
- It should also allow fast feedback in presence of impedance effects.
- In this sense impedance can be used like Ohm's law.
- In acoustics, the product of velocity times density, also called acoustic impedance and symbolized by Z.
- The major innovations of this antenna are: coupling With 3 concentric rings to achieve the impedance matching, enhance the near-field field intensity and make the standing-wave ratio lower than 1.
- Well there is this initial impedance from explosion, sure the cannon ball can keep going horizontally but as soon that impedance goes it store its natural motion which is downward.
- And as a result, the impedance curve is off-centred towards the-x axis.
- The generator produces an output signal whose frequency is automatically adjusted in the 15-25 kHz range depending on the load impedance, thus optimising the power available for treatment.
- The high input impedance is the reason voltage buffer is used.
- 5 Megohm input impedance which can upset thermometers, or especially high voltage probes.
- I think the impedance of a headphone is related to the driver design. The power requirement is more related to the use of material in the driver.
- The hexagon fractional slot structure is chosen, the gradually changed CPW feed is adopted. Not only the bandwidth of matched impedance is expanded, but also the antenna's miniaturization is realized.
- Its high input impedance means that it does not load a signal source which it copies at its output.
- A new method of lithology parameter extraction is presented in terms of elastic wave impedance.
- Although the bells are constantly in circuit their high impedance prevents any appreciable interference with the telephonic currents.
- These included dielectrically isolated wires and electrodes, sliding spark arrays, electron beams and pins impedance-loaded with capacitors.
- The reverse problem of Electrical impedance tomography(EIT) is a highly ill-posed problem. It is concluded that spatial prior information could improve the final image quality.
- Another feature of m-type filters that also applies in the general case is that a half section will have the original k-type image impedance on one side only.
- A formula of input impedance of a circular loop antenna in spherical cavity surrounding by conductive medium is obtained.
- Also, phasor analysis of circuits can include Euler's formula to represent the impedance of a capacitor or an inductor.
- The lightning current distribution is analyzed under different waveform of the injected current, different line impedance, and earthing impedance etc.
- High impedance Mic A microphone designed to be fed into an amplifier with input impedance greater than 20 k ohms.
- In addition, the electrode impedance can reflect the change in impedance during surface modification of information, it is also measured on multilayer membrane resistance.
- Electrochemical intercalation of lithium into PAN based carbon fibers, petroleum coke, pitch coke and needle coke were studied by AC impedance method.
- The original values of lead impedance and pacing thresholds were tested and compared by t-test between groups.
- He just needs Test probe's of the right impedance.
- The electrodeposited behaviours in the initial stage and deposited process were investigated by cyclic voltammetry(CV), chronoamperometry(CA), electrochemical impedance spectroscopy(EIS).
- The numerical results were obtained in a table by solving the combined equation of transmission line impedance transfer equation and terminal input impedance expression in gas capacitance.
- X10 probe : attenuation of 10:1, input impedance 10 Mohm when used with a scope of 1 Mohm input impedance, input capacitance around 13pF.
- As a parameter directly reflecting the petrophysical property of reservoir, the acoustic impedance can be used for predicting reservoir space distribution and storage conditions.
- Input impedance of a network when the output is short - circuited, shorted or grounded.
- It is significative attempt in medical diagnosis that Electrical impedance Tomography is used to hematoma monitoring.
- This creates an impedance mismatch that must be tested for.
- And the case of information fusion based earth faulty feeder detection for indirect grounded system is developed, which has high sensitive and reliability to detect high impedance ground faults.
- Clover - leaf coupled cavity is a kind of slow-wave structure of high interaction impedance.
- However , in the case of short - circuiting, its impedance immediately increases to limIt'short - circuit current .
- The characteristic impedance of unscreened slab-line is obtained, based on the investigation of the properties of the equipotential line in vertical stripline.
- In microfluidics, valveless impedance pumps have been fabricated, and are expected to be particularly suitable for handling sensitive biofluids.
- It is thoroughly considered in this new method that harmonic attenuation, reactive power compensation, mistuning, background harmonic and resonance with power line impedance.
- Eddy current impedance diagram analysis method has high ability in classifying flaw Signals. Sig-nals are charactered by autocorrelation matrix eigenvalue and eigenvector of the signals measured.
- Variable capacitors are often used in reactance, e . g . for impedance matching in antenna tuners.
- The results of experiment indicated that the best matched impedance is not at a point when coefficient is 1 but in the range of 1.5 to 1.65. A proposal was made that radius...
- Impotence is one thing but to use impedance instead is just ludicrous.
- Encephalic tissues impedance is the main parameter of encephalic tissues electrical characteristics.
- A method for analysis of rotor negative sequence eddy current field were presented by using the complex surface impedance concept.
- The unionize control of position and force can be realized by impedance control, which is one of main compliant force control theory.
- This paper shows the methods for determining the ideal Shielding factor of cable sheath, and gives the formulas for calculating the additional impedance due to magnetic flux in the steel armor.
- What is the impedance of half wavelength single pole antenna?.
- A high - precision internal impedance measurement method of storage battery based on DFT was presented.
- The acoustical impedance analogy gives rise to the idea of acoustic impedance.
- The impedance has two components : electrical conductivity and dielectric constant.
- A new skin impedance measurement system was presented in this paper.
- Moreover it has many advantages. Such as it can throw the concept of impedance relay. It also can be said that it can realize any acting character that can't be showed with math expression.
- Impedance will reflect back as the square of the turns ratio.
- The performances of impedance and transmitting voltage response of the transducer are analyzed.
- The degree of mismatch and signal distortion due to reflections are a function of the impedance presented by the stub and terminal input impedance.
- Theory analysis proves that the output impedance of parallel system is reduced and the precision of output voltage is improved.
- It is difficult for conventional reflection seismic surveys to get the information of low velocity layers underlain high acoustic impedance layers, such as evaporites and basalts.
- Once the impedance matrix is solved, the characteristic modes for the scatterer can be solved through the weighted eigenvalue equation:.
- This then supplies the self-impedance of the conductor itself.
- :: Females have a higher fraction of fat on average ( some tables ), but you could personalize the label by bioelectrical impedance analysis . talk ) 21 : 43, 21 February 2010 ( UTC).
- Objective To determine the normal value of cardiac output measured by reconstructed impedance cardiogram.
- For this simplest example the Faradaic impedance is reduced to a resistance.
- In humans, the middle ear works as an impedance equalizer between the outside air's low tactile sense, possibly to compensate for their poor eyesight.
- Of course if you double the moving mass of a single driver, halve its compliance and halve its impedance, you would attain identical results.
- Ahn AC, Park M, Shaw JR, McManus CA, Kaptchuk TJ, Langevin HM . Electrical impedance of acupuncture meridians : the relevance of subcutaneous collagenous bands.
- Hence, the sign of the intrinsic impedance is still positive in a NIM.
- X1 probe : no attenuation, input impedance follow that of scope input impedance (usually 1 Mohm). This type of probe is seldom used because of heavy loading effect on circuit under test.
- They were characterized via scanning electron microscopy, complex impedance measurements, electron probe microanalysis and dielectric lifetime testing.
- Study on early hydration in system of cement - coal stone by alternating current impedance spectroscopy.
- Negative series-inserted feedback always raises the input impedance while negative shunt-inserted feedback reduces it.
- The relation of the impedance of fundamental frequency and the firing angle is the key factor in firing control of TCSC.
- Specific acoustic impedance of transparent liquid, sound transmitting distance of laser induced sound and laser beam waist radius are analyzed.
- It is determined the magnesium corrosion property of aviation lubricating oil by wet heat test and electrochemical impedance spectroscopy.
- Impedance should not be too low for desired maximum fault current.
- Numerical results show the effects of the lossy medium and antenna parameters on input impedance, which could be used in designing cavity-backed slot antenna.
- Based on the analysis of the structural type, capacitance and impedance voltage of grounding transformer, a proper method of choosing grounding transformer is proposed in this paper.
- This paper presents a new method for measuring transfer impedance of arched surface current probe according as the theory of square coaxial transmission line with round center conductor.
- The changing nature of electrical installations is reducing their natural impedance, so that higher short-circuit currents occur.
- Signal channel consists of attenuating circuit, impedance transformation circuit and amplification circuit.
- Each encounters a reflective surface, the echo on the oscilloscope screen displayed the impedance difference between the two interfaces also determine the level of echo amplitude.
- According to the property that the surge impedance relay is realized by the ratio of voltage and current travelling waves, the relay's algorithm based on wavelets is present.
- Generalized impedance boundary conditions are employed to simulate the effect of finitely conducting plane on the electromagnetic fields.
- The impedance would normally be specified to be constant and purely resistive.
- Calibration accuracy is guaranteed to the tips of the HP 41941A (1.5 m) and HP 41941B (3 m) impedance probes.
- The electrometer changes this " high impedance signal " to a " low impedance signal " by using a voltage follower circuit.
- Having a high input impedance means it only takes very little capacitive coupling to get a reading.
- When the compression waves reach areas of high acoustic impedance mismatch ( such as the opposite side of the target ), tension waves reflect back and create spalling.
- Input impedance varies with distance from the shorted end by impedance transformer action.
- At higher impedance levels, circuit settling times become more important and are usually the overriding factor in determining overall measurement speed.
- The impedance having between power supply input and output load, connect feed back control network autoregulati0on tune resistance, for stabilized voltage, it is series regulator .
- Often a feasibility study using the wells logs will indicate whether separation of the desired lithotype can be achieved with P-impedance alone or whether S-impedance is also required.
- The probe cables usually have a characteristic impedance of 50 ohms and connect to oscilloscopes with a matched 50 ohm ( rather than a 1 megohm ) input impedance ).
- Percolation structure of concrete was tested and characterized by AC impedance spectroscopy.
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