Products/Services for Logarithmic Transformation

Logarithmic Amplifier Chips  (15 companies)Logarithmic amplifier chips produce an output voltage that is directly proportional to the logarithm of the input voltage. Logarithmic amplifiers or log amplifiers are used mainly in applications that require the compression of signals... Search by Specification  Learn More

Digital Potentiometers  (53 companies)There are two choices for resistance taper: linear and log (audio). Digital potentiometers with a linear taper provide an equal change in resistance per unit of rotation. By contrast, devices with a log or audio taper provide a logarithmic change... Search by Specification  Learn More

Amplifier and Comparator Chips  (321 companies)...by changing the value of a single resistor. Logarithmic amplifier chips (log amp chips) produce an output voltage that is directly proportional to the logarithm of the input voltage. Operational amplifier chips (op amp chips) are generalpurpose... Search by Specification  Learn More

No Image AvailableThermomechanical Simulation Equipment  (20 companies)...creep/stress rupture, continuous cooling transformation, continuous heating transformation, and isothermal transformation. Thermomechanical simulation equipment is also used in basic material studies such as diffusion studies, stress relaxation studies... Learn More

Potentiometers, Rheostats, and Trimmers  (360 companies)...relationship between the wiper position and the device resistance; this relationship is known as a "taper" or a "law." The two most common tapers are linear and logarithmic. Linear tapers result in an equal change in resistance per unit of rotation... Search by Specification  Learn More

Video Amplifier Chips  (34 companies)Video amplifier chips are used in circuits to process video signals. Search by Specification  Learn More

Transimpedance Amplifiers  (23 companies)Transimpedance amplifiers are operational amplifiers used to convert an input current into an output voltage. These currenttovoltage converters are useful in many important applications. Search by Specification  Learn More

CMOS Image Sensors  (84 companies)Complementary metal oxide semiconductor (CMOS) image sensors operate at lower voltages than CCDs, reducing power consumption for portable applications. Analog and digital processing functions can be integrated readily onto the CMOS chip, reducing system package size and overall cost. Search by Specification  Learn More

Operational Amplifiers  (152 companies)Operational amplifiers (op amps, opamps) are generalpurpose, closedloop devices that are used to implement linear functions. Search by Specification  Learn More

RF Amplifiers  (570 companies)RF amplifiers are devices that accept a varying input signal and produce an output signal that varies in the same way, but with larger amplitude. Search by Specification  Learn More
Product News for Logarithmic Transformation

Avago Technologies
Avago Data Center Solutions Current data center infrastructure is being challenged with the burgeoning growth of cloud computing and mobile internet data usage. Many data centers worldwide are undergoing major transformations to keep pace with current needs and futureproof networks to meet higher bandwidth demands. The prevalent trend in modern data centers is the architectural shift from a traditional 3tier network to a simplified, cloudready, 2tier network called the leafspine network that is massively scalable... (read more)Browse Data Acquisition Datasheets for Avago Technologies 
B&K Precision
Dual Channel Function/Arbitrary Waveform Generator The 4050 Series Dual Channel Function/Arbitrary Waveform Generators are capable of generating stable and precise sine, square, triangle, pulse, and arbitrary waveforms. With easytoread color displays and an intuitive user interface with numeric keypad, these instruments offer plenty of features including linear/logarithmic sweep, builtin counter, extensive modulation and triggering capabilities, a continuously variable DC offset, and a high performance 14bit, 125 MSa/s arbitrary waveform... (read more)Browse Noise Generators and Sources Datasheets for B&K Precision 
B&K Precision
4060 Series  Dual Channel Function/AWGs The 4060 Series Dual Channel Function/Arbitrary Waveform Generators are capable of generating stable and precise sine, square, triangle, pulse, and arbitrary waveforms. With an easytoread color display and intuitive user interface with numeric keypad, these instruments offer plenty of features including linear/logarithmic sweep, builtin counter, extensive modulation and triggering capabilities, a continuously variable DC offset, and a high performance 14bit, 500 MSa/s arbitrary waveform... (read more)Browse Signal Generators Datasheets for B&K Precision 
B&K Precision
4050 Series2 Chan. Func/Arb Waveform Generators The 4050 Series Dual Channel Function/Arbitrary Waveform Generators are capable of generating stable and precise sine, square, triangle, pulse, and arbitrary waveforms. With easytoread color displays and an intuitive user interface with numeric keypad, these instruments offer plenty of features including linear/logarithmic sweep, builtin counter, extensive modulation and triggering capabilities, a continuously variable DC offset, and a high performance 14bit, 125 MSa/s arbitrary waveform... (read more)Browse Signal Generators Datasheets for B&K Precision 
B&K Precision
Model 4045B  20 MHz DDS Sweep Func Gen w/Arb Func Model 4045B is a versatile 20 MHz DDS sweep function generator with arbitrary waveform capabilities. The instrument generates sine and square waveforms up to 20 MHz, triangle/ramp waveforms up to 2 MHz, and arbitrary waveforms (12bit, 50 MSa/s, 1k point) with high signal precision and stability. Providing variable output voltages from 0 to 10 Vpp into 50 ohms (up to 20 Vpp into open circuit), the 4045B also offers linear and logarithmic sweep, AM/FM modulation, and a continuously variable DC... (read more)Browse Signal Generators Datasheets for B&K Precision 
B&K Precision
Models 4007B/4013B  DDS Sweep Function Generators . Linear and logarithmic sweep. Adjustable duty cycle. Adjustable DC offset. Store and recall up to 9 instrument settings. Output On/Off button. Overvoltage, overcurrent, and short circuit protection on main output... (read more)Browse Signal Generators Datasheets for B&K Precision 
B&K Precision
4014B & 4040B  DDS Sweep Function Generators Models 4014B and 4040B are versatile sweep function generators, designed with a dual technology architecture combining direct digital synthesis (DDS) and a lowjitter square wave generator. These instruments generate sine, square, and triangle waveforms with high signal precision and stability. Both models provide variable output voltages from 0 to 10 Vpp into 50 ohms (up to 20 Vpp into open circuit), linear and logarithmic sweep, AM/FM modulation, and a continuously variable DC offset... (read more)Browse Signal Generators Datasheets for B&K Precision 
Myostat Motion Control, Inc.
ALPHABOT SOUP of application specific designs that place more emphasis on modelbased design and system integration. Used extensively in pickandplace, sorting, gluing and inspection applications, these structures (named for the shape of their construction) are built around the belt drive components and employ two motors mounted to two pulleys driving one belt. In this article, originally written for Design Engineering, Alexa Loiskandl examines the basic corrdinate and speed transformations engineers need... (read more) 
Wayne Kerr Electronics
Precision Magnetics Analyzer 3260B be selected. There is a choice of either linear or logarithmic frequency displays. 3260B is especially suitable for measuring parameters on telecom transformers. The selected measurement parameter and its secondary value are presented graphically. AC drive levels can be set between 1 mV and 10 V. DC bias current can be set from 1 mA to 1 A internally. Using external 3265B 25 A DC Bias Units bias currents can be set to a maximum of 125 A. Measure insertion loss and return loss on telecom transformers... (read more)Browse LCR Meters Datasheets for Wayne Kerr Electronics 
WD Bearing Group
WD Cylindrical Roller BearingsNJ/NCFV designs bearings are key components. Their geometry, the socalled logarithmic profile, provides an optimum stress distribution in the contact zones in the bearing. Their surface finish maximizes lubricant film formation and optimizes rolling motion of the rollers. The benefits derived from this compared with traditional designs include enhanced operational reliability and a greater insensitivity to misalignment. Bearing code for NJ/NCFV designs: NJ2317VH. NJ2318VH. NJ2319VH. NJ2320VH. NJ2322VH... (read more)Browse Cylindrical Roller Bearings Datasheets for WD Bearing Group
Conduct Research
...function of the actuators. The. thesis reports on single line analysis as well as broadband spectral characterization. experiments. The degree of complexity – defined here as the logarithmic ratio of. system to structure size – is a most relevant and rapidly growing technology. parameter. Typical...
...to differential. As mentioned above ideally, the signals on the two differential lines. should be equal and opposite. To this end, a simple ratio of the amplitudes of the signals will. provide a measure of the amplitude balance with 1 or (0 dB if a logarithmic scale is being used). being the ideal...
...to differential. As mentioned above ideally, the signals on the two differential lines should. be equal and opposite. To this end, a simple ratio of the amplitudes of the signals will provide a. measure of the amplitude balance with 1 or (0 dB if a logarithmic scale is being used) being the ideal. value...
...ideally, the signals on the two differential lines. should be equal and opposite. To this end, a simple ratio of the amplitudes of the signals will. provide a measure of the amplitude balance with 1 or (0 dB if a logarithmic scale is being used). being the ideal value. Similarly, ideally the phase...
...ideally, the signals on the two differential lines. should be equal and opposite. To this end, a simple ratio of the amplitudes of the signals will. provide a measure of the amplitude balance with 1 or (0 dB if a logarithmic scale is being used). being the ideal value. Similarly, ideally the phase...
...by the. appropriate thermomechanical processing (TMP) in the  or   or phase region and the. selection of a suitable alloy composition. In the present case the material has been deformed to a. logarithmic strain of 1.6 at 823 K directly after the finish of the pearlite transformation. An important...
More Information on: Logarithmic Transformation

Controlled Markov Processes and Viscosity Solutions
Logarithmic Transformations and Risk Sensitivity . . . . . . .

Regression with Linear Predictors
For instance, if a logarithmic transformation of y gives rise to a distribution closer to symmetry then the object for regression modeling may be taken to be instead the mean value E(log(y)) of the transformed variable.

C^\inftylogarithmic transformations and generalized complex structures
C^\infty logarithmic transformations and generalized complex structures .

Round handles, logarithmic transforms, and smooth 4manifolds
Round handles, logarithmic transforms , and smooth 4manifolds .

Cosmological information in Gaussianised weak lensing signals
We find that optimised Box Cox transformations perform substantially better than an oﬀset logarithmic transfor mation in Gaussianising the convergence, but both yield very similar results for the signaltonoise.

A nonlinear method of removing harmonic noise in geophysical data
This filtering method is based on the ensemble empirical mode decomposition algorithm in con junction with the logarithmic transform .

Transform Coefficient HistogramBased Image Enhancement Algorithms Using Contrast Entropy
This paper proposes three methods of image enhancement: a) logarithmic transform histogram matching, b) logarithmic transform histogram shifting, and c) logarithmic transform histogram shaping using Gaussian distributions.

Recent Advances in Reliability and Quality in Design
Chapter 19 by Castagliola, Celano and Fichera discusses a logarithmic trans formed EWMA chart that monitors a statistic that depends on the sample variance and presents sensitivity analysis of the economicstatistical design to the implemen tation of a S2 Shewhart chart.

Statistics Applied to Clinical Studies
This is a special method to transform skewed data into an approximately normal distribution, and is in that sense comparable with logarithmic transformation of relative risks (RRs).

Logarithmic transformations on elliptic fiber spaces II
Logarithmic transformations on elliptic fiber spaces II .

Will we ever classify simplyconnected smooth 4manifolds?
generalized logarithmic transform : Assume that X contains a homolog ically essential torus T with selfintersection zero.

Local image contrast enhancement under nonuniform illumination
Keywords –Contrast Enhancement, High Dynamic Range Image, logarithmic transformation , Contrast Measure, Sub block.

Statistics Applied to Clinical Trials
This is a special method to transform skewed data into an approximately normal distribution, and is in that sense comparable with logarithmic transformation of relative risks (RRs).

Business Analytics for Managers
We have seen in the previous paragraph that a logarithmic transformation can ease data problems and in particular make relationships between variables more consistent.

Machine Vision Handbook
13.4.1 Logarithmic Transformation Techniques ..........................................