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JP4432099B2 |
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JP4427135B2 |
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JP4420542B2 |
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JP2010038610A |
To provide a waveform observing apparatus suppressed in the influence of the heat of terminal blocks.The waveform observing apparatus includes measuring units 23 composed of terminal blocks 25 for receiving wiring conductors from measuri...
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JP4416369B2 |
In order to display the amplitude distortions of a transmission channel, the amplitude distribution of a measurement signal of a known amplitude distribution is measured at the output of the transmission channel. Based on a given multitu...
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JP4407507B2 |
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JP4408026B2 |
A real time multi-channel digital storage oscilloscope acquires a relatively long data record for each channel in an acquisition memory and processes the data of the relatively long data record to search for predetermined events. Upon de...
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JP4395833B2 |
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JP4389344B2 |
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JP2009300112A |
To provide a waveform display device capable of achieving an excellent residual light characteristic even if a small memory capacity, and displaying waveform information having a small generation frequency without losing it.The waveform ...
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JP2009300114A |
To provide a waveform display apparatus capable of displaying waveform information having a small generation frequency without losing it, and displaying a trigger waveform with proper brightness without depending on a trigger length.The ...
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JP4385838B2 |
A waveform measuring apparatus can sequentially and continuously read measurement data from an acquisition memory, where the measurement data has been written by multiple acquisitions, after acquisition stops. The waveform measuring appa...
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JP4385739B2 |
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JP4387024B2 |
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JP4385398B2 |
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JP4379691B2 |
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JP4379689B2 |
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JP4379916B2 |
A waveform display apparatus is realized in which it is easy to distinguish whether waveform data is being compressed and displayed under a cursor. The present invention adds an improvement to a waveform display apparatus, in which the w...
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JP4374817B2 |
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JP4372447B2 |
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JP4362759B2 |
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JP2009538428A |
Test systems, devices, and methods that provide high current test stimuli to wafer and chip foam semiconductor devices (4,10,20) include multiple probes (2) that electrically couple to each contact point (3) in the semiconductor device. ...
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JP2009258108A |
To draw a waveform image representing an input signal in a no dead time acquisition system.A trigger generator 16 generates a trigger signal containing all trigger events in an input signal. A rasterizer 20A receives an input signal dela...
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JP2009216617A |
To convert accurately an alternating current signal whose frequency is changed in proportion to time into, for example, a digital signal for Fourier transform analysis.This circuit includes a zero-cross detection part 11 for outputting a...
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JP2009210522A |
To provide an equivalent sampling device capable of relaxing the requirements of a high-speed operation upon the generation of a trigger.The equivalent sampling device includes: a reference clock generation part 11 generating a reference...
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JP4332619B2 |
Image alias rejection when converting a high resolution rasterized waveform to a lower resolution rasterized waveform for display uses a statistical filter. The statistical filter provides a shaped probability density function either by ...
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JP4333070B2 |
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JP4323917B2 |
A method for controlling the stability of a short-pulse laser, comprising the step of isolating said short-pulse laser from an external environment, wherein the short-pulse laser is a fiber laser, by wrapping said fiber laser on a fiber ...
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JP2009186345A |
To detect accurately a phase at a prescribed point of time of a measured signal on which a harmonic is superimposed.This device is equipped with a correlation calculation part 4 for determining an autocorrelation function Dc of a measure...
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JP4317873B2 |
In a method and system for determining the composition of a subscriber loop, the method consists of analyzing the echo responses generated by the transmittal of pulses onto the subscriber loop. In the method, discontinuities along a loop...
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JP2009168662A |
To provide an evaluation method of output waveform for evaluating an output waveform with high accuracy by removing a wavelength measuring device's own distortion.The evaluation method of output waveform includes determining a differenti...
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JP2009162493A |
To make it easy for an operator to visually check of detection of a low S/N signal.A correlation function display system has an N-th power calculating part which performs a normalizing operation for an amplitude value outputted from a co...
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JP4278077B2 |
For measuring and evaluating multi-carrier signals the I and/or Q components obtained by demodulation are integrated across several values and are graphically shown for every single carrier or combined carrier groups of the multi-carrier...
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JP2009122098A |
To calibrate setup time, hold time, and skew of a test and measurement apparatus 10.Each input block 18 has a plurality of input circuits 16. Each input circuit 16 receives an input signal from a port 20, and receives a reference signal ...
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JP2009115723A |
To achieve a probe attachment for easily adjusting and determining the stable contact and the distance between the probe and a GND tip.This probe attachment has a probe body having a probe tip and the GND tip disposed in the probe body. ...
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JP2009115675A |
To provide a waveform recorder for recording a waveform drawing data to make a signal waveform about an input signal drawable sufficiently approximately, without increasing a manufacturing cost.This waveform recorder is provided with a m...
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JP2009109283A |
To provide a waveform display device having excellent operability, capable of shortening an operation time of a user.The waveform display device for displaying a measured waveform in a designated display mode includes an operation predic...
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JP2009109488A |
To improve the performance and flexibility of serial data analysis.In a transmitter section 10, a demultiplexer 12 inputs serial data and outputs nN data lanes, an encoder 14 inputs these data lanes and generates mN encoded data lanes, a...
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JP4254193B2 |
In a measurement device, according to a measurement signal acquired from an object to be measured, a predetermined physical amount contained in the measurement signal is measured in a predetermined measurement range concerning a particul...
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JP2009515198A |
Embodiments of the present invention comprise systems and methods for determining measurement apparatus acquisition parameters and related processing.
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JP4247517B2 |
A waveform editing program displays waveforms of different types generated from the same data on the same screen, so that the characteristics of the waveforms can be easy to know, and with improved operability in the waveform editing, de...
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JP2009063294A |
To provide a signal waveform output system for efficiently outputting signal waveforms.The i-th data file for output created by extracting maximum data and minimum data from every 2p pieces of data sections of the (i-1)-th data files for...
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JP4242362B2 |
A signal-processing device includes an analog-to-digital converter for the generation of a digital input signal from an analog input signal, an intermediate memory for the intermediate storage of the digital input signal and a digital si...
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JP4242364B2 |
A method for controlling the stability of a short-pulse laser, comprising the step of isolating said short-pulse laser from an external environment, wherein the short-pulse laser is a fiber laser, by wrapping said fiber laser on a fiber ...
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JP4240269B2 |
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JP2009047589A |
To provide an oscilloscope which is capable of measuring two signals to be measured, using one probe part.The oscilloscope includes the probe part 10 which has a probe 12a for measuring a first signal to be measured, a ground lead 12b to...
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JP4233622B2 |
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JP4230429B2 |
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JP2009008518A |
To display a true waveform signal which is not affected by noise by storing waveform signals collected by a probe in the probe, and then displaying them.An observing object waveform signal inputted through a probe part 2 is attenuated to...
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JP4209674B2 |
A method and apparatus for governing the internal operation of an instrument. The apparatus comprises device for storing a value, device for changing the value and a device for attaching to another item that need to be notified of a chan...
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