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JP6056172B2 |
To easily and accurately provide power consumption and the like of individual electric appliances such as variable-load household electric appliances, i.e., household electric appliances whose power consumption (current) varies in accord...
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JP6052580B2 |
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JP6049328B2 |
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JP6049469B2 |
To facilitate a highly accurate measurement of an electricity amount.The value deducting an addition average value with a second multiplied value by a second differential voltage instantaneous value located at an advance side and a secon...
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JP6050566B2 |
A test and measurement instrument processes digital data that represents an input signal to produce a target image, and then uses a computer vision technique to recognize a signal depicted within the target image. In some embodiments, th...
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JP6043560B2 |
To provide a measurement parameter setting controller and a measurement parameter setting control method which allow for simplification of the setting work, by matching the measurement parameters according to an error detection system in...
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JP6043486B2 |
A dF/dT trigger system and method includes instantaneously triggering on a frequency deviation of a data signal, which can be associated with an SSC signal. After receiving a signal at an input terminal (210) of a test and measurement in...
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JP2016206201A |
To broaden a bandwidth of an AWG output signal by a harmonic time interleave.A first sum unit 120 is configured to generate a sum reference signal adding a sample clock fs, and signal having a frequency of the sample clock multiplied by ...
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JP2016208340A |
To provide a lock-in amplifier which does not cause a measurement error even when a low-pass filter having a small time constant or degree is used.A lock-in amplifier (2, 22) includes phase detecting means (4, 4-1, 4-2, 24-1, 24-2), low-...
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JP6026980B2 |
An apparatus (30) and method for detecting a cut-off frequency of a pulse signal (First Pulse Signal) is provided to detect a cut-off frequency of a pulse signal, in a case a frequency of an inputted pulse signal exceeds a maximum rated ...
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JP2016191557A |
To provide a test device and a test method that can test a radio terminal more easily than before.A signal analysis device 10 comprises: a mixer 13 that performs frequency conversion to convert a radio frequency signal input from an RF s...
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JP6014175B2 |
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JP6008554B2 |
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JP2016180673A |
To provide a semiconductor integrated circuit and a test system of the semiconductor integrated circuit which diagnose an oscillator while suppressing the increase in area of a chip as much as possible.A transmission section 4, a recepti...
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JP6004510B2 |
[Problem] To provide a frequency calculation method that can shorten the calculation time. [Solution] The present invention finds the frequency of an input signal and is provided with the following: a window function calculation step (S2...
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JP5991075B2 |
To provide an illegal electric power-selling detection device, an illegal electric power-selling detection method, and an electric power-selling detection program, capable of easily determining whether or not a power sold by a user is a ...
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JP5991795B2 |
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JP5986598B2 |
A frequency adjustment device 10 includes an operation unit 14 that inputs data for a first minimum value and a first maximum value indicating a target range of a characteristic value, a fine adjustment mark display unit 24 that displays...
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JP5973949B2 |
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JP5970405B2 |
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JP5971425B1 |
A plurality of delay devices with which the signal analysis device contained the 1st delay device, the 2nd delay device, the 3rd delay device, and the 4th delay device at least are connected in series, As opposed to the predetermined poi...
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JP5956333B2 |
The present invention concerns a method of detecting electric variables of a three-phase AC network having a first, a second and a third phase, including the steps of measuring a respective voltage value of the first, second and third ph...
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JP5947943B1 |
[Subject] An unnecessary signal can be removed easily and a signal analysis device and a method of performing frequency measurement of a broadband by cheap hardware are provided. [Means for Solution] It is frequency f about a signal unde...
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JP5945615B1 |
[Subject] A signal measuring device, a signal measurement system, and a signal measuring method which can be measured without separating an image signal are provided. [Means for Solution] When a level of a measuring object signal corresp...
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JP2016109673A |
To provide an apparatus and method for laser voltage testing of a DUT, the system enabling laser voltage probing and laser voltage imaging of devices within the DUT.A selected area of the DUT is illuminated while the DUT is receiving tes...
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JP2016105045A |
To surely and easily grasp peak values of positive values and peak values of negative values, and component values corresponding to the peak values.The measurement result display control device mutually associates a bar graph G of length...
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JPWO2014006961A1 |
The channel estimation unit 101 estimates a channel estimation value indicating the channel characteristics of the radio channel based on the received signal received by the radio channel. The correlation value calculation unit 103 calcu...
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JP5922494B2 |
A physical quantity measuring method includes: (a) generating a synchronized input signal from an input signal, wherein the synchronized input signal is synchronized with a preference clock; (b) measuring a total number (N sum ) that is ...
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JP2016090670A |
To provide a frequency analysis device and program that allow time-series digital data such as an acoustic signal and the like to be efficiently analyzed in short time.A frequency analysis device performing a frequency analysis of a fram...
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JP5918820B2 |
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JP5917094B2 |
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JP5901631B2 |
Systems and method for detecting potentially harmful harmonic and direct current signals at a transformer are disclosed. One such system includes a plurality of detection components electrically connected to electrical signal lines leadi...
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JP5883558B2 |
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JP5879372B2 |
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JP5877188B2 |
A frequency measuring apparatus includes: a counter section adapted to count a signal including a pulse signal for a predetermined time period, and output a binary count value corresponding to a frequency of the signal including the puls...
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JP5876975B2 |
A signal generation circuit includes: a first signal source that generates a first signal; and a variable rate frequency divider section that generates a variable rate frequency-divided signal in which a first frequency-divided signal ob...
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JP5872794B2 |
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JP5858354B2 |
A test and measurement instrument converts digital data that represents an input signal into a plurality of bitmaps, and then subtracts one of the bitmaps from another one of the bitmaps to produce a difference bitmap. The difference bit...
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JP5855886B2 |
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JP5855610B2 |
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JP5854551B2 |
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JP5851567B1 |
[Task] Provided are a measuring instrument protector and a measuring instrument protection method capable of completely discharging the static electricity charged between the center conductor and the outer conductor. In the center conduc...
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JP2016017949A |
To enable effective and easy acquisition of a local oscillation frequency of a local oscillator located inside an object under measurement.A local oscillation frequency measurement device 10 of the present invention includes: sweep signa...
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JP5849341B2 |
A method and apparatus for improved video bandwidth resolution in DFT-based spectrum analysis is disclosed. A first embodiment comprises an emulation of a continuous range of video bandwidths in DFT-based spectrum analysis using overlapp...
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JP5846923B2 |
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JP5841930B2 |
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JP5841709B2 |
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JP5842017B2 |
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JP5838394B2 |
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JP5840868B2 |
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