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JP5260700B2 |
To prevent the transfer capacity of an interface and the storage capacity of a storage device in APD measurement from being increased. A two-dimensional map of a signal level in each frequency band component composed of a level axis in w...
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JP5249390B2 |
In a signal measurement device, a plurality of mixers output a signal having a frequency equal to a difference between two input frequencies, and a single local signal source feeds a common local signal input to the plurality of mixers. ...
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JP5251291B2 |
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JP5249499B2 |
An RF/IF signature trigger for acquiring received RF signal data is generated by correlating the received RF signal data in the form of a time domain RF/IF signal, a detected RF/IF signal and/or a frequency domain RF/IF signal with a ref...
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JP5237939B2 |
A method for instantaneously determining rates of distortion on variable frequency signals, and an associated device, in which a harmonic distortion rate is calculated across the shortest possible temporal window, corresponding to the du...
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JP5233201B2 |
To provide a magnetic device and a frequency detector for industrially utilizing a resonance phenomenon in the direction of magnetization of a magnetoresistance effect element. The magnetic device comprises: the magnetoresistance effect ...
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JP5232388B2 |
A wideband signal analyzing apparatus for analyzing an input signal includes frequency-shifting means for generating a plurality of intermediate frequency signals by shifting a frequency of the input signal as much as respectively differ...
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JP2013131010A |
To solve the problem that since it used to be impossible to identify a monitoring object by determining whether the monitoring object is an animal or a human being in a conventional intrusion monitoring device, even when an animal other ...
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JP5229737B2 |
To extract a basic part of a spectrogram for composing a observation signal, and to estimate what kind of phase spectrum is associated and mixed, by an efficient algorithm. An initial setting section 1 outputs two dimensional matrix incl...
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JP5225730B2 |
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JP5226186B2 |
Frequency discriminator based on a variant of the DFT transform in which the usual twiddle factors are replaced with twiddle factors as for a DFT on a number of points which is the double as the actual number of sample points. The DFT so...
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JP2013127405A |
To eliminate a spread of a spectrum in distortion component analysis.A distortion component analysis apparatus is provided with a frequency measurement section (15) which measures the frequency of an input signal, a mixed frequency deter...
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JP5218783B2 |
A realtime spectrum trigger system on a realtime oscilloscope considers both the magnitude and phase of an input signal having a periodic component so that successive acquisitions of the input signal are time aligned. A user inputs a fre...
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JP5218824B2 |
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JP5220320B2 |
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JP2013124915A |
To provide a power meter capable of changing waveform display contents with relatively easy setting operation.A power meter having a waveform display function is provided with: display form setting condition storage means for storing a p...
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JP5214074B1 |
A frequency-coefficient calculating unit calculates, as a frequency coefficient (fc), a value ((v21+v23)/(2v22)) obtained by normalizing, with a differential voltage instantaneous value (v22) at intermediate time, an average ((v21+v23)/2...
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JP2013120253A |
To provide a spectrum vector storage device that stores a spectrum vector having high frequency resolution with a spectrum having a small number of dimensions.A spectrum vector calculation unit 12 calculates, from longitudinal data obtai...
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JP2013117426A |
To provide a frequency detection circuit capable of accurately detecting the frequency of a detection target signal without using any A/D converter having high voltage resolution.The frequency detection circuit includes a mixer 3 for mix...
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JP5206037B2 |
To achieve a sweeping type measuring device for displaying a smooth graph as a renewal rate maintained. In the sweeping type measuring device including a sweeping part for outputting a sweeping signal in which a signal level is changed i...
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JP5203440B2 |
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JP2013104777A |
To provide a device and method for detecting frequency of AC voltage or current, capable of providing continuous frequency detection with a stable accuracy using a simpler configuration.A frequency detector includes; pulse converter modu...
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JP2013104677A |
To allow a user to surely and easily recognize an outline of a measurement result in a graph of any measurement result displaying frame, regarding a region hidden behind a graph of other measurement result displaying frame.A device for d...
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JP2013096841A |
To improve accuracy of level measurement of a spectrum analysis device 100 by providing a band changeover switch 11 capable of preventing disturbance of frequency characteristics by improving isolation.The spectrum analysis device 100 in...
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JP2013517486A |
A method for monitoring a frequency signal provided within a unit is disclosed. The method comprises a step of receiving one or more binary signal levels of a cycle signal (CLK) or a control signal (CS) from a communication interface (CL...
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JP5188449B2 |
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JP2013072784A |
To accurately detect a signal period.By selectively making to pass low frequency components of the concerned signal PS by an LPF section 120 which received the rectangular pulse signal PS sent from a signal generation source 210, such a ...
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JP5186474B2 |
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JP5181427B2 |
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JP5179615B2 |
To accurately test the operating state of the APD measuring device. A test device 40 includes a test signal generator 41 that generates a test signal corresponding to the center frequency of a signal to be measured and a control unit 42 ...
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JP2013061347A |
To improve operability of APD measurement.An APD measuring apparatus 1 analyzes frequency components of a measured signal, respectively detects amplitudes of the respective analyzed frequency components, finds amplitude probability of th...
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JP5171694B2 |
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JP5171379B2 |
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JP5155254B2 |
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JP5154741B2 |
Time variation of phase noise characteristics is displayed for measurement. A peak power of a signal under test is detected to define the frequency as a reference frequency. An offset frequency from the reference frequency is repetitivel...
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JP5148581B2 |
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JP5141052B2 |
A power supply noise measuring circuit and measuring method are provided which are capable of evaluating a frequency component of power supply noise that affects performance and functions in a circuit by using a cross-correlation functio...
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JP2013024853A |
To provide a high-speed and highly accurate frequency counter having a small occupation circuit area.The frequency counter obtains the number of clock cycles of a measured signal by using a clock mask where a reference signal and the mea...
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JP2013024856A |
To provide a frequency measuring method of full automatic program control with a speed and accuracy of frequency measurement improved, and a system therefor.In the frequency measuring method and the system therefor, the number of clock c...
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JP2013024858A |
To provide a frequency calibration method of full automatic program control with a speed and accuracy of frequency measurement improved, which is provided with a self-calibration function to an electronic facility itself, and a system th...
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JP5123942B2 |
A device (10) for measuring a frequency of an input signal (IN) that is expected to comprise a carrier signal (CS) either being unmodulated (CSU) or being modulated (CSM) according to a predefined signal coding and relates to a Radio Fre...
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JP5125520B2 |
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JP5125287B2 |
To provide a magnetic device and a frequency analyzer of utilizing industrially a resonance phenomenon in the magnetization direction of a magnetoresistance effect element. The magnetization direction F is vibrated affected by a level of...
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JP5119501B2 |
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JP5118833B2 |
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JP5106583B2 |
To reduce power consumption of a TDC circuit with high resolution.The TDC according to the present invention includes: a ring oscillator 10 having a delay line with a plurality of delay elements 11 for delaying an input signal connected ...
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JP5100764B2 |
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JP5094937B2 |
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JP5092762B2 |
To solve the problem that, when transferring information about the temperature of a temperature sensing diode SD that senses the temperature of an inverter to a microcomputer 20, if a port comprising a timer function or an A/D conversion...
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JP2012233851A |
To indicate a degree of approach of a test object signal to a trigger condition.The test object signal is digitalized by an ADC 315, and a digital sample is supplied to a trigger event detector 305. In response to the trigger signal, the...
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