SU369736A1 - METHOD OF MEASURING THE UNEQUALITY OF FREQUENCY - Google Patents

METHOD OF MEASURING THE UNEQUALITY OF FREQUENCY

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Publication number
SU369736A1
SU369736A1 SU1457091A SU1457091A SU369736A1 SU 369736 A1 SU369736 A1 SU 369736A1 SU 1457091 A SU1457091 A SU 1457091A SU 1457091 A SU1457091 A SU 1457091A SU 369736 A1 SU369736 A1 SU 369736A1
Authority
SU
USSR - Soviet Union
Prior art keywords
measuring
frequency
unequality
pulses
maximum
Prior art date
Application number
SU1457091A
Other languages
Russian (ru)
Inventor
Н. И. Волков знА А. Г. Розин
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to SU1457091A priority Critical patent/SU369736A1/en
Application granted granted Critical
Publication of SU369736A1 publication Critical patent/SU369736A1/en

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Description

1one

Изобретение относитс  к области измерений элактроакустических преобразователей.This invention relates to the field of measurement of ellactroacoustic transducers.

Известны способы из.мерени  неравномерности частотной .характеристики электроакустического преобразовател  путем логарлфмировани  напр жени , пропорционального акустическому сигналу.Methods are known for measuring the non-uniformity of the frequency characteristics of an electroacoustic converter by logging a voltage proportional to an acoustic signal.

Р1звестпые способы /не обеспечивают требуемой точности измерени  из-за больши.х погрешностей , вноси.мых в процессе измерени  реззльтата логарифмировани .The known methods / do not provide the required accuracy of measurement due to the large errors introduced in the logarithmic measurement process.

Дл  увеличени  точности результата измерени  по предлагаемому способу измер ют разность .между максимальным и минимальным значени ми результата логарифмировани  и преобразуют ее в пропардианальнос число и.мпульсов.In order to increase the accuracy of the measurement result according to the proposed method, the difference between the maximum and minimum values of the logarithm result is measured and converted into a propardian number of pulses.

Измерение неравномерности частотной характеристики по описываемо.му способу и ее контроль производ т следующим образо.м. Акустический сигнал электроакустического преобразовател  преобразуют в пропорциональное ему напр жение. Это напр жение логарифмируют и выдел ют из него .максимальное и минимальное значени , соответствующие максимуму и миниму.му частотной характеристики . После этого согласно онисывае.мому способу из максимального значени  результата логарифмировани  вычитают его мини .мальное значение, а полученную разность преобразуют в пропорционалыное ей число импульсов . Подсчетом количества этих импульсов производ т определение неравномерности частотной характеристики. Количество .импульсов , характеризующее эту разность, . получить и вычитанием числа импульсов, пропорционального упом нуто.му минимуму, из числа импульсов, пропорционального упом нуто .му максимуму.The measurement of the non-uniformity of the frequency response according to the described method and its control is carried out as follows. The acoustic signal of an electroacoustic converter is transformed into a voltage proportional to it. This voltage is logarithmized and the maximum and minimum values corresponding to the maximum and minimum frequency characteristics are extracted from it. After that, according to his method, his minimum value is subtracted from the maximum value of the result of logarithmization, and the resulting difference is converted into the number of pulses proportional to it. By counting the number of these pulses, the unevenness of the frequency response is determined. The number of pulses characterizing this difference,. obtain and subtract the number of pulses proportional to the minimum mentioned from the number of pulses proportional to the maximum mentioned.

Предмет изобретени Subject invention

Способ из.мерени  неравномерности частотной характеристш и электроакустического преобразовател  путе.м логарифмировани  напр жени , пропорционального акустическому сигналу , отличающийс  тем, что, с целью увеличени  точности результата измерени , измер ют разность между максимальны.м и мплимальным значени ми результата логарифмировани  ц преобразуют ее в пропорциональное число .импульсов.A method of measuring the non-uniformity of the frequency response and the electroacoustic converter by logarithmizing a voltage proportional to an acoustic signal, characterized in that, in order to increase the accuracy of the measurement result, the difference between the maximum and the minimum values of the logarithm result is converted to proportional number of pulses.

SU1457091A 1970-07-06 1970-07-06 METHOD OF MEASURING THE UNEQUALITY OF FREQUENCY SU369736A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1457091A SU369736A1 (en) 1970-07-06 1970-07-06 METHOD OF MEASURING THE UNEQUALITY OF FREQUENCY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1457091A SU369736A1 (en) 1970-07-06 1970-07-06 METHOD OF MEASURING THE UNEQUALITY OF FREQUENCY

Publications (1)

Publication Number Publication Date
SU369736A1 true SU369736A1 (en) 1973-02-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU1457091A SU369736A1 (en) 1970-07-06 1970-07-06 METHOD OF MEASURING THE UNEQUALITY OF FREQUENCY

Country Status (1)

Country Link
SU (1) SU369736A1 (en)

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