英語 での Carrier frequency の使用例とその 日本語 への翻訳
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Programming
DQPSK is a variation of QPSK, which works with the phase change of the carrier frequency rather than the absolute phase.
This transmitter has a variety of linear and non-linear pre-correction function, carrier frequency offset, and precision bias(with external precision reference source) function.
As a result, the transmitted FM signal varies either side of the carrier frequency according to the composite signal level- ie, it is frequency modulated.
Design Variables There are three variables that must be accounted for when designing a universal learning remote: the carrier frequency, the bit format, and the frame format.
G>A(p. R1264H), that had a carrier frequency of 1% in Orthodox Ashkenazi Jewish individuals and 0.45% in the general Ashkenazi Jewish population.
At 500kHz from the carrier, which is approximately one side of the 0.25% bandwidth limit, the 10kbps spectrum should be 44dB less than the carrier frequency lobe.
To analyze the noise spectrum of low voltage network, properly chose the carrier frequency and communication period is the key to eliminate the noise effects to the carrier communication.
However, when measuring the carrier frequency of the modulated waves such as ASK and QPSK, it can't be correctly measured with a frequency counter because various spectra exist near the carrier frequency.
In the third embodiment, the carrier frequency used in the modulator is varied so that the centre frequency of the spread data signal is positioned in a relatively high energy portion of the audio track.
The typical pulse-width modulation(PWM) carrier frequency is 2 kHz. Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.
ST25 NFC/ RFID tags& readers are based on the 13.56 MHz carrier frequency and support ISO/IEC 14443 and ISO/IEC 15693 standards.
The RAM vector consists of: a header that includes the count of the number of on-off cycles; a value that represents the carrier frequency; and a sequence of value pairs that represent the on-time and off-time for each on-off cycle.
A popular example is in-phase and quadrature modulation(I/Q), a technique wherein signal information is derived from a carrier frequency at its 0° and 90° phase angles.
the first electromagnetic wave having at least one carrier frequency.
Since the microcontroller is operating at 16MHz and the frequency of the carrier is(at most) 60kHz, the carrier frequency can be measured precisely.
In general, the demodulation operation separates the red and infrared signals from the composite signal and removes the 625 Hz carrier frequency, leaving raw data points.
In particular, in the case of modulated wave used for communication, it is very important to measure the carrier frequency accurately because the deviation of the carrier frequency causes a communication error.
From the formulas for the power in the ASK spectrum shown above, it is easy to predict the 20dB bandwidth of an ASK-modulated signal by determining the sidelobe whose power is at least 20dB less than from the power in the carrier frequency lobe.
It is a relatively rare syndrome with an estimated carrier frequency of one in 181 individuals in the United States(range: 1 in 156 to 1 in 209) and a carrier frequency of up to 1 in 100 individuals of Ashkenazi Jewish ancestry.
The device combines a powerful 16-bit RISC microcontroller and integrated peripherals including two universal synchronous/asynchronous receiver-transmitters(USART), SPI master/slave and I2C communications ports, along with an IR module with carrier frequency generation and flexible port I/O capable of multiplexed keypad control.