英語 での The noise floor の使用例とその 日本語 への翻訳
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In that case, we need to measure a noise power density of -150dBm/Hz, which is lower than the noise floor of most spectrum analyzers.
Overtones of the free-running stepup converter are visible all the way out to 10MHz, whereas spread-spectrum broadening(Figure 4) pushes the tones into the noise floor.
In situations where the received data stream is close to the noise floor(low RF-signal levels from distant transmitters, for example) the transition edges might have multiple transitions on the data-slicer output.
The noise floor is so low in 24-bit that you can give yourself a lot of room(15-20 dB) between your peaks and 0 dBFS without worrying about noise or loss of resolution.
Figure 11: SNR at 25 dB Noise Floor The noise floor is a mixture of all of the background RF radiation found in the environment that surrounds the system in use.
When using a high sample rate, for example 96kHz, it is possible to keep the noise floor lower for most of the human hearing range and move most of the noise signal to frequencies that are completely inaudible.
In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system.
A common way to lower the noise floor in electronics systems is to cool the system to reduce thermal noise, when this is the major noise source.
The noise floor, performance spurs, and jitter of a DDS device are greatly influenced by circuit board layout, the quality of the power supplies, and-most importantly-the quality of the input reference clock.
The noise floor of the ADC can be calculated as follows: With an ADC driver noise floor of 13.7 μV rms, this falls below the target of 1⁄3 of the ADC noise. .
Functions from MATLAB and Signal Processing Toolbox can be used to identify the sync pattern, calculate the noise floor, make bit decisions and calculate the checksum.
Since reciprocal mixing impresses the LO noise at the IF port as defined by Equation 2, it is possible to measure the noise floor of the LO driver by measurements at IF.
One measurement useful in comparing RF modulator performance is the device's dynamic range, which is the difference between the maximum practical signal level, as expressed by P1dB, and the noise floor.
Frequency domain processing includes a 512-point, real-valued FFT for each axis, along with FFT averaging, which reduces the noise floor variation for finer resolution.
We have the highest quality standards, and with Dante everything is clean,” added Thiele.“I can route all my signals remotely from backstage or from the front of house position, and not have to worry about running analog subsnakes everywhere. The noise floor and signal latency on all our Dante devices is virtually non-existent.”.
Is it a signal 1 dB above the noise floor?