Waterfall Search Frequency Resolution Hz per Channel Planner
Uniform waterfall channel width from bandwidth and channel count; not actual FFT resolution, Doppler drift search or sensitivity guarantee.
Description
Waterfall Search Frequency Resolution Hz per Channel Planner: return channel width hz.
A waterfall display divides a frequency band into channels. Equal-width channels assign the same bandwidth to each bin.
This tool returns channel width hz. Use the stated units and model convention when interpreting these fields.
When to use this tool
Use this tool when the supplied inputs match the specific operation described above and you need a repeatable result under its stated convention.
- Check the supported input and output contract against an existing calculation or observation.
- Use the complete example to confirm units, selector spelling and result interpretation.
How to use the tool and how it works
- Enter every field in the input table using the stated units and the exact supported selector spelling where applicable.
- Run the tool. Correct input errors before interpreting an output.
- Read the result fields below; use accompanying flags and the stated sign, boundary or model convention when interpreting a number.
Divide positive totalBandwidthHz by the positive integer channelCount.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| totalBandwidthHz | Total bandwidth hz. Hertz. | Finite number; greater than zero |
| channelCount | Channel count. | Integer; from 1 to 1000000000 inclusive |
| Output field | Interpretation |
|---|---|
| result | Object containing the following named result fields. |
| result.channelWidthHz | Channel width hz; use the stated units and sign convention. |
{
"input": {
"totalBandwidthHz": 1000,
"channelCount": 100
},
"output": {
"result": {
"channelWidthHz": 10
}
}
}Limitations and assumptions
- The output is channel spacing, without window-function bandwidth, Doppler drift or instrument response.
- Every declared field is required and unexpected fields are rejected. Numeric inputs must be finite; input errors are distinct from a valid false result or an explicitly qualified output.
- Extremely large inputs and nonfinite or excessively large outputs are rejected. List positions reported by the tool use zero-based indices unless stated otherwise.
Alternative or Complementary methods
Check the underlying observations, units and conventions independently before using the result in a larger workflow. The tools listed below address nearby tasks; compare their inputs and scope before substituting one for this operation.
References
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