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lib/trends_FIR/kaiser/Kaiser.md
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# KAISER: Kaiser Window Moving Average
# KAISER: Kaiser Window Moving Average
| Property | Value |
| ---------------- | -------------------------------- |
| **Category** | Trend (FIR MA) |
| **Inputs** | Source (close) |
| **Parameters** | `period` (default 14), `beta` (default 3.0) |
| **Outputs** | Single series (Kaiser) |
| **Output range** | Tracks input |
| **Warmup** | `period` bars |
### TL;DR
- KAISER applies the Kaiser-Bessel window function as FIR filter weights, providing a single parameter ($\beta$) that continuously controls the trade...
- Parameterized by `period` (default 14), `beta` (default 3.0).
- Output range: Tracks input.
- Requires `period` bars of warmup before first valid output (IsHot = true).
- Validated against TA-Lib, Skender, and Tulip reference implementations where available.
> "James Kaiser gave signal processing a knob. Turn beta up, sidelobes go down, transition band widens. Turn it down, you get an SMA. One parameter to rule them all."