| Filter_FIR_Data |
| Logical Entity Name | Filter_FIR_Data |
| Default Table Name | Filter_FIR_Data |
| Definition | Coefficients of a FIR filter |
| Filter_FIR_Data Attributes |
| Attribute/Logical Rolename | Domain | Datatype | NULL | Definition |
| fir_id |
NUMERIC(8, 0) | NO | FIR Filter identifier. Each FIR filter is assigned a unique integer which identifies it in a database | |
| coeff_nb |
NUMERIC(8, 0) | NO | The numerator/denominator number | |
| type | VARCHAR(1) | NO | This attribute denotes whether a value is associated with a numerator/denominator | |
| coefficient | FLOAT | NO | The numerator/denominator coefficient value | |
| error | FLOAT | YES | This attributes denotes the numerator/denominator error |
| Filter_FIR_Data Keys |
| Key Name | Key Type | Keys |
| FFD00 | PrimaryKey | fir_id, coeff_nb |
| Filter_FIR_Data Relationships |
| Parent Relationships: |
| Entity Name | Type | Cardinality | Business Name | VerbPhrase | InversePhrase | Foreign Keys | Is Supertype |
| Filter_FIR | Identifying | One To Zero or More | fir_id | NO |
| Child Relationships: |
| Entity Name | Type | Cardinality | Business Name | VerbPhrase | InversePhrase | Foreign Keys | Is Subtype |
| Filter_FIR_Data Check Constraints |
| Check Constraint Name | CheckConstraint |
| FFD01 | coeff_nb >= 1 |
| FFD02 | type IN ('N','D') |