| Subject | English | Czech |
| agric., polit. | compulsory modulation | povinná modulace |
| astr. | frequency modulation | frekvenční modulace |
| comp., MS | modulation standards | modulační standardy (Protocols that determine how modems convert digital data into analog signals that can be transmitted over telephone lines) |
| agric. | optional modulation | volitelná modulace |
| astr. | pulse duration modulation | šířková impulsová modulace |
| astr. | pulse width modulation | šířková impulsová modulace |
| polit., agric. | voluntary modulation | dobrovolná modulace |