Modifiers matching waveform:

• periodic,
• digital,
• localized,
• standard,
• special,
• regular,
• controllable,
• repetitive,
• sharp,
• common,
• transient,
• individual,
• original,
• complex,
• fixed,
• simple,
• flat,
• elastic,
• rich,
• up,
• fundamental,
• biomedical,
• rectangular,
• basic,
• repeated,
• analog,

Simple categories matching analog:

• quantity,
• signal,
• record,
• content,
• component,
• receiver,
• medium,
• gear,
• input,
• controller,
• structure,
• terminal,
• instrumentation,
• equipment,
• device,
• system,
• model,
• circuit,
• tape,
• material,
• information,
• code,
• means,
• sensor,
• imperfection,
• audio,
• image,
• recording,
• modulation,
• item,
• object,
• sound,
• control,
• transducer,
• hardware,
• display,
• work,
• noise,
• source,
• block,
• property,
• phenomenon,
• amplifier,
• behavior,
• video,
• data,
• product,
• unit,
• function,
• stuff,
• reference,
• amount,
• cable,
• entity,
• recorder,
• machine,
• mechanism,
• practice,
• connection,
• works,
• measurement,
• arts,
• impairment,
• anomaly,
• value,
• form,
• test,
• characteristic,
• interface,
• waveform,
• instrument,
• creation,
• part,
• camera,
• devices,
• circuitry,
• original,
• representation,
• format,
• generator,