how to find how long an event has to remain constant in order to influence frequency if type a of a stream is instantaneous what is the frequency of type a events that are always affected how do I measure the frequency of type a events over time? how can you measure b type events in relation to a type a event? how can you measure the frequency of events how can i measure a type of event why are some events instantaneous how can i measure the frequency of an event? how does frequency affect event frequency what type of events are b2 how to determine how frequency affects events over time b type events how can i determine if the frequency of type a event increases significantly how do you tell if an event is always influencing the frequency of a stream? determining the effect of different events on frequency what type of event is instantaneous how to determine whether an event is instantaneous what type of event increases in frequency what is type b in tv physics