Laser system and laser measurement method

A laser system, comprising:

• a light emitting assembly, configured to generate an emitting signal and sequentially emit a plurality of groups of emitted light within a current frame scanning duration according to the emitting signal;
• wherein the emitting signal comprises time information indicating an emission start moment of each group of the emitted light;
• and
• a receiving end assembly, configured to convert at least one group of reflected light formed by reflecting the emitted light at at least one target object in a target scene into an output signal;
• wherein a type of the output signal is electrical signal;
• wherein within the current frame scanning duration, a position of a receiving field of view of the receiving end assembly in the target scene changes according to a first designated rule and/or a shape of the receiving field of view changes according to a second designated rule;
• from an emission start moment at which corresponding emitted light is emitted, an emitting field of view of the light emitting assembly is located in the current receiving field of view within a preset receiving duration, and an area of the receiving field of view is greater than or equal to twice an area of the emitting field of view;
• wherein the first designated rule comprises a change along a designated direction;
• the emitting field of view is a projection area of each group of the emitted light in the target scene, and the receiving field of view is an area in the target scene corresponding to all light beams that can be received by the receiving end assembly within the preset receiving duration.