ENVIRONMENT SENSOR TESTING DEVICE, TEST ASSEMBLY FOR AN ENVIRONMENT SENSOR, AND METHOD FOR OPERATING THE ENVIRONMENT SENSOR TESTING DEVICE

1 . An environment sensor testing device, comprising:

a receiver configured to:

receive a first environment signal from an environment sensor under test; and

convert the first environment signal into a first working signal;

a digital component comprising digital circuits or one or more processors configured to:

convert the first working signal into a first digital signal;

change the first digital signal into a second digital signal on the basis of a test scenario;

link the second digital signal to a third digital signal in order to form a fourth digital signal, wherein the third digital signal is dependent on a specification; and

convert the fourth digital signal into a second working signal; and

transmitter configured to:

convert the second working signal into a second environment signal; and

send it to the environment sensor;

wherein the third digital signal corresponds to at least one interference signal from a source of interference for the second working signal.

2 . The environment sensor testing device according to claim 1 , wherein the digital component is configured to generate the third digital signal on the basis of the specification or to load the third digital signal from a memory on the basis of the specification.

3 . The environment sensor testing device according to claim 1 , wherein the source of interference comprises at least one further environment sensor; and/or

wherein the at least one interference signal comprises at least one further environment signal from at least one further environment sensor.

4 . The environment sensor testing device according to claim 1 , wherein the test scenario comprises at least one object that is to be simulated in the environment of the environment sensor;

wherein the environment sensor testing device is configured to simulate the at least one object in the environment of the environment sensor; and

wherein the changing of the first digital signal into the second digital signal is dependent on the at least one object to be simulated.

5 . The environment sensor testing device according to claim 1 , further comprising:

an input configured for inputting input data, wherein the specification is dependent on the input data.

6 . The environment sensor testing device according to claim 1 , wherein the specification comprises:

a number of sources of interference,

at least one type of source of interference, and/or

at least one signal parameter of each interference signal.

7 . The environment sensor testing device according to claim 1 , wherein the specification includes whether the source of interference is moving or stationary.

8 . The environment sensor testing device according to claim 1 , wherein the environment sensor testing device is configured for testing a radar sensor and/or a LiDAR sensor.

9 . The environment sensor testing device according to claim 1 , wherein the digital component is configured as a field programmable gate array (FPGA).

10 . A test assembly for an environment sensor, wherein the test assembly comprises:

a receiver configured to:

receive a first environment signal from an environment sensor under test; and

convert the first environment signal into a first working signal;

a digital component comprising digital circuits or one or more processors configured to:

convert the first working signal into a first digital signal;

change the first digital signal into a second digital signal on the basis of a test scenario;

link the second digital signal to a third digital signal in order to form a fourth digital signal, wherein the third digital signal is dependent on a specification; and

convert the fourth digital signal into a second working signal;

a transmitter configured to:

convert the second working signal into a second environment signal; and

send it to the environment sensor; and

a holder for the environment sensor.

11 . A method for operating an environment sensor testing device, comprising:

receiving a first environment signal from an environment sensor under test,

converting the first environment signal into a first working signal;

converting the first working signal into a first digital signal;

changing the first digital signal into a second digital signal on the basis of a test scenario;

combining the second digital signal with a third digital signal in order to form a fourth digital signal, wherein the third digital signal is dependent on a specification;

converting the fourth digital signal into a second working signal;

converting the second working signal into a second environment signal; and

sending the second environment signal to the environment sensor;

wherein the third digital signal corresponds to at least one interference signal from a source of interference for the second working signal.

12 . The method according to claim 11 , wherein the third digital signal is generated on the basis of the specification or is loaded from a memory on the basis of the specification.

13 . The method according to claim 11 , wherein the source of interference comprises at least one further environment sensor; and/or

wherein the at least one interference signal comprises at least one further environment signal from the at least one further environment sensor.

14 . The method according to claim 11 , further comprising:

receiving input data via an input device, wherein the specification is dependent on the input data.

15 . The method according to claim 11 , wherein the specification comprises;

a number of sources of interference,

at least one type of source of interference, and/or

at least one signal parameter of each interference signal.