RadarRangeFFT#
Functions#
- NVCVStatus pvaRangeFFTCreate(NVCVOperatorHandle *handle, NVCVTensorRequirements const *const inTensorRequirements, NVCVTensorRequirements const *const winTensorRequirements, NVCVTensorRequirements const *const outTensorRequirements, PVARangeFFTParams const *const params)
Constructs an instance of the RangeFFT operator.
- NVCVStatus pvaRangeFFTSubmit(NVCVOperatorHandle handle, cupvaStream_t stream, NVCVTensorHandle const in, NVCVTensorHandle const win, NVCVTensorHandle out)
Submits the RangeFFT operator to a cuPVA stream.
- NVCVStatus pvaRangeFFTSubmit(NVCVOperatorHandle handle, cudaStream_t stream, NVCVTensorHandle const in, NVCVTensorHandle const win, NVCVTensorHandle out)
Submits the RangeFFT operator to a CUDA stream.
Functions#
- NVCVStatus pvaRangeFFTCreate(
- NVCVOperatorHandle *handle,
- NVCVTensorRequirements const *const inTensorRequirements,
- NVCVTensorRequirements const *const winTensorRequirements,
- NVCVTensorRequirements const *const outTensorRequirements,
- PVARangeFFTParams const *const params,
Constructs an instance of the RangeFFT operator.
Limitations:
The supported number of samples is 512 and 1024. The number of range bins can’t be greater than (the number of samples / 2 + 1).
Input: Data Layout: [HCW, NHCW] W: Number of samples. C: Number of RX channels. H: Number of chirps.
Batches: [1]
Rank: 3 for [HCW] or 4 for [NHCW].
Data Type
Allowed
8bit Unsigned
No
8bit Signed
No
16bit Unsigned
No
16bit Signed
No
32bit Unsigned
No
32bit Signed
Yes
32bit Float
No
64bit Float
No
2x16bit Unsigned
No
2x16bit Signed
No
2x32bit Unsigned
No
2x32bit Signed
No
Input: Data Layout: [W, NW] W: Number of coefficients. Must be the same as the number of samples in the input tensor.
Batches: [1]
Rank: 1 for [W] or 2 for [NW].
Data Type
Allowed
8bit Unsigned
No
8bit Signed
No
16bit Unsigned
No
16bit Signed
No
32bit Unsigned
No
32bit Signed
Yes
32bit Float
No
64bit Float
No
2x16bit Unsigned
No
2x16bit Signed
No
2x32bit Unsigned
No
2x32bit Signed
No
Output: Data Layout: [HCW, NHCW] W: Number of range bins. C: Number of RX channels. H: Number of chirps.
Batches: [1]
Rank: 3 for [HCW] or 4 for [NHCW].
Data Type
Allowed
8bit Unsigned
No
8bit Signed
No
16bit Unsigned
No
16bit Signed
No
32bit Unsigned
No
32bit Signed
No
32bit Float
No
64bit Float
No
2x16bit Unsigned
No
2x16bit Signed
No
2x32bit Unsigned
No
2x32bit Signed
Yes
Input/Output Dependency:
Property
Input == Output
Data Layout
Yes
Data Type
No
Number
Yes
Channels
Yes
Width
N/A
Height
Yes
- Parameters:
handle – [out] Where the operator instance handle will be written to.
Must not be NULL.
inTensorRequirements – [in] Pointer to the NVCVTensorRequirements structure which contains input Tensor layout rank, shape and data type information.
winTensorRequirements – [in] Pointer to the NVCVTensorRequirements structure which contains window Tensor layout rank, shape and data type information.
outTensorRequirements – [in] Pointer to the NVCVTensorRequirements structure which contains output Tensor layout rank, shape and data type information.
params – [in] Pointer to the RangeFFT parameters. PVARangeFFTParams.
- Return values:
NVCV_ERROR_INVALID_ARGUMENT – Handle is null or some parameter is outside valid range.
NVCV_ERROR_OUT_OF_MEMORY – Not enough memory to create the operator.
NVCV_ERROR_INVALID_IMAGE_FORMAT – Image format is invalid.
NVCV_SUCCESS – Operation executed successfully.
- NVCVStatus pvaRangeFFTSubmit(
- NVCVOperatorHandle handle,
- cupvaStream_t stream,
- NVCVTensorHandle const in,
- NVCVTensorHandle const win,
- NVCVTensorHandle out,
Submits the RangeFFT operator to a cuPVA stream.
- Parameters:
handle – [in] Handle to the operator.
Must not be NULL.
stream – [in] Handle to a valid cuPVA stream.
in – [in] Input tensor handle.
win – [in] Window tensor handle.
out – [out] Output tensor handle.
- Return values:
NVCV_ERROR_INVALID_ARGUMENT – Handle is null.
NVCV_ERROR_INTERNAL – Internal error in the operator, invalid types passed in.
NVCV_SUCCESS – Operation executed successfully.
- NVCVStatus pvaRangeFFTSubmit(
- NVCVOperatorHandle handle,
- cudaStream_t stream,
- NVCVTensorHandle const in,
- NVCVTensorHandle const win,
- NVCVTensorHandle out,
Submits the RangeFFT operator to a CUDA stream.
Note
CUDA stream support requirements:
PVA SDK 2.7.0 or later
Jetpack 7 or later
DriveOS 7 or later
x86 Emulator is not supported
- Parameters:
handle – [in] Handle to the operator.
stream – [in] Handle to a valid CUDA stream.
in – [in] Input tensor handle.
win – [in] Window tensor handle.
out – [out] Output tensor handle.
- Return values:
NVCV_ERROR_INVALID_ARGUMENT – Handle is null.
NVCV_ERROR_INTERNAL – Internal error in the operator, invalid types passed in.
NVCV_SUCCESS – Operation executed successfully.