ULA SUM and Difference

The input signal is in the form of a matrix, the columns of which correspond to the channels. The rows correspond to the signal samples.

Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, UInt8, UInt16, UInt32, UInt64

Support for complex numbers: Yes

Initializing the input signal in the form of a non-negative real column vector.

Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, UInt8, UInt16, UInt32, UInt64

The arrival directions of the signals returned as a non-negative real column vector. The angle of the arrival direction is the angle between the direction of the source and the axis of the antenna array. The angle measurement units are degrees. The length of the vector is equal to the number of signals specified by the Number of signals parameter. If it is not possible to identify peaks in the spectrum, the result is returned NaN.

Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, UInt8, UInt16, UInt32, UInt64

The propagation velocity of the signal in the form of a real positive scalar.

The default value is the speed of light.: 299792458 m/s.

The units of measurement are m/s.

You can use the physconst function to specify the speed of light.

Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, UInt8, UInt16, UInt32, UInt64

The operating frequency of the system, set as a positive scalar.

The units of measurement are Hz.

Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, UInt8, UInt16, UInt32, UInt64, Bool

The number of bits used to quantize the phase shift component of the beamformer or the weights of the control vector. Specify the number of bits as a non-negative integer.

A value of zero means that quantization is not performed.

Method for setting the array specified as Array (no subarrays).

The type of antenna or microphone.

Available values:

The operating frequency range of the antenna or microphone in the form of a vector is a 1 by 2 row in the form [LowerBound,UpperBound]. Outside of this frequency range, the element has no response.

The units of frequency measurement are Hz.

Dependencies

To use this parameter, set the Element type parameter to Isotropic Antenna, Cosine Antenna or Omni Microphone.

Select this option to mute the echo of the element.

When retracting, the echo at all azimuth angles exceeding ± 90° from the wide side is set to zero. The wide side is defined as the azimuth angle of 0° and the elevation angle of 0°.

Dependencies

To use this parameter, set the Element type parameter to Isotropic Antenna or Omni Microphone.

The direction of the zero radiation axis.

Dependencies

To use this parameter, set the Element type parameter to Cardioid Antenna.

Exponents of the cosine model in the form of a non-negative scalar or a 1 by 2 real matrix of non-negative values. If the Exponent of cosine pattern is a 1 by 2 vector, then the first element is the exponent in the azimuth direction, and the second is in the location direction. With a scalar value of this parameter, the cosines in the azimuthal and elevation directions are raised to one power.

Dependencies

To use this parameter, set the Element type parameter to Cosine Antenna.

The range of operating frequencies of the antenna or microphone in the form of a vector row 1 on increasing actual values. The element has no response beyond the frequency range specified by the minimum and maximum elements of this vector. The units of frequency measurement are Hz.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna or Custom Microphone. To set the responses at these frequencies, use the Frequency responses (dB) parameter.

The frequency response of the user antenna or user microphone for the frequencies defined by the parameter Operating frequency vector (Hz). The dimensions of the Frequency responses (dB) vector must match the dimensions of the vector specified by the Operating frequency vector (Hz) parameter.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna or Custom Microphone.

The coordinate system of the directional pattern of the user antenna is specified az-el or phi-theta. When specifying az-el The Azimuth angles (deg) and Elevation angles (deg) parameters are used to set the coordinates of the directional pattern points. When specifying a parameter phi-theta The Phi angle (deg) and Theta angles (deg) parameters are used to set the coordinates of the part points.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna.

Azimuth angles, which will be used to calculate the radiation pattern of the antenna in the form of a vector row 1 on P. P must be greater than 2. The azimuth angles must be in the range of −180° up to 180° inclusive and arranged in strictly ascending order.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna, and for the parameter Input Pattern Coordinate System — az-el.

The angles of the location at which it is necessary to calculate the radiation pattern in the form of a vector 1 on . it must be more than 2. The units of measurement of angles are degrees. The angles of the seat should be in the range of −90° to 90° inclusive and arranged in strictly ascending order.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna, and for the parameter Input Pattern Coordinate System — az-el.

The value of the radiation pattern of the combined antenna, set as a matrix on or an array on on .

Value is equal to the value of the Operating frequency vector (Hz) parameter.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna.

The phase of the radiation pattern of the combined antenna, set as a matrix on or an array on on .

Value is equal to the value of the Operating frequency vector (Hz) parameter.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna.

If the parameter value is enabled then the radiation pattern of the antenna element is rotated to align with the normal of the array. If turned off, then the drawing of the element does not rotate.

If the antenna is used in an antenna array and the parameter Input Pattern Coordinate System is set to az-el If this flag is selected, the radiation pattern rotates so that the x-axis of the element’s coordinate system points along the normal of the array. If there is no selection, the element template is used without rotation.

If the antenna is used in an antenna array and the parameter Input Pattern Coordinate System is set to phi-theta If this flag is selected, the radiation pattern rotates so that the z axis of the element’s coordinate system points along the normal of the array.

Use this parameter together with the Array Normal parameter of the URA and UCA arrays.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna.

The angles of the radiation pattern solution in degrees.

Dependencies

To use this parameter, set the Element type parameter to Gaussian Antenna or Sinc Antenna.

The response frequencies of a microphone with a polar pattern, set as a real scalar or a real vector, are lines 1 on . The response frequencies are in the frequency range specified by the parameter Operating frequency vector (Hz).

Dependencies

To use this parameter, set the Element type parameter to Custom Microphone.

Set the response angles of the polar radiation pattern as a vector 1 on . The angles are measured from the central axis of the microphone and should be in the range of −180° to 180° inclusive.

Dependencies

To use this parameter, set the Element type parameter to Custom Microphone.

Set the value of the polar radiation pattern of the user microphone as a real vector-row 1 on , where — the number of frequencies specified in the parameter Polar pattern frequencies (Hz). The string represents the value of the polar radiation pattern measured at the corresponding frequency specified in the Polar pattern frequencies (Hz). The radiation pattern is measured in the azimuthal plane. In the azimuthal plane, the elevation angle is 0°, and the central axis is 0° in azimuth and 0° in elevation. The polar radiation pattern is symmetrical around the central axis. Based on the polar diagram, it is possible to construct a microphone directional pattern in three-dimensional space.

Dependencies

To use this parameter, set the Element type parameter to Custom Microphone.

The number of array elements for ULA arrays, set as an integer greater than or equal to 2.

The distance between adjacent elements of the antenna array is set as a positive scalar.

The units of measurement are m.

The direction of the ULA linear axis, defined as y, x or z. All elements of the ULA array are evenly distributed along this axis in the local coordinate system of the array.

Dependencies

To enable this parameter, set the Geometry parameter to ULA. This option is also enabled when the block supports only ULA arrays.

Complex weighting coefficients for antenna array elements, given as a complex scalar, a complex string vector on or a complex column vector on , where It represents the number of antenna array elements. Weighting factors are applied to each antenna element of the antenna array and change the amplitude and phase of the received data.