Angle Estimator

The propagation velocity of a signal as a real positive scalar.

Carrier frequency of the signal specified as a real positive scalar.

The maximum number of angular position estimates for the report, specified as a positive integer. If the number of requested estimates is greater than the number of elements on the DetIdx input port, the remainder is filled with NaN.

The antenna array assignment method specified as Array (no subarrays).

Type of antenna array element.

Available values:

The array of operating frequencies of the antenna array element in the form of a vector-string on of increasing real values. The element has no response outside the frequency range given by the minimum and maximum elements of this vector.

Dependencies

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

The frequency response of custom antenna array elements is determined by the Operating frequency vector (Hz) parameters. The dimensions of the Frequency responses (dB) vector must coincide with the dimensions of the vector defined by the Operating frequency vector (Hz) parameters.

Dependencies

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

Selection of the coordinate system of the directional pattern of the user antenna array is indicated by az-el or phi-theta. When az-el is selected, the parameters Azimuth angles (deg) and Elevations angles (deg) are used to specify the coordinates of the directional pattern points. When the phi-theta parameter is specified, the Phi angle (deg) and Theta angles (deg) parameters are used to specify the coordinates of the pattern points.

Dependencies

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

The values of azimuth angles, by which the radiation pattern of the antenna array will be calculated as a vector-string to . must be greater than . The values of azimuth angles must lie in the range from −180° to 180° inclusive and be in strictly ascending order.

Dependencies

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

The values of the angles of place at which it is necessary to calculate the radiation pattern as a vector to . must be greater than . The elevation angles must lie in the range from −90° up to and including 90° and be in strictly ascending order.

Dependencies

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

Angular coordinates Phi of the points in which the radiation pattern of the antenna array is set. Set as a real vector-string to . must be greater than .

The values of angles Phi must lie in the range from 0° to 360° and be arranged in a strictly increasing order.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna and the Input Pattern Coordinate System parameter to phi-theta.

Theta angular coordinates of the points where the radiation pattern of the antenna array is set. Set as a real vector-string to . must be greater than .

Values of `Theta' angles must lie in the range from 0° to 180° and be arranged in strictly increasing order.

Dependencies

To use this parameter, set the Element type parameter to Custom Antenna and the Input Pattern Coordinate System parameter to phi-theta.

The magnitude of the antenna array directivity pattern specified as a matrix to or an array to to .

The value of is equal to the value of the Operating frequency vector (Hz) parameters.

Dependencies

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

The phase radiation pattern of the combined antenna array specified as a matrix to or an array to to .

The value of is equal to the value of the Operating frequency vector (Hz) parameters.

Dependencies

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

Select this check box to rotate the antenna array element pattern to align with the antenna array normal.

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

Dependencies

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

The frequency values for the polar pattern are specified as a real scalar or real vector string at . The frequencies lie within the frequency range specified by the Operating frequency vector (Hz) parameters.

Dependencies

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

Angle values for the polar pattern of the acoustic element are specified as a vector . The angles are measured from the centre axis of the acoustic element and must be in the range from −180° to 180° inclusive.

Dependencies

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

Set the polar pattern magnitude of a custom acoustic element as a real vector string to , where is the number of frequencies specified in the Polar pattern frequencies (Hz) parameters. The string represents the polar pattern magnitude measured at the corresponding frequency specified in Polar pattern frequencies (Hz). The directional pattern is measured in the azimuth plane. In the azimuth plane, the angle of place is 0° and the centre axis is 0° in azimuth and 0° in elevation. The polar pattern is symmetrical around the centre axis. Based on the polar diagram, it is possible to construct the directivity diagram of an acoustic element in three-dimensional space.

Dependencies

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

The operating frequency range of the antenna array element as a string vector at as [LowerBound, UpperBound]. The element has no response outside this frequency range.

Dependencies

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

The beam width of the antenna array radiation pattern.

Dependencies

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

Axis direction along the null radiation.

Dependencies

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

The exponent of cosine pattern exponent in the form of a non-negative scalar or a real matrix to of non-negative values. If the Exponent of cosine pattern is a vector to , the first element is the exponent of the exponent degree in the azimuth direction and the second element in the angle-of-place direction. When the parameters are scalar, the cosines in the azimuth and elevation directions are raised to the same degree.

Dependencies

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

Select this check box to exclude radiation to the rear hemisphere. The response from the rear hemisphere at all azimuth angles outside the ±90° interval from the broadside is set to zero. The broadside is defined as an azimuth angle of 0° and a location angle of 0°.

Dependencies

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

Number of ULA antenna array elements specified as an integer greater than or equal to .

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

Change of the directivity diagram of the antenna array elements. Defined as a complex scalar or complex vector to , where is the number of antenna array elements.

The coefficients that change the directivity pattern, also called element weights, multiply the responses of the antenna array elements. The coefficients change both the amplitude and phase of the response to reduce side lobes or the direction of the main response axis.

If the value of the Taper parameters is a scalar, the same weight is applied to each element. If Taper is a vector, then the weight from the vector is applied to the corresponding antenna array element. The number of weights must correspond to the number of antenna array elements.