Steering Vector

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

The default value is the speed of light.

The units of measurement are m/s.

Operating frequency source: Input port or Property.

If the parameter is set to Input port, then the operating frequency is set via the input port FREQ.

If the parameter is set to Property, then the operating frequency is set using the parameter Operating frequency (Hz).

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

The units of measurement are Hz.

Select this option to display the conjugate control vector. Otherwise, the control vector will not be conjugate.

The number of bits used to quantize the phase shift component of the beamforming vector or control vector weights. Specify the number of bits as a non-negative integer. A value of zero means that quantization is not performed.

The method of setting the antenna array.

Available values:

The type of antenna or microphone.

Available values:

The range of operating frequencies of the antenna or microphone in the form of a vector row 1 on . Outside of this frequency range, the element has no response.

The units of frequency measurement are Hz.

Dependencies

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

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

Dependencies

To use this parameter, set for the parameter Element type meaning 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 to set the coordinates of the points of the directional pattern, the following parameters are used Azimuth angles (deg) and Elevation angles (deg). When specifying a parameter phi-theta to set the coordinates of the points of the directional pattern, the following parameters are used Phi angles (deg) and Theta angles (deg).

Dependencies

To use this parameter, set for the parameter Element type meaning 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 for the parameter Element type meaning 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 for the parameter Element type meaning Custom Antenna, and for the parameter Input pattern coordinate system — az-el.

The angular coordinates of the Phi points where the antenna radiation pattern is set. They are defined as a real vector string on . There should be more 2. The units of measurement of angles are degrees. The values of the Phi angles must be in the range of 0° before 360° and be arranged in strictly ascending order.

Dependencies

To use this parameter, set for the parameter Element type meaning Custom Antenna, and for the parameter Input pattern coordinate system — phi-theta.

The angular coordinates of the Theta points where the antenna radiation pattern is set. They are defined as a real vector string on . There should be more 2. The units of measurement of angles are degrees. The values of the Theta angles must be in the range of 0° before 180° and be arranged in strictly ascending order.

Dependencies

To use this parameter, set for the parameter Element type meaning Custom Antenna, and for the parameter Input pattern coordinate system — phi-theta.

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 parameter Operating frequency vector (Hz).

Dependencies

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

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

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

Dependencies

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

If this option is selected, the antenna element’s radiation pattern rotates to align with the antenna array. If the checkbox is unchecked, the directional pattern of the element does not rotate.

If the antenna is used in the antenna array and the parameter Input pattern coordinate system it matters 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 to the antenna array. If there is no choice, the directional pattern of the element without rotation is used.

If the antenna is used in the antenna array and the parameter Input pattern coordinate system it matters phi-theta, setting this flag rotates the radiation pattern so that the axis The coordinate system of the element was pointed along the normal to the antenna array.

Use this parameter together with the parameter Array normal antenna arrays URA and UCA.

Dependencies

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

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

Dependencies

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

Set the response angles of the polar radiation pattern as a vector of 1 to . 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 for the parameter Element type meaning 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 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 for the parameter Element type meaning Custom Microphone.

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 for the parameter Element type meaning Isotropic Antenna, Cosine Antenna or Omni Microphone.

The angles of the radiation pattern solution in degrees.

Dependencies

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

The direction of the zero radiation axis.

Dependencies

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

The exponents of the cosine radiation pattern are in the form of a non-negative scalar or a 1 by 2 real matrix of non-negative values.

If Exponent of cosine pattern If the vector is 1 by 2, then the first element is an indicator in the direction of the azimuth, and the second is in the direction of the location. 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 for the parameter Element type meaning Cosine Antenna.

Select this option to mute the response of the element.

When the response is suppressed at all azimuth angles exceeding ± 90° from the wide side, the responses are 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 for the parameter Element type meaning Isotropic Antenna or Omni Microphone.

The geometry of the antenna array, defined as:

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

Dependencies

To use this parameter, set for the parameter Geometry meaning ULA or UCA.

The radius of the UCA antenna array, a positive scalar.

Dependencies

To use this parameter, set for the parameter Geometry meaning UCA.

The dimensions of the URA antenna array, specified as a positive integer or a vector of positive integers 1 by 2.

For URA, the antenna array elements are indexed from top to bottom in the leftmost column, and then move to the next columns from left to right. The figure shows an antenna array for which the parameter Array size it matters [3,2], that is, it has three rows and two columns.

Dependencies

To use this parameter, set for the parameter Geometry meaning URA.

The distance between adjacent elements of the ULA or URA lattices in the form of a positive scalar.

Dependencies

To use this parameter, set for the parameter Geometry meaning ULA or URA.

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

Dependencies

To use this parameter, set for the parameter Geometry meaning ULA.

A grid of URA element positions, defined as rectangular or triangular.

Dependencies

To use this parameter, set for the parameter Geometry meaning URA.

The direction of the antenna array normal, set as x, y or z.

The elements of the flat arrays lie in a plane orthogonal to the selected direction of the antenna array normal. The directions of the angular coordinates of the elements are directed along the direction of the antenna array normal.

Dependencies

To use this parameter, set for the parameter Geometry meaning URA or UCA.

The positions of the elements of the conformal antenna array, given as a matrix of real values 3 on , where — the number of elements in the conformal lattice. Each column of this matrix represents the position [x;y;z] of an element of the antenna array in the local coordinate system of the antenna array. The origin of the local coordinate system is (0,0,0).

The units of measurement are m.

Dependencies

To use this parameter, set for the parameter Geometry meaning Conformal array.

The direction of the normal vectors of the elements of the conformal antenna array, defined as a 2-by-1 column vector or a 2-by-1 matrix , where indicates the number of elements in the antenna array. For the matrix, each column sets the direction of the normal of the corresponding element in the form [azimuth;elevation] relative to the local coordinate system. In the local coordinate system, the positive axis is coincides with the direction of the normal to the conformal antenna array. If the parameter value is a 2-by-1 column vector, then the same pointing direction is used for all elements of the antenna array.

Parameters Element positions (m) and Element normals (deg) It can be used to represent any arrangement in which pairs of elements differ from each other by certain transformations. These transformations can include translation, azimuth rotation, and elevation rotation. However, transformations that require rotation relative to the normal direction cannot be used.

Dependencies

To use this parameter, set for the parameter Geometry meaning Conformal array.

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.