KR101523223B1 - Apparatus of Detecting Radiated Spurious Emission of Electric Device and Method Thereof - Google Patents

Abstract

An apparatus for measuring an electromagnetic wave of an electronic apparatus and a control method thereof are disclosed. An electromagnetic wave measuring apparatus of the present electronic apparatus is provided with a supporting portion for supporting the attachment and detachment of an electronic device, a rotating portion for rotating the electronic device in the horizontal direction by the rotating shaft of the electronic device attached to the supporting portion, A vertical spectrum analyzer for analyzing electromagnetic waves of vertical polarization components among the electromagnetic waves received by the antenna assembly, and a horizontal spectrum analyzer for analyzing electromagnetic waves of horizontal polarization components among the electromagnetic waves received by the antenna assembly .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and method for measuring unwanted electromagnetic waves in an electronic apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for measuring unwanted electromagnetic waves in an electronic apparatus and a method thereof.

As electronic devices are digitized and speeded up, the currents circulating in the circuitry of electronic components of electronic devices have become more and more likely to cause more noise and electromagnetic waves.

Among these electronic devices, particularly, a wireless communication device that performs a wireless communication function radiates unnecessary electromagnetic waves other than a used electromagnetic wave for performing a wireless communication function such as a call, a message transmission / reception, a wireless Internet, navigation, do.

Electromagnetic noise or unwanted electromagnetic waves generated in such an electronic device may act as an electromagnetic interference (EMI) to an external device.

On the other hand, an electronic device can resist electromagnetic wave emission of an external device according to Electro Magnetic Susceptibility (EMS) implemented in electronic parts.

Regulation of electromagnetic wave or electromagnetic wave resistance generated in such electronic equipment has been strengthened, and various electromagnetic test systems for measuring whether the electronic apparatus meets the regulations are being proposed.

However, in order to measure the electromagnetic wave of the electronic device, the existing equipment for measuring the unwanted electromagnetic wave of the electronic device has to repeatedly perform the electromagnetic wave measurement test by replacing the measurable antenna for each frequency band to be measured.

Accordingly, the existing equipment for measuring the unwanted electromagnetic waves of the electronic device has a problem that the time required for the inspection of one radio communication equipment is wasted, the expensive measurement test equipment can not be utilized effectively, There has been a problem in that an error occurs due to the resetting.

Accordingly, it is an object of the present invention to provide an electromagnetic wave measuring device which does not require the replacement of the antenna for the measurement of the spurious electromagnetic wave and can shorten the time required for the measurement and inspection.

According to an aspect of the present invention, there is provided an apparatus for measuring an electromagnetic wave of an electronic device, comprising: a support for supporting detachment of the electronic device; A rotating unit that rotates the electronic device in a horizontal direction with the rotating shaft of the electronic device attached to the supporting unit; An antenna unit including a first antenna for receiving electromagnetic waves in a first frequency band of the rotating electronic equipment and a second antenna for receiving electromagnetic waves in a second frequency band of the electronic equipment; An analysis unit for analyzing the electromagnetic waves received by the antenna unit and outputting measurement values; A switch unit for applying an input from any one of the first antenna and the second antenna to the analysis unit; And a control unit controlling the switch unit to control the electromagnetic waves received by the antenna unit to be analyzed by the analysis unit.

The first antenna and the second antenna of the antenna unit may be separated from each other with a predetermined separation angle from a center line thereof.

The separation angle of the first antenna and the first antenna may be 22.5 degrees.

The separation angle of the first antenna may be 22.5 degrees and the separation angle of the second antenna may be 17.5 degrees.

The first antenna may receive electromagnetic waves of a relatively low frequency band and the second antenna may receive electromagnetic waves of a relatively high frequency band.

The first antenna may receive electromagnetic waves of 30 MHz to 2.5 GHz, and the second antenna may receive electromagnetic waves of 2.5 GHz or more.

The control unit may calculate an offset corresponding to the separation angle of each of the first antenna and the second antenna with respect to each of the electromagnetic wave measurement values received by the first antenna and the second antenna and output by the analysis unit .

The control unit may combine the measurement values output from the analysis unit according to at least one criterion to create at least one data list.

The electromagnetic wave measuring apparatus may further include a display for displaying at least one graph generated based on at least one data list created by the control unit.

The display may also include at least two screens of at least two of a screen for controlling the position of the electronic device, a screen for setting control for the analyzer, and a screen for displaying a graph generated based on the data list, Can be displayed.

When the present invention is implemented, the electromagnetic wave of the wireless communication equipment can be measured within a short time, and it is possible to reduce the time and cost required for the development and verification in the wireless communication equipment development step or the post-verification step requiring repeated inspection .

Further, according to the electromagnetic wave measuring apparatus and the control method thereof according to the present invention, it is possible to measure and analyze frequencies using the same system without separately changing antennas in order to measure low frequency and high frequency components of electromagnetic waves radiated from the electronic device to be tested Accordingly, it is possible to reduce the error of the measurement value due to the time required for the resetting of the system and measurement errors caused by the installation and measurement errors separately, and to efficiently create data lists and graphs according to data collection and various standards.

1 is a configuration diagram of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
FIG. 2 is a detailed diagram of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
3 is a diagram illustrating an antenna structure according to an embodiment of the present invention in more detail.
4 is a block diagram showing a part of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
5 is a view for explaining an example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
6 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
7 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
8 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
9 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
10 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
11 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
12 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.
13 is a flowchart illustrating a method of controlling an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

1 is a view showing an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

1, the electromagnetic wave measuring apparatus 100 includes a chamber 105, a support 110 for supporting the electronic device 10, a rotation unit 120, an antenna unit 130, a switch 140, (160).

The chamber 105 is a space in which an electromagnetic wave test is performed, and can have a function of blocking external electromagnetic waves. In addition, it may have a function of absorbing internal radio waves. Depending on the size of the chamber 105 and the characteristics of the radio wave absorbers installed on the walls or the like, the blocking performance of the external radio waves of the chamber 105 or the absorption performance of the internal radio waves may be changed. The chamber 105 may include a support 110 for attaching the electronic device 10, a rotation unit 120, and an antenna assembly 130 therein.

The electronic apparatus 10 is an electronic apparatus that generates unwanted electromagnetic waves and is subjected to the test. In the practice of the present invention, there is no limitation on the kind of the electronic device 10, but a wireless communication device will be exemplified below.

The support 110 may support the wireless communication equipment 10. The supporting part 110 may rotate with the electronic device 10 in the horizontal direction in accordance with the rotation of the rotation part 120 by engaging with the rotation part 120. On the other hand, the surface of the support part 110 and the rotation part 120 may be made of a material that does not reflect electromagnetic waves.

An electromagnetic wave emitted by the wireless communication equipment 10 rotating according to the rotation of the rotation unit 120 is received by the antenna unit 130.

The antenna unit 130 is provided for detecting unwanted electromagnetic waves emitted from the wireless communication equipment 10 and is used to receive electromagnetic waves of vertical and horizontal components of low frequency and electromagnetic waves of vertical and horizontal components of high frequency, 131, a second antenna 132, and a third antenna.

The analysis unit 160 may analyze the electromagnetic waves of the low and high frequencies received by the antenna unit 130 and output the measurement values.

Meanwhile, the switch unit 140 analyzes the electromagnetic waves of the low-frequency vertical and horizontal components received by the first antenna 131 and the second antenna, or analyzes the electromagnetic waves received by the third antenna 133 The first antenna 131 and the second antenna 132 and the analysis unit 160 or the third antenna 133 and the analysis unit 160 are connected to each other so that the electromagnetic waves of the vertical and horizontal components of high frequency can be analyzed. 1 antenna 131 and the second antenna 132 or the third antenna 133, as shown in FIG.

2 is a diagram illustrating an apparatus for measuring electromagnetic waves of a wireless communication device according to an embodiment of the present invention.

2, an apparatus 100 for measuring electromagnetic waves of a wireless communication device 10 includes a support 110, a rotation unit 120, an antenna unit 130, a switch unit 140, an analysis unit 160, A control unit 170 and a display 180. [

The supporting part 110 is a device for attaching and supporting the wireless communication equipment 10, and the upper and lower supporting parts 111 and 112 may be combined to form a single supporting part.

The upper support 111 may be fixed to the distal end of the upper support 111 so that the upper support 111 is rotatable with respect to the lower support 112. [ (Not shown) is attached to the upper support 111 so as to be rotatable, and the radio communication equipment 10 fixed to the fixing part (not shown) is rotatable in the vertical direction . ≪ / RTI >

The supporting part 110 is coupled to the rotation part 120 and can rotate together when the rotation part rotates. The rotation axis A of the rotation unit 120 is realized so that the center of the wireless communication equipment 10 fixed to the support unit 110 coincides with the center of the rotation unit 120 so that the rotation unit 120 can horizontally rotate the wireless communication equipment 10 So that the wireless communication device 10 rotates horizontally about its own axis.

An electromagnetic wave emitted by the wireless communication equipment 10 rotating according to the rotation of the rotation unit 120 is received by the antenna unit 130.

The antenna unit 130 is for detecting unwanted electromagnetic waves radiated from the wireless communication equipment 10. The antenna unit 130 includes a first antenna 131 and a second antenna 132 capable of receiving electromagnetic waves having a low frequency of 30 MHz to 2.5 GHz, 132 and a third antenna 132 capable of receiving electromagnetic waves of a high frequency exceeding 2.5 GHz, for example, so as to be able to receive both low-frequency and high-frequency electromagnetic waves.

The first antenna 131 and the second antenna 132 may be configured to receive, for example, antennas having the same structure so as to receive the electromagnetic waves of the vertical polarization component of the low frequency and the electromagnetic waves of the horizontal polarization component, respectively, One can be installed in a direction perpendicular to each other in the horizontal direction.

The third antenna 133 may be implemented, for example, by combining at least four or more quad antenna modules so as to receive both the electromagnetic waves of the high frequency vertical polarization component and the dual polarization components of the electromagnetic wave such as the horizontal polarization component.

The analysis unit 160 may be implemented, for example, as a spectrum analyzer, and may be configured to transmit electromagnetic waves of vertical and horizontal polarization components of low frequency and vertical and horizontal polarization components of high frequency emitted from the wireless communication device 10 For example, the electromagnetic waves of the vertical and horizontal polarization components of low frequency can be simultaneously analyzed or the electromagnetic waves of the vertical and horizontal polarization components of high frequency can be simultaneously analyzed.

The switch unit 140 selectively controls the first antenna 131 and the second antenna 132 under the control of the controller 170 so that the analyzer 160 can analyze electromagnetic waves of low and high frequencies, Or the third antenna 133 to the analysis unit 160. [0050]

Meanwhile, the electromagnetic wave measuring apparatus 100 according to the present invention may further include the preamplifier unit 150 shown in FIG. The preamplifier unit 150 amplifies the electromagnetic waves received by the first antenna 131, the second antenna 132 and the third antenna 133 of the antenna unit 130 and transmits the amplified electromagnetic waves to the analysis unit 160 have. The preamplifier unit 150 is disposed at a rear end of the switch unit 140. However, the preamplifier unit 150 is not limited thereto. For example, the preamplifier unit 150 may be installed at a front end of the switch unit 140 have.

The electromagnetic waves of the low frequency and the high frequency received by the first antenna 131, the second antenna 132 and the third antenna 133 of the antenna unit 130 are selectively switched by the switch unit 140 Amplified by the preamplifier unit 150 and analyzed by the spectrum analyzer 160, respectively.

The controller 170 controls each component of the electromagnetic wave measuring device 100 to measure electromagnetic waves radiated from the wireless communication device 10 and analyze and display the measured values. The control unit 170 can perform position control according to the rotation angle of the support unit 110 and the rotation unit 120 and can analyze the electromagnetic wave measurement value according to the rotation of the support unit 110 and the rotation unit 120, And generates a graph to be displayed on the display 180.

The position of the wireless communication device 10 fixed to the support part 110 and the rotation part 120 can be specified using a rotation angle and an azimuth angle.

FIG. 3 is a diagram illustrating in more detail the configurations of the first antenna 131, the second antenna 132, and the third antenna 133 of the antenna unit 130 shown in FIG. 1 and FIG.

The antenna 130 is for detecting unwanted electromagnetic waves emitted from the wireless communication equipment 10 and includes at least three antennas of a first antenna 131, a second antenna 132 and a third antenna 133 It is possible to receive both the electromagnetic waves of the vertical and horizontal polarization components of the low frequency and the electromagnetic waves of the vertical and horizontal polarization components of the high frequency.

In configuring the first antenna 131, the second antenna 132, and the third antenna 133 simultaneously in the chamber 105, it is necessary to physically separate the three antennas and to set a range The separation angle phi between the three antennas is 22.5 degrees, for example, from the third antenna 133 positioned on the center line C, and the total separation angle 2? Between the two antennas is 45 degrees .

Also, the separation angles of the respective antennas may be designed to be different from each other. For example, the third antenna 133 may be positioned at a center line, the first antenna 131 may be spaced apart from the centerline by a separation angle of 22.5 degrees, and the second antenna 132 may be spaced apart from the center line by a distance May be spaced apart by an angle of separation of 17.5 degrees from the centerline in the opposite direction.

Also, the distance h between each of the antennas 131, 132, and 133 and the wireless communication equipment 10 can be implemented by, for example, 3 meters.

 As the first antenna 131 and the second antenna 132 are separated from the center line at a predetermined separation angle, the analysis unit 160 for the electromagnetic waves received by the first antenna 131 and the second antenna 132 In the analysis, it is necessary to correct the separation angle to the measurement value such as the measurement position (Azimuth, Roll) of the electromagnetic wave.

The correction for the separation angle may be performed by the analysis unit 160 or may be performed by the control unit 170. [ A positive offset corresponding to a separation angle, e.g., 22.5 degrees, spaced from the centerline in the case of the first antenna 131 may be provided for the measured value, and in the case of the second antenna 132, A negative offset corresponding to a separation angle, for example 22.5 degrees or 17.5 degrees, which is spaced away from the antenna 131, may be provided for the measurement value.

4 is a block diagram showing a part of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

4, the real-time electromagnetic wave measurement value output from the analysis unit 160 is input to the control unit 170. The control unit 170 accumulates the input real-time analysis data to generate a data list, A three-dimensional analysis graph can be generated and displayed on the display 180. Also, the controller 170 may refer to the analysis data to correct the position measurement value of the analysis unit 160. [

The analysis unit 160 analyzes the received radio communication equipment 10 by the first antenna 131 and the second antenna 132 or the third antenna 133 according to the rotation angle of the radio communication equipment 10 to be tested by the rotation unit 120 The measurement value of the electromagnetic wave of the wireless communication device 10 can be determined by measuring the intensity of the electromagnetic wave according to the measurement position of the electromagnetic wave.

For this, the analysis unit 160 may include a first analyzer 161 and a second analyzer 162. For example, the first analyzer 161 of the analyzer 160 may selectively receive radio waves from the first antenna 131 or the third antenna 133 by the switch unit 140. For example, the second analyzer 162 of the analysis unit 160 may selectively receive radio waves from the second antenna 132 or the third antenna 133 by the switch unit 140. That is, for example, while the first analyzer 161 of the analyzer 160 receives and analyzes electromagnetic waves of a low frequency of, for example, a vertical component from the first antenna 131, The analyzer 162 can receive and analyze electromagnetic waves of low frequency of, for example, horizontal component from the second antenna 132. For example, while the first analyzer 161 of the analyzer 160 receives and analyzes electromagnetic waves of a high frequency of, for example, a vertical component from the third antenna 133, The analyzer 162 can receive and analyze electromagnetic waves having a high frequency of, for example, a horizontal component from the third antenna 132.

The first and second analyzers 161 and 162 of the analyzer 160 may measure the reception intensity of the electromagnetic wave radiated from the wireless communication device 10 to be tested at a predetermined time interval, And determine the vertical polarization and horizontal polarization component measurement values of the electromagnetic wave of the wireless communication device 10, respectively.

The control unit 170 receives the measured values of the electromagnetic waves determined by the spectrum analyzer 160 and accumulates and edits the measured values of the radiated electromagnetic waves according to the rotation of the wireless communication equipment 10 in real time to create a data list according to the purpose, Based analysis graph can be generated.

Accordingly, the control unit 170 extracts the maximum value of the measured electromagnetic wave value for each section according to the rotation angle or the azimuth angle to generate a separate data list or generates a graph based on the extracted data list or extracts a maximum value of the frequency for each time interval A separate data list can be created or a graph can be generated based on the data list.

Also, the controller 170 may separately generate a data list corresponding to each of the low-frequency electromagnetic wave and high-frequency electromagnetic wave measurement values to generate a separate graph.

Hereinafter, a method of controlling an electromagnetic wave measuring apparatus according to an embodiment of the present invention will be described with reference to FIGS.

5 is a view for explaining an example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

The control unit 170 can perform position control according to the rotation angle of the support unit 110 and the rotation unit 120 and can also control the rotation angle and the azimuth angle of the wireless communication equipment 10 fixed to the support unit 110 and the rotation unit 120. [ The analyzer 160 analyzes the electromagnetic wave measurement values of the analyzer 160, generates various data according to the purpose, generates a graph, and displays the data on the display 180.

5, a right upper end 510 on the screen displayed on the display 180 includes a display 180 as a screen for controlling the position of the wireless communication device 10 fixed to the support part 110 and the rotation part 120, It is possible to precisely adjust the positional conditions of the support part 110 and the rotation part 120 so that the electromagnetic wave measurement values of the low frequency and high frequency vertical and horizontal polarization components can be accurately calculated according to the rotation angle and the azimuth angle.

The lower right hand side 520 on the screen displayed on the display 180 is connected to the first and second analyzers (not shown) of the analyzer 160 for electromagnetic measurement of low frequency and high frequency vertical and horizontal polarization components, 161 and 162, respectively.

On the other hand, on the screen, the left upper center portion 550 calculates, for example, the measured values of the vertical and horizontal polarized components of the low frequency and the high frequency as frequencies, and calculates the rotation angle of the wireless communication equipment 10 according to the rotation of the rotation unit 120, The change of the frequency level according to the azimuth angle can be visually displayed as a 2D or 3D graph. At this time, a graph based on real-time data or a graph according to a measured value calculated at a predetermined interval at a predetermined interval can be displayed using the icons 530 and 540 at the upper left of the screen.

Also, a data list can be displayed in the lower left 580 of the graph, and an entire data list or a data list of a specific range can be selected and displayed using, for example, icons 560 and 570 at the upper left of the data list .

6 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

Referring to FIG. 6, a graph 550 displayed in the upper left center of FIG. 5 includes a pseudo value list (Suspected List), a vertical polarization component measurement value (Vertical), a horizontal polarization component measurement value (Horizontal) A graph based on various data such as a maximum value (H / V Max) and a limit value (Limit) can be displayed simultaneously or independently. The first graph 551 includes a pseudo value list (Suspected List), a horizontal polarization component measurement value (Horizontal), a vertical and horizontal polarization component maximum value (H / V Max), and a limit value (Limit) And the second graph 552 is an example of a graph based on data of the vertical and horizontal polarization component values H (H), the vertical polarization component measurement value (Vertical), and the vertical and horizontal polarization component maximum values (H / V Max) and a limit value (Limit). The second graph 553 includes a pseudo value list (Suspected List), a vertical polarization component measurement value (Vertical), a horizontal polarization component measurement value (Horizontal), a vertical and horizontal polarization component maximum value (H / V Max) (Limit) data.

Each of these graphs may be displayed as a single graph, but may be simultaneously displayed at different locations on the display 180 for comparison. In addition, an input unit (not shown) may be further provided to mark a specific part or section so that a part or a specific section of the graph can be enlarged and displayed.

7 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

Referring to FIG. 7, in the lower left data list 580 of FIG. 5, a measurement data list, for example, a whole data list 581 of frequency values according to the rotation angle and the azimuth angle may be displayed.

In the data list 580, any data list (for example, the horizontal polarization component data list, 582) of the data list of the electromagnetic wave measurement values of vertical or horizontal polarization component may be displayed.

In the data list 580, a pseudo-value list (Suspected List) 583 may be displayed for electromagnetic wave measurement values of vertical and horizontal polarization components.

Each of the above-described lists 581, 582 and 583 may be selectively displayed by the selection boxes on the icons 560 and 570 of FIG. 5 or on the specific list 581, or may be displayed vertically or horizontally, And may be displayed in the data list 580 at the same time.

8 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

Referring to FIG. 8, graphs of various data on the measured values of the vertical and horizontal polarization components can be simultaneously displayed on the left and right sides. The left graph 555 represents, for example, a range loss of a vertical polarization component electromagnetic wave, and the right graph 556 represents, for example, a range loss of a horizontal polarization component electromagnetic wave. In addition to the range loss, various test data related to electromagnetic wave measurement can be measured for each path or band to be measured and displayed as a graph.

9 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

Referring to FIG. 9, the left graph 555 and the right graph 556 of FIG. 8 can be displayed on two screens or one at the same time. In addition, various data on the electromagnetic wave measurement values of vertical and horizontal polarization components can be simultaneously Can be displayed on the graph 557 of FIG. In this case, different graphs based on different data may be simultaneously displayed on one or two or more screens for comparison, or may be simultaneously displayed on different windows overlapping each other.

10 is a view for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

Referring to FIG. 10, the analysis graph 558 represents theta slice view, which is data by horizontal direction angle. The frequency level measurement value data is digitized for each angle, and the measurement value according to the angle is converted into a two- . At this time, it is possible to display the individual frequency graph and the maximum value level for all the frequencies, and also to display the nested data graph.

It is also possible to extract and display a two-dimensional graph for each position (Azimuth, Roll), frequency, vertical or horizontal component from the superimposed data graph.

On the other hand, in addition to the graphs shown in the figure, various data can be graphically displayed by using a pie slice view (vertical direction angle data).

11 and 12 are views for explaining another example of a display of an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

Referring to FIG. 11, the analysis graphs 559A and 559B display a three-dimensional graph by position (Azimuth, Roll), frequency, vertical or horizontal components. Analytical graphs 559A and 559B may be implemented, for example, to represent graphs for vertical component electromagnetic measurements on left 559A and graphs for horizontal component electromagnetic measurements on right 559B simultaneously.

Referring to FIG. 12, it is also possible to extract and display a two-dimensional cut graph in the horizontal or vertical direction of the graph according to the position (Azimuth, Roll) from the three-dimensional analysis graph 559B.

13 is a flowchart illustrating a method of controlling an electromagnetic wave measuring apparatus according to an embodiment of the present invention.

13, according to the control method of an electromagnetic wave measuring apparatus, measurement of a vertical polarization component of a low frequency (low frequency band) or a high frequency (high frequency band) electromagnetic wave or a measurement of a horizontal polarization component or a simultaneous measurement of a vertical polarization component and a horizontal polarization component Can be set in advance (S1310).

The control unit 170 controls the support unit 110 and the rotation unit 120 according to the set measurement mode to control azimuth and roll such as the rotation angle and the azimuth angle of the wireless communication equipment 10, And the electromagnetic waves are measured by operating each component of the electromagnetic wave (S1320).

The controller 170 controls the first antenna, the second antenna and the third antennas 131, 132, and 133 of the antenna unit 130 to detect electromagnetic waves. The first antenna, the second antenna, The electromagnetic waves detected by the selected antenna among the electromagnetic waves detected by the first and second analyzers 131, 132, and 133 are switched through the switch unit 140 and analyzed through the first and second analyzers 161 and 162, respectively, Output.

On the other hand, when analyzing the high frequency band and the low frequency band separately according to the selected mode, the controller 170 checks the selected mode (S1330). When the low frequency band analysis mode is selected, (S1341) and controls the switch unit 140 to input the electromagnetic wave of the vertical polarization component of the low frequency band detected by the first antenna 131 to the first analyzer 161 So that the first analyzer 161 analyzes the electromagnetic waves of the vertical polarization component in the low frequency band (S1351). At the same time, the controller 170 causes the second antenna 132 to detect the electromagnetic wave having the horizontal polarization component of the low frequency band (S1342) and controls the switch unit 140 to control the low frequency The second analyzer 162 causes the second analyzer 162 to analyze the electromagnetic wave of the horizontal polarization component of the low frequency band (S1352).

Meanwhile, when the high frequency band analysis mode is selected, the controller 170 causes the third antenna 133 to detect the electromagnetic wave of the vertical polarization component of the high frequency band (S1343) The first analyzer 161 analyzes the electromagnetic wave of the vertical polarization component of the high frequency band by causing the first analyzer 161 to input the electromagnetic wave of the vertical polarization component of the low frequency band detected by the third antenna 133 to the first analyzer 161 (S1353). At the same time, electromagnetic waves having a horizontal polarization component of a high frequency band are detected by the third antenna 133 (S1344), and the switch unit 140 is controlled so that the high frequency band The second analyzer 162 causes the analyzer 162 to analyze the electromagnetic wave of the horizontal polarization component of the high frequency band (S1354).

 The control unit 170 collects the analyzed measurement data at the same time through the first analyzer 161 and the second analyzer 162 of the analyzing unit 160 and analyzes the measured data at step S1360 and generates a data list according to various criteria Or generates and displays a graph on the display 180 (S1370).

Therefore, according to the electromagnetic wave measuring apparatus and the control method thereof according to the present invention, it is possible to measure the electromagnetic wave of the wireless communication equipment within a short time, and it is required to perform the development and verification in the wireless communication equipment development step or post- Time and cost saving.

Also, according to the electromagnetic wave measuring apparatus and the control method thereof according to the present invention, the vertical and horizontal polarized wave components of electromagnetic waves in the low and high frequency bands radiated from the electronic device to be tested can be simultaneously measured and analyzed. Therefore, the measurement time is shortened not only when the electromagnetic wave is separately measured by the frequency band or by the vertical and horizontal polarization components, but also by the measurement error caused by the measurement error generated separately. It is also effective in creating lists and creating graphs.

It is to be understood that the terms "comprises", "comprising", or "having" as used in the foregoing description mean that the constituent element can be implanted unless specifically stated to the contrary, But should be construed as further including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: electromagnetic wave measuring device 131, 132:
160: Analyzer 170:

Claims (18)

An apparatus for measuring an electromagnetic wave of an electronic apparatus,
A support for supporting the detachment of the electronic device;
A rotating unit that rotates the electronic device in a horizontal direction with the rotating shaft of the electronic device attached to the supporting unit;
A second antenna for receiving an electromagnetic wave of a horizontal polarization component of the low frequency band of the electronic device, and a second antenna for receiving the electromagnetic wave of a vertical polarization component of a low frequency band of 2.5 GHz or less of the rotating electronic device, An antenna unit including a third antenna for receiving electromagnetic waves of vertical and horizontal polarization components in a high frequency band exceeding GHz;
An analysis unit for analyzing the electromagnetic waves received by the antenna unit and outputting measurement values; And
And a switch unit for applying an input from at least one of the first antenna, the second antenna and the third antenna to the analysis unit,
The first antenna and the second antenna are spaced from each other with a predetermined separation angle from the center line thereof,
And a control unit for giving an offset corresponding to the separation angle of each of the first antenna and the second antenna to each of the electromagnetic wave measurement values received by the first antenna and the second antenna and output by the analysis unit Further comprising: an electromagnetic wave measuring device for measuring the electromagnetic wave of the electronic device.
delete delete The method according to claim 1,
Wherein the analyzer includes a first analyzer for analyzing electromagnetic waves of a first component selected by the switch unit among the electromagnetic waves received by the antenna unit and a second analyzer for analyzing electromagnetic waves of a second component selected by the switch unit And an electromagnetic wave measuring device for measuring an electromagnetic wave of the electronic device.
5. The method of claim 4,
Wherein the switch unit applies an electromagnetic wave of a vertical polarization component of the low-frequency band received by the first antenna among the electromagnetic waves received by the antenna unit to the first analyzer and transmits the electromagnetic wave of the low- And applies the electromagnetic wave of the horizontal polarization component of the second electromagnetic wave to the second analyzer.
5. The method of claim 4,
Wherein the switch unit applies an electromagnetic wave of a vertical polarization component of the high frequency band received by the third antenna among the electromagnetic waves received by the antenna unit to the first analyzer and outputs an electromagnetic wave of a horizontal polarization component of the high frequency band to the first analyzer, And a second analyzer for measuring the intensity of the electromagnetic waves.
delete The method according to claim 1,
Wherein the control unit compiles measurement values output from the analysis unit according to at least one criterion to generate at least one data list.
9. The method of claim 8,
Further comprising: a display for displaying at least one graph generated based on at least one data list created by the control unit.
10. The method of claim 9,
The display is characterized by simultaneously displaying at least two screens of a screen for controlling the position of the electronic equipment, a screen for setting control for the analyzer, and a screen for displaying a graph generated based on the data list Of the electromagnetic wave.
10. The method of claim 9,
Wherein the display displays a plurality of graphs generated based on the plurality of data lists simultaneously on at least one screen.
delete delete delete delete delete delete delete

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