CN100412555C - Antenna power measuring method and apparatus - Google Patents
Antenna power measuring method and apparatus Download PDFInfo
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- CN100412555C CN100412555C CNB2005100835401A CN200510083540A CN100412555C CN 100412555 C CN100412555 C CN 100412555C CN B2005100835401 A CNB2005100835401 A CN B2005100835401A CN 200510083540 A CN200510083540 A CN 200510083540A CN 100412555 C CN100412555 C CN 100412555C
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Abstract
The present invention provides antenna power measuring method and device. It contains setting at least one metered end point in distance of tested aerial, firstly making antenna transmit-receive electric wave signal, then measuring said aerial transmit receive electric wave signal first power value, then measuring the metered end point, thereby obtaining second power value of said metered end point coupling said aerial electric wave signal, calculating said first power value with second power value coupling ratio value, for determining said tested aerial transmitting/receiving power. The present invention also can survey built-in aerial transmitting/receiving power without increasing other testing coupling device or connector etc component.
Description
Technical field
The invention provides a kind of antenna power measuring method and device thereof, refer to especially around an antenna to be measured, be provided with at least one end points to be measured in a certain distance, by measuring the be coupled power of this antenna to be measured of this end points to be measured, to determine the transmitting-receiving power of this antenna.
Background technology
Antenna is being played the part of the role of signal transmitting and receiving in radio communication product, so wireless electronic product must be measured for the transmitting-receiving power of high-frequency signal at wireless electronic product in the process of producing.Along with the development of electronic product microminiaturization technology, the kind of antenna and structure also produce to be adjusted at any time, also just change to some extent along with wireless electronic product and antenna for the measuring method of antenna power certainly.
See also Fig. 1, Fig. 1 is the example schematic of well-known antenna power measurement method.Wireless communication electronic device 10 has an external antenna 11, and the structure of external antenna 11 has the related of certainty with length and electric wave transmitting-receiving power.In order to measure the transmitting-receiving performance number of antenna 11 smoothly, antenna 11 is inserted in the coupling proving installation 12, and then measure the electric wave power that coupling proving installation 12 coupled antennas 11 are received and dispatched, and in surveying instrument 13, demonstrate measured performance number by a surveying instrument 13.
See also Fig. 2, Fig. 2 is another example schematic of well-known antenna power measurement method.Antenna 21 is built in the electronic installation 20, and a chip 23 is arranged in the electronic installation 20, and chip 23 contains a power amplifier 24.Antenna 21 electrically connects power amplifier 23, and establishes a connector 22 between the two.25 electric connection connectors 22 of surveying instrument are to measure the transmitting-receiving power of antenna 21.But this kind mode except the cost of setting up connector 22, arrangement space that also can consume electrons device 20.
So the inventor sums up the shortcoming of above-mentioned known technology, a kind of antenna power measuring method and device thereof of the reasonable in design and traditional thinking of effective change proposed.
Summary of the invention
In view of this, the present invention can solve the problem that antenna is built-in and reduce cost, and satisfies the transmitting-receiving power of energy measurement to antenna.In order to reach above-mentioned purpose, the invention provides a kind of antenna power measuring method and device thereof, especially refer to around an antenna to be measured, be provided with at least one end points to be measured in a certain distance, at first record the transmitting-receiving power of antenna to be measured, relend by measuring the be coupled power of this antenna to be measured of this end points to be measured, to calculate the coupling ratio of this end points to be measured, just can utilize this coupling rate value afterwards to determine the transmitting-receiving power of this antenna to be measured.
The invention provides a kind of antenna power measuring method, comprise the following steps: to make the antenna receiving-sending electric wave signal; Measure electric wave signal first performance number that this antenna is received and dispatched; The end points to be measured of a certain distance of this antenna of measuring distance, thus record be coupled electric wave signal second performance number of this antenna of this end points to be measured; Calculate the coupling rate value between this first performance number and this second performance number; Measure electric wave signal three performance number of this end points to be measured with this antenna that obtains being coupled; And the product of this electric wave signal the 3rd performance number of calculating and this coupling rate value, to obtain the transmitting-receiving power of this antenna.
Above-mentioned antenna power measuring method, wherein this antenna is located on the circuit board, and includes power amplification unit on this circuit board, and this antenna electrically connects this power amplification unit.
Above-mentioned antenna power measuring method, wherein this antenna is a built-in aerial.
Above-mentioned antenna power measuring method, wherein measure the step of electric wave signal first performance number that this antenna receives and dispatches, for measuring the tie point between this antenna and this power amplification unit, by measuring electric wave signal first performance number that this tie point is received and dispatched to obtain this antenna.
Above-mentioned antenna power measuring method, wherein the step of the end points to be measured of a certain distance of this antenna of measuring distance is touched this end points to be measured to record this electric wave signal second performance number for utilizing probe points.
The invention provides a kind of device of measuring antenna power, comprising: power amplification unit; Antenna electrically connects this power amplification unit, in order to receive and dispatch electric wave signal and to obtain electric wave signal first performance number; And at least one end points to be measured, be located in a certain distance on every side of this antenna, wherein electrically connect this end points to be measured, to obtain electric wave signal second performance number of this antenna of coupling by measurement mechanism.
The device of above-mentioned measurement antenna power, wherein this measurement mechanism is a circuit board.
The device of above-mentioned measurement antenna power, wherein this antenna is a built-in aerial.
The device of above-mentioned measurement antenna power, the distance between this end points to be measured and this antenna wherein, for can measuring the distance of antenna receiving-sending power, and the electric wave signal of can this antenna of interfere with or compromise not received and dispatched.
For illustrating further feature of the present invention and technology contents, see also detailed description of the present invention and accompanying drawing, yet appended graphic only be used to provide reference and explanation are not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the example schematic of well-known antenna power measurement method;
Fig. 2 is another example schematic of well-known antenna power measurement method;
Fig. 3 is the schematic appearance of antenna power measurement mechanism of the present invention;
Fig. 4 is the schematic flow sheet of antenna power measuring method of the present invention.
The number in the figure explanation:
Fig. 1 (known):
Surveying instrument 13
Fig. 2 (known):
Surveying instrument 25
Fig. 3:
Surveying instrument 35
Second terminal A 2 to be measured
The 3rd terminal A 3 to be measured
Tie point B
Embodiment
See also Fig. 3, Fig. 3 is the schematic appearance of antenna power measurement mechanism of the present invention.The electronic installation 30 that the present invention measures antenna power can be a circuit board on using, comprising: a power amplification unit 33, an antenna 31 and at least one terminal A to be measured 1, A2 or A3.Antenna 31 is a built-in aerial, electrically connects power amplification unit 33 with the transmitting-receiving electric wave signal, and power amplification unit 33 is integrated in the chip 32 usually.Terminal A 1 to be measured, A2 or A3 will be located at the distance that can measure antenna 31 transmitting-receiving power, and the electric wave signal of can interfere with or compromise not received and dispatched to antenna 31, wherein electrically put and touch terminal A 1 to be measured, A2 or A3, in a surveying instrument 35, obtain an electric wave signal performance number of coupled antenna 31 then by a probe 34.Below will introduce the step of measuring antenna 31 power work by electronic installation 30.
See also Fig. 4 and cooperate Fig. 3, Fig. 4 is the schematic flow sheet of antenna power measuring method of the present invention.The measuring method of antenna power of the present invention comprises the following steps: at first to make the antenna 31 transmitting-receiving electric wave signals (step 400) in the electronic installation 30; Then measure electric wave signal first performance number (step 402) that antenna 31 is received and dispatched, wherein measuring 33 of antenna 31 and power amplification units has a tie point B, by measuring electric wave signal first performance number that tie point B is received and dispatched to obtain antenna 31; And then one of measuring distance antenna 31 a certain distances terminal A 1 to be measured, A2 or A3 (step 404) touch terminal A 1 to be measured, A2 or A3 to record electric wave signal second performance number of terminal A 1 to be measured, A2 or A3 coupled antenna 31 by 34 of probes; Calculate the coupling rate value (step 406) between this first performance number and this second performance number.
Please cooperate Fig. 4.After obtaining this coupling rate value of this end points to be measured, to obtain these antenna 31 power later on and need only carry out the following step: measure terminal A 1 to be measured, A2 or A3 electric wave signal the 3rd performance number (step 408) to obtain a coupled antenna 31; Calculate the product of this electric wave signal the 3rd performance number and this coupling rate value at last, just can obtain antenna 31 transmitting-receiving power (step 410).
The present invention is a kind of antenna power measuring method and device thereof, one antenna 31 to be measured is being provided with at least one terminal A to be measured 1, A2 or A3 in a certain distance around it, record the transmitting-receiving power of antenna 31 to be measured earlier, relend by measuring the be coupled power of antenna 31 to be measured of terminal A 1 to be measured, A2 or A3, to calculate the coupling ratio of terminal A 1 to be measured, A2 or A3, just can utilize this coupling rate value afterwards to determine the transmitting-receiving power of antenna 31 to be measured.Although antenna 31 is built in the various electronic installations, the present invention also energy measurement to the transmitting-receiving power of built-in aerial 31, and in device to be measured, do not need to increase other test coupling device or element such as connector, can reach and measure built-in aerial and the effect that reduces cost.
Yet the above, only be the detailed description and the accompanying drawing of preferable possible embodiments of the present invention, be not in order to limit claim of the present invention, therefore so long as the equivalent alternate embodiment that utilization instructions of the present invention and accompanying drawing content are done, all in like manner be contained in the scope of the present invention, any people who is familiar with this technology is in the field of the invention, and variation that can obtain easily or modification all can be encompassed in following the application's the claim scope.
Claims (9)
1. an antenna power measuring method comprises the following steps:
Make the antenna receiving-sending electric wave signal;
Measure electric wave signal first performance number that this antenna is received and dispatched;
The end points to be measured of a certain distance of this antenna of measuring distance, thus record be coupled electric wave signal second performance number of this antenna of this end points to be measured;
Calculate the coupling rate value between this first performance number and this second performance number;
Measure electric wave signal three performance number of this end points to be measured with this antenna that obtains being coupled; And
Calculate the product of this electric wave signal the 3rd performance number and this coupling rate value, to obtain the transmitting-receiving power of this antenna.
2. antenna power measuring method as claimed in claim 1, wherein this antenna is located on the circuit board, and includes power amplification unit on this circuit board, and this antenna electrically connects this power amplification unit.
3. antenna power measuring method as claimed in claim 1, wherein this antenna is a built-in aerial.
4. antenna power measuring method as claimed in claim 2, wherein measure the step of electric wave signal first performance number that this antenna receives and dispatches, for measuring the tie point between this antenna and this power amplification unit, by measuring electric wave signal first performance number that this tie point is received and dispatched to obtain this antenna.
5. antenna power measuring method as claimed in claim 1, wherein the step of the end points to be measured of a certain distance of this antenna of measuring distance is touched this end points to be measured to record this electric wave signal second performance number for utilizing probe points.
6. device of measuring antenna power comprises:
Power amplification unit;
Antenna electrically connects this power amplification unit, in order to receive and dispatch electric wave signal and to obtain electric wave signal first performance number; And
At least one end points to be measured is located in a certain distance on every side of this antenna, wherein electrically connects this end points to be measured by measurement mechanism, to obtain electric wave signal second performance number of this antenna of coupling.
7. the device of measurement antenna power as claimed in claim 6, wherein this measurement mechanism is a circuit board.
8. the device of measurement antenna power as claimed in claim 6, wherein this antenna is a built-in aerial.
9. the device of measurement antenna power as claimed in claim 6, the distance between this end points to be measured and this antenna wherein, for can measuring the distance of antenna receiving-sending power, and the electric wave signal of can this antenna of interfere with or compromise not received and dispatched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100835401A CN100412555C (en) | 2005-07-08 | 2005-07-08 | Antenna power measuring method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100835401A CN100412555C (en) | 2005-07-08 | 2005-07-08 | Antenna power measuring method and apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN1892236A CN1892236A (en) | 2007-01-10 |
| CN100412555C true CN100412555C (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100835401A Expired - Fee Related CN100412555C (en) | 2005-07-08 | 2005-07-08 | Antenna power measuring method and apparatus |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101802625B (en) * | 2007-09-28 | 2012-08-08 | 安立股份有限公司 | Radiated power measuring method, coupler for radiate power measurement, and radiated power measuring device |
| CN109541329A (en) * | 2018-09-29 | 2019-03-29 | 上海与德科技有限公司 | A kind of antenna test method and device, antenna measurement equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184939A (en) * | 1996-12-10 | 1998-06-17 | 中国科学院长春地理研究所 | Real-time calibration microwave radiometer |
| JP2003075489A (en) * | 2001-09-07 | 2003-03-12 | Communication Research Laboratory | Antenna power measurement method in radio equipment and electric wave used for the method |
| US20040116084A1 (en) * | 2002-12-12 | 2004-06-17 | Ward Dennis Paul | Active antenna system with fault detection |
| JP2004347439A (en) * | 2003-05-22 | 2004-12-09 | National Institute Of Information & Communication Technology | Antenna power estimation method of walkie-talkie |
-
2005
- 2005-07-08 CN CNB2005100835401A patent/CN100412555C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184939A (en) * | 1996-12-10 | 1998-06-17 | 中国科学院长春地理研究所 | Real-time calibration microwave radiometer |
| JP2003075489A (en) * | 2001-09-07 | 2003-03-12 | Communication Research Laboratory | Antenna power measurement method in radio equipment and electric wave used for the method |
| US20040116084A1 (en) * | 2002-12-12 | 2004-06-17 | Ward Dennis Paul | Active antenna system with fault detection |
| JP2004347439A (en) * | 2003-05-22 | 2004-12-09 | National Institute Of Information & Communication Technology | Antenna power estimation method of walkie-talkie |
Non-Patent Citations (2)
| Title |
|---|
| 微波天线参数的简便测量法. 彭国江.西部广播电视，第1期. 1994 |
| 微波天线参数的简便测量法. 彭国江.西部广播电视，第1期. 1994 * |
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| Publication number | Publication date |
|---|---|
| CN1892236A (en) | 2007-01-10 |
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