CN113114392A - Method and device for automatically testing sensitivity of broadband radio frequency system - Google Patents
Method and device for automatically testing sensitivity of broadband radio frequency system Download PDFInfo
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- CN113114392A CN113114392A CN202110306382.0A CN202110306382A CN113114392A CN 113114392 A CN113114392 A CN 113114392A CN 202110306382 A CN202110306382 A CN 202110306382A CN 113114392 A CN113114392 A CN 113114392A
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- radio frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method and a device for automatically testing the sensitivity of a broadband radio frequency system, wherein the method comprises the following steps: s1, the signal source outputs the radio frequency signal to the broadband radio frequency system; s2, the broadband radio frequency system receives the radio frequency signal from the signal source and processes the radio frequency signal, and sends the result data of the radio frequency signal to the computer serial port; and S3, the automatic test software on the computer analyzes the signal result reported by the broadband radio frequency system by reading the result data of the computer serial port. The invention can automatically complete the sensitivity test of all the set frequency points, greatly reduces the occupancy rate of resources and human resources, improves the test efficiency and saves manpower and material resources for large-scale production.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a method and a device for automatically testing the sensitivity of a broadband radio frequency system.
Background
Generally, the sensitivity test of a debugging person on a radio frequency receiving channel is completed in a manual test mode, the power of a signal source is gradually increased from the threshold of the system capable of identifying the signal through the signal source input system, the power value of the signal source increased to the moment that the system can identify the signal is regarded as the sensitivity of the system, the power of the signal source needs to be manually controlled in the process, each test frequency point needs to be manually set, the operation is complicated, extra equipment enables the working efficiency to be low, and the production efficiency is influenced.
Disclosure of Invention
The invention aims to provide a method and a device for automatically testing the sensitivity of a broadband radio frequency system, so as to solve the problem that the production efficiency is influenced by manually setting a testing frequency point.
The invention provides a method for automatically testing the sensitivity of a broadband radio frequency system, which comprises the following steps:
s1, the signal source outputs the radio frequency signal to the broadband radio frequency system;
s2, the broadband radio frequency system receives the radio frequency signal from the signal source and processes the radio frequency signal, and sends the result data of the radio frequency signal to the computer serial port;
and S3, the automatic test software on the computer analyzes the signal result reported by the broadband radio frequency system by reading the result data of the computer serial port.
Further, step S1 includes the following sub-steps:
s11, setting signal parameters of the signal source by automatic test software, wherein the signal parameters comprise frequency points, frequency point stepping, frequency point upper limit, output power and power incremental stepping;
s12, the automatic test software sends down signal parameters to the signal source and controls the output power to be minimum;
and S13, the automatic test software controls to open the power output switch of the signal source, and the radio frequency signal of the signal source is input into the broadband radio frequency system.
Further, in step S2, after receiving the radio frequency signal from the signal source, the broadband radio frequency system further determines whether the frequency point of the radio frequency signal is stable within the time range T, if so, step S3 is performed, otherwise, step S1 is returned, and the output power of the signal source is increased incrementally and stepwise according to the set power.
Further, step S3 includes the following steps:
s31, automatic test software compares whether the frequency point in the signal result reported by the broadband radio frequency system is consistent with the frequency point in the set signal parameter of the signal source, if so, the current signal source power reading is recorded, and the signal source power reading at the moment is the sensitivity of the current frequency point; otherwise, returning to the step S1, and increasing the output power of the signal source according to the set power increment step by step;
s32, when the automatic test software records a sensitivity through the step S31, the step S1 is returned, the automatic test software increases the frequency point step by step according to the set frequency point, and then the increased frequency point is subjected to sensitivity test through the steps S1-S3;
s33, judging whether the current frequency point reaches the set upper limit of the frequency point, if not, executing the step S32 repeatedly; if the upper limit of the frequency point is reached, the recorded signal source power readings corresponding to all the frequency points are the sensitivity of the current receiving channel of the broadband radio frequency system;
s34, sensitivity testing is carried out on all receiving channels of the broadband radio frequency system in sequence through the steps S1-S3, and the sensitivity of all receiving channels of the broadband radio frequency system is obtained.
Preferably, the power incremental step is 1 dBm.
The invention also provides a device for realizing the method for automatically testing the sensitivity of the broadband radio frequency system, which comprises the following steps: the system comprises a computer, a signal source and a broadband radio frequency system which are connected in pairs; and automatic test software is installed on the computer.
Preferably, the computer and the broadband radio frequency system are communicated by an RS232 serial port.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention can automatically complete the sensitivity test of all the set frequency points, greatly reduces the occupancy rate of resources and human resources, improves the test efficiency and saves manpower and material resources for large-scale production.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a structural diagram of an apparatus for automatically testing the sensitivity of a broadband radio frequency system according to an embodiment of the present invention.
FIG. 2 is an interface display diagram of the automatic test software according to the embodiment of the present invention.
Fig. 3 is a flowchart of a method for automatically testing the sensitivity of a broadband radio frequency system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides an apparatus for automatically testing the sensitivity of a wideband radio frequency system, the apparatus comprising: the system comprises a computer, a signal source and a broadband radio frequency system which are connected in pairs; automatic testing software is installed on the computer, and the interface of the automatic testing software is shown in figure 2. Preferably, the computer and the broadband radio frequency system are communicated by an RS232 serial port.
Based on the above device for automatically testing the sensitivity of the broadband radio frequency system, this embodiment implements a method for automatically testing the sensitivity of the broadband radio frequency system, as shown in fig. 3, the method is as follows:
s1, the signal source outputs the radio frequency signal to the broadband radio frequency system;
s2, the broadband radio frequency system receives the radio frequency signal from the signal source and processes the radio frequency signal, and sends the result data of the radio frequency signal to the computer serial port;
and S3, the automatic test software on the computer analyzes the signal result reported by the broadband radio frequency system by reading the result data of the computer serial port.
The method comprises the following specific steps:
(1) starting the test;
(2) opening automatic test software and electrifying a broadband radio frequency system;
(3) the automatic test software sets signal parameters of a signal source, including frequency points, frequency point stepping, frequency point upper limit, output power and power incremental stepping (preferably 1 dBm);
(4) the automatic test software issues signal parameters to a signal source and controls the output power to be minimum;
(5) the automatic test software controls to open a power output switch of the signal source and inputs the radio frequency signal of the signal source into the broadband radio frequency system;
(6) the broadband radio frequency system receives a radio frequency signal from a signal source, judges whether the frequency point of the radio frequency signal is stable within a time range T (such as 3 seconds), if so, continues to execute the step (7), otherwise, returns to the step (3), and increases the output power of the signal source in an incremental step mode according to the set power;
(7) the broadband radio frequency system sends the result data of the radio frequency signal processed by the broadband radio frequency system to a serial port of a computer;
(8) the automatic test software on the computer reads the result data of the serial port of the computer;
(9) the automatic test software compares whether the frequency point in the signal result reported by the broadband radio frequency system is consistent with the frequency point in the set signal parameter of the signal source, if so, the power reading of the current signal source is recorded, and the power reading of the signal source at the moment is the sensitivity of the current frequency point; otherwise, returning to the step (3), and increasing the output power of the signal source in an incremental step mode according to the set power;
(10) after the automatic test software records a sensitivity through the step (9), returning to the step (3) and enabling the automatic test software to increase the frequency point step by step according to the set frequency point, and then carrying out sensitivity test on the increased frequency point through the steps (3) to (9);
(11) judging whether the current frequency point reaches the set upper limit of the frequency point, if not, repeatedly executing the step (10); if the upper limit of the frequency point is reached, the recorded signal source power readings corresponding to all the frequency points are the sensitivity of the current receiving channel of the broadband radio frequency system;
(12) and (4) sequentially carrying out sensitivity test on all receiving channels of the broadband radio frequency system through the steps (3) to (11) to obtain the sensitivity of all receiving channels of the broadband radio frequency system.
According to the invention, the sensitivity test of all the set frequency points can be automatically completed, the resource occupancy rate and the human resource are greatly reduced, the test efficiency is improved, and the manpower and material resources are saved for large-scale production.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for automatically testing the sensitivity of a broadband radio frequency system is characterized by comprising the following steps:
s1, the signal source outputs the radio frequency signal to the broadband radio frequency system;
s2, the broadband radio frequency system receives the radio frequency signal from the signal source and processes the radio frequency signal, and sends the result data of the radio frequency signal to the computer serial port;
and S3, the automatic test software on the computer analyzes the signal result reported by the broadband radio frequency system by reading the result data of the computer serial port.
2. The method for automatically testing the sensitivity of a broadband radio frequency system according to claim 1, wherein the step S1 comprises the following sub-steps:
s11, setting signal parameters of the signal source by automatic test software, wherein the signal parameters comprise frequency points, frequency point stepping, frequency point upper limit, output power and power incremental stepping;
s12, the automatic test software sends down signal parameters to the signal source and controls the output power to be minimum;
and S13, the automatic test software controls to open the power output switch of the signal source, and the radio frequency signal of the signal source is input into the broadband radio frequency system.
3. The method and apparatus for automatically testing the sensitivity of the broadband radio frequency system according to claim 2, wherein in step S2, after the broadband radio frequency system receives the radio frequency signal from the signal source, it is further determined whether the frequency point of the radio frequency signal is stable within the time range T, if so, step S3 is performed, otherwise, step S1 is performed, and the output power of the signal source is increased incrementally and stepwise according to the set power.
4. The method for automatically testing the sensitivity of a broadband radio frequency system according to claim 2, wherein the step S3 comprises the steps of:
s31, automatic test software compares whether the frequency point in the signal result reported by the broadband radio frequency system is consistent with the frequency point in the set signal parameter of the signal source, if so, the current signal source power reading is recorded, and the signal source power reading at the moment is the sensitivity of the current frequency point; otherwise, returning to the step S1, and increasing the output power of the signal source according to the set power increment step by step;
s32, when the automatic test software records a sensitivity through the step S31, the step S1 is returned, the automatic test software increases the frequency point step by step according to the set frequency point, and then the increased frequency point is subjected to sensitivity test through the steps S1-S3;
s33, judging whether the current frequency point reaches the set upper limit of the frequency point, if not, executing the step S32 repeatedly; if the upper limit of the frequency point is reached, the recorded signal source power readings corresponding to all the frequency points are the sensitivity of the current receiving channel of the broadband radio frequency system;
s34, sensitivity testing is carried out on all receiving channels of the broadband radio frequency system in sequence through the steps S1-S3, and the sensitivity of all receiving channels of the broadband radio frequency system is obtained.
5. The method for automatic sensitivity testing of a wideband radio frequency system of claim 2 wherein the power incremental steps are 1 dBm.
6. An apparatus for implementing a method for automatic sensitivity testing of a broadband radio frequency system according to any of claims 1-5, characterized in that the apparatus comprises: the system comprises a computer, a signal source and a broadband radio frequency system which are connected in pairs; and automatic test software is installed on the computer.
7. The apparatus of claim 6, wherein the computer communicates with the broadband radio frequency system via an RS232 serial port.
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