CN116546661B - Frequency band intelligent control method and system for wireless microphone - Google Patents
Frequency band intelligent control method and system for wireless microphone Download PDFInfo
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- CN116546661B CN116546661B CN202310512474.3A CN202310512474A CN116546661B CN 116546661 B CN116546661 B CN 116546661B CN 202310512474 A CN202310512474 A CN 202310512474A CN 116546661 B CN116546661 B CN 116546661B
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- 230000004044 response Effects 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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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 discloses a frequency band intelligent control method and a system of a wireless microphone, and relates to the field of intelligent control, wherein the method comprises the following steps: transmitting a radio frequency channel searching signal based on a preset frequency through transmitting equipment; a monitoring unit in the receiving equipment monitors and generates a connection response signal; a connection unit in the receiving equipment locks a preset channel of the wireless microphone based on the connection response signal to form a microphone channel locking state; obtaining an output result through an intelligent control decision model; and acquiring a frequency band control scheme and performing frequency band control processing to obtain a frequency band control result. The problem that the universality and the use convenience of a wireless microphone are affected because a targeted equipment frequency band control scheme cannot be formed aiming at the microphone channel in the prior art is solved. The frequency band of corresponding receiving equipment is pertinently adjusted and controlled based on the preset frequency channel of the wireless microphone, so that the universal adaptability of the wireless microphone is effectively improved, and the technical effects of improving the use convenience and the universality of the wireless microphone are achieved.
Description
Technical Field
The invention relates to the field of intelligent control, in particular to a frequency band intelligent control method and system of a wireless microphone.
Background
The radio waves of various types are not limited by time periods and areas, can be freely spread in space, and conflict occurs if the use of the radio waves is not regulated and restrained, so that the use of the radio waves has a standard regulation internationally, namely, the working frequency range of the wireless microphone is 88 MHz-900 MHz, so that the influence among the radio waves of different frequency bands is minimized. Exemplary are very high frequency waves, ultra high frequency waves, etc. However, the frequency bands used in various countries and regions are different, for example, 640-690MHz is used in china, and 920-980MHz is used in korea. The use of different frequency channels needs to pass through the original paper of different types of frequency channels, so wireless microphone need with the equipment of its frequency channel looks adaptation just can use, therefore appear wireless microphone use inconvenient, can't adapt to the problem of multiclass equipment.
However, in the prior art, microphones of different channels in an area cannot be automatically identified and automatically connected, and meanwhile, a targeted equipment frequency band control scheme cannot be formed aiming at the microphone channels, so that the problem of wireless microphone universality and use convenience is solved.
Disclosure of Invention
The invention aims to provide a frequency band intelligent control method and system for a wireless microphone, which are used for solving the problems that microphones of different channels in an area cannot be automatically identified and automatically connected in the prior art, and meanwhile, a targeted equipment frequency band control scheme cannot be formed aiming at the microphone channels, so that the universality and the use convenience of the wireless microphone are affected.
In view of the above problems, the present invention provides a method and a system for intelligently controlling a frequency band of a wireless microphone.
In a first aspect, the present invention provides a method for intelligently controlling a frequency band of a wireless microphone, where the method is implemented by a system for intelligently controlling a frequency band of a wireless microphone, and the method includes: transmitting a radio frequency channel searching signal based on a preset frequency through transmitting equipment; a monitoring unit in the receiving equipment monitors the radio frequency channel searching signal to generate a connection response signal; a connection unit in the receiving equipment locks a preset channel of the wireless microphone based on the connection response signal to form a microphone channel locking state; in the microphone channel locking state, analyzing the preset channel through an intelligent control decision model to obtain an output result; and acquiring a frequency band control scheme in the output result, and performing frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result.
In a second aspect, the present invention further provides a system for intelligently controlling a frequency band of a wireless microphone, for executing the method for intelligently controlling a frequency band of a wireless microphone according to the first aspect, where the system includes: the signal transmitting module is used for transmitting a radio frequency channel searching signal based on a preset frequency by the transmitting equipment; the connection response module is used for monitoring the radio frequency channel searching signal by a monitoring unit in the receiving equipment to generate a connection response signal; the channel locking module is used for locking a preset channel of the wireless microphone based on the connection response signal by a connection unit in the receiving equipment to form a microphone channel locking state; the control decision module is used for analyzing the preset channel through the intelligent control decision model under the microphone channel locking state to obtain an output result; and the control execution module is used for acquiring a frequency band control scheme in the output result, and carrying out frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result.
One or more technical schemes provided by the invention have at least the following technical effects or advantages:
1. transmitting a radio frequency channel searching signal based on a preset frequency through transmitting equipment; a monitoring unit in the receiving equipment monitors the radio frequency channel searching signal to generate a connection response signal; a connection unit in the receiving equipment locks a preset channel of the wireless microphone based on the connection response signal to form a microphone channel locking state; in the microphone channel locking state, analyzing the preset channel through an intelligent control decision model to obtain an output result; and acquiring a frequency band control scheme in the output result, and performing frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result. The automatic matching connection target of the wireless microphone is achieved through the frequency band intelligent control system, the frequency band of corresponding receiving equipment is subjected to targeted adjustment control based on the preset frequency channel of the wireless microphone in matching connection, the universal suitability of the wireless microphone is effectively improved, and the technical effects of improving the use convenience and the universality of the wireless microphone are achieved.
2. The electromagnetic wave signals received by the receiving equipment are subjected to loss analysis by introducing a loss function, and target receiving signals are correspondingly obtained, so that the technical effects of improving the signal receiving integrity and accuracy of the receiving equipment are achieved.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent. It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the description below are only exemplary and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a method for intelligently controlling frequency bands of a wireless microphone according to the present invention;
fig. 2 is a schematic flow chart of taking the first output result as the output result in the method for intelligently controlling the frequency band of the wireless microphone;
fig. 3 is a schematic flow chart of combining the first output result and the second output result and using the first output result and the second output result as the output result in the method for intelligently controlling the frequency band of the wireless microphone according to the present invention;
FIG. 4 is a schematic flow chart of storing the first frequency band sequence into the intelligent control decision model in the frequency band intelligent control method of the wireless microphone;
FIG. 5 is a schematic flow chart of storing the second frequency band sequence into the intelligent control decision model in the frequency band intelligent control method of the wireless microphone;
fig. 6 is a schematic structural diagram of a frequency band intelligent control system of a wireless microphone according to the present invention.
Reference numerals illustrate:
the signal transmitting module 11 is connected with the response module 12, the channel locking module 13, the control decision module 14 and the control executing module 15.
Detailed Description
The invention provides the frequency band intelligent control method and the system for the wireless microphone, which solve the problems that microphones of different channels in an area cannot be automatically identified and automatically connected, and meanwhile, a targeted equipment frequency band control scheme cannot be formed aiming at the microphone channels, so that the universality and the use convenience of the wireless microphone are affected. The automatic matching connection target of the wireless microphone is achieved through the frequency band intelligent control system, the frequency band of corresponding receiving equipment is subjected to targeted adjustment control based on the preset frequency channel of the wireless microphone in matching connection, the universal suitability of the wireless microphone is effectively improved, and the technical effects of improving the use convenience and the universality of the wireless microphone are achieved.
In the following, the technical solutions of the present invention will be clearly and completely described with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention, and that the present invention is not limited by the exemplary embodiments described herein. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
Example 1
Referring to fig. 1, the invention provides a method for intelligently controlling a frequency band of a wireless microphone, wherein the method is applied to a system for intelligently controlling the frequency band of the wireless microphone, and specifically comprises the following steps:
step S100: the transmitting device transmits a radio frequency channel searching signal based on a preset frequency;
further, step S100 of the present invention includes:
step S110: and acquiring a starting instruction, and opening the power supply of the wireless microphone according to the starting instruction to obtain the preset channel.
Specifically, the method for intelligently controlling the frequency band of the wireless microphone is applied to an intelligent control system for the frequency band of the wireless microphone, the characteristic analysis can be carried out on the wireless microphone connected to the wireless microphone, the frequency band of a preset channel adapted to the wireless microphone connected to the wireless microphone is further determined, the adaptive control and adjustment are carried out on the receiving equipment, and finally the wireless microphone is used. The transmitting device is a signal transmitter when the wireless microphone is matched with the receiving device, and firstly, the transmitting device transmits a radio frequency channel searching signal based on a preset frequency. Wherein, the preset frequency refers to a frequency for the transmitting device to transmit a signal, which is set in advance by a related technician. The radio frequency channel searching signal is used for receiving equipment to search for matching, and provides a signal matching basis for the corresponding wireless microphone of subsequent matching locking. Before the transmitting device sends the radio frequency channel searching signal to carry out communication matching on the wireless microphone and the receiving device, a system firstly obtains a starting instruction and turns on the power supply of the wireless microphone according to the starting instruction.
Step S200: a monitoring unit in the receiving equipment monitors the radio frequency channel searching signal to generate a connection response signal;
step S300: the connection unit in the receiving equipment locks a preset channel of the wireless microphone based on the connection response signal to form a microphone channel locking state;
specifically, the receiving device is a signal receiving processing device for receiving the sound signal of the wireless microphone and performing a series of processes such as noise reduction, conversion, and enlargement. The receiving equipment comprises a monitoring unit and a connecting unit. The monitoring unit is used for automatically monitoring the radio frequency channel searching signal sent by the transmitting equipment and generating a corresponding connection response signal after monitoring the radio frequency channel searching signal. Next, the connection unit in the receiving apparatus locks a preset channel of the wireless microphone based on the connection response signal, and accordingly forms a microphone channel lock state. Through the mutual cooperation of the transmitting equipment and the receiving equipment, the technical aim of matching and connecting the wireless microphone with the receiving equipment is achieved.
Step S400: in the microphone channel locking state, analyzing the preset channel through an intelligent control decision model to obtain an output result;
further, as shown in fig. 2, step S400 of the present invention includes:
step S410: matching the working frequency range of the wireless microphone based on the preset channel;
step S420: determining an operational attribute of the wireless microphone based on the operating frequency range;
step S430: judging whether the job attribute is a preset job attribute or not;
further, as shown in fig. 3, step S430 of the present invention includes:
step S431: if not, obtaining the first output result through the first decision model in the intelligent control decision model, and obtaining a second output result through a second decision model in the intelligent control decision model;
step S432: and combining the first output result with the second output result and taking the first output result and the second output result as the output result.
Step S440: if yes, a first output result is obtained through a first decision model in the intelligent control decision model, and the first output result is used as the output result.
Further, step S440 of the present invention includes:
step S441: the intelligent control decision model is in communication connection with a plurality of product line dial switches and slide varistors;
step S442: the intelligent control decision model comprises the first decision model and the second decision model;
step S443: the first decision model is used for carrying out combined control on the plurality of product line dial switches, and the second decision model is used for carrying out sliding control on the sliding rheostat.
Further, as shown in fig. 4, the present invention further includes the following steps:
step S4441: combining the plurality of product line dial switches to obtain a plurality of combination modes, and sequentially analyzing the plurality of combination modes to obtain a plurality of combination frequency bands;
step S4442: acquiring a preset ordering scheme, and ordering the plurality of combined frequency bands based on the preset ordering scheme to obtain a first frequency band sequence;
step S4443: and storing the first frequency band sequence to the intelligent control decision model.
Further, as shown in fig. 5, the present invention further includes the following steps:
step S4451: acquiring a preset sliding step length;
step S4452: performing sliding control on the sliding rheostat based on the preset sliding step length to obtain a plurality of sliding control results;
step S4453: the sliding control results are respectively mapped into a plurality of sliding frequency bands;
step S4454: sorting the plurality of sliding frequency bands based on the preset sorting scheme to obtain a second frequency band sequence;
step S4455: and storing the second frequency band sequence to the intelligent control decision model.
Specifically, the intelligent control decision model is in communication connection with a plurality of product line dial switches and slide varistors, and the first decision model and the second decision model are included in the intelligent control decision model. The first decision model is used for carrying out combined control on the plurality of product line dial switches, the second decision model is used for carrying out sliding control on the sliding varistors, and the adjustment and control on the frequency band of the receiving equipment can be realized through the combined control on the plurality of product line dial switches or the sliding control on the sliding varistors.
Specifically, the product line dial switches are combined first to obtain multiple combination modes correspondingly, and then frequency bands corresponding to the receiving equipment are analyzed in sequence in each combination mode, so that multiple combination frequency bands corresponding to the multiple combination modes are obtained. And finally, sequentially sorting the plurality of combined frequency bands according to the sequence from large to small of the frequency ranges of the corresponding frequency bands in each combined mode to obtain the first frequency band sequence, namely, sorting the plurality of combined frequency bands based on the preset sorting scheme to obtain the first frequency band sequence. Further, a preset sliding step length is obtained, sliding control of different unit amounts is performed on the sliding rheostat based on the preset sliding step length, and a plurality of sliding control results are correspondingly obtained. The preset sliding step length is the sliding step length of the sliding rheostat unit, and different numbers of the sliding step lengths correspond to different frequency band ranges. That is, the plurality of sliding control results map a plurality of sliding frequency bands, respectively. And finally, sorting the sliding frequency bands from large to small based on the preset sorting scheme, and correspondingly obtaining a second frequency band sequence. And finally, storing the first frequency band sequence and the second frequency band sequence into the intelligent control decision model in advance.
And then, analyzing the frequency range of the preset channel of the wireless microphone through an intelligent control decision model in the microphone channel locking state, and correspondingly obtaining a comment control method for performing targeted setting on the receiving equipment based on the frequency range of the wireless microphone, namely determining the output result. Specifically, the operating frequency range of the wireless microphone is first matched based on the preset frequency channel, and then the operating attribute of the wireless microphone is determined based on the operating frequency range. Exemplary are very high frequency waves, ultra high frequency waves, etc. Next, it is determined whether the job attribute is a preset job attribute, wherein the preset job attribute is ultrahigh frequency (Ultra High Frequency, abbreviated as UHF). When the working frequency range of the wireless microphone belongs to the ultra-high frequency range, a first decision model in the intelligent control decision model is called to analyze the working frequency range of the wireless microphone to obtain a first output result, and the first output result is used as the output result. However, when the working frequency range of the wireless microphone does not belong to the ultra-high frequency range, the first output result is obtained through the first decision model in the intelligent control decision model, the second output result is obtained through the second decision model in the intelligent control decision model, and finally the first output result and the second output result are combined to be the output result.
Step S500: and acquiring a frequency band control scheme in the output result, and performing frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result.
Specifically, according to a frequency band control scheme in the output result of the intelligent control decision model, performing frequency band control processing on the receiving equipment, and obtaining a frequency band control result through corresponding processing. The frequency band control result refers to a frequency band of receiving equipment adapted to the wireless microphone.
Further, the present invention further includes step S600:
step S610: receiving the transmitting waves sent by the transmitting antenna in the transmitting equipment by the receiving antenna in the receiving equipment to obtain electromagnetic waves;
step S620: preprocessing the electromagnetic wave to obtain a receiving signal;
step S630: and introducing a preset loss function to perform loss analysis on the received signal to obtain a target received signal.
Step S631: the calculation formula of the preset loss function is as follows:
ε＝ε 1 +ε 2 +ε 3 +ε 4
wherein L (x, x ') denotes the predetermined loss function between the received signal and the target received signal, x' denotes the received signal, x denotes the target received signal, ε denotes a variable adjustment coefficient, wherein ε 1 Refers to the distance adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 2 Means the antenna direction adjustment coefficient, epsilon, of the receiving antenna and the transmitting antenna 3 Means the antenna height adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 4 Refers to the radiation frequency adjustment coefficients of the receiving antenna and the transmitting antenna.
Specifically, after a receiving antenna in the receiving apparatus receives a transmission wave emitted from a transmitting antenna in the transmitting apparatus and obtains an electromagnetic wave correspondingly, the electromagnetic wave is subjected to preprocessing such as denoising, enhancement, and the like, thereby generating the received signal. Further, in order to improve accuracy and reliability of the received signal of the receiving device, a preset loss function is introduced to perform loss analysis on the received signal, for example, signal loss caused by propagation medium influence, and accordingly, a target received signal is obtained. The calculation formula of the preset loss function is as follows:
L(x,x′)＝∑|εx′-x|
ε＝ε 1 +ε 2 +ε 3 +ε 4
wherein L (x, x ') denotes the predetermined loss function between the received signal and the target received signal, x' denotes the received signal, x denotes the target received signal, ε denotes a variable adjustment coefficient, wherein ε 1 Refers to the distance adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 2 Means the antenna direction adjustment coefficient, epsilon, of the receiving antenna and the transmitting antenna 3 Means the antenna height adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 4 Refers to the radiation frequency adjustment coefficients of the receiving antenna and the transmitting antenna. The electromagnetic wave signal received by the receiving equipment is subjected to loss analysis by introducing a loss function, so that a target receiving signal is obtained, and the technical effect of improving the signal receiving integrity and accuracy is achieved.
In summary, the method for intelligently controlling the frequency band of the wireless microphone provided by the invention has the following technical effects:
1. transmitting a radio frequency channel searching signal based on a preset frequency through transmitting equipment; a monitoring unit in the receiving equipment monitors the radio frequency channel searching signal to generate a connection response signal; a connection unit in the receiving equipment locks a preset channel of the wireless microphone based on the connection response signal to form a microphone channel locking state; in the microphone channel locking state, analyzing the preset channel through an intelligent control decision model to obtain an output result; and acquiring a frequency band control scheme in the output result, and performing frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result. The automatic matching connection target of the wireless microphone is achieved through the frequency band intelligent control system, the frequency band of corresponding receiving equipment is subjected to targeted adjustment control based on the preset frequency channel of the wireless microphone in matching connection, the universal suitability of the wireless microphone is effectively improved, and the technical effects of improving the use convenience and the universality of the wireless microphone are achieved.
2. The electromagnetic wave signals received by the receiving equipment are subjected to loss analysis by introducing a loss function, and target receiving signals are correspondingly obtained, so that the technical effects of improving the signal receiving integrity and accuracy of the receiving equipment are achieved.
Example two
Based on the same inventive concept as the method for intelligently controlling the frequency band of the wireless microphone in the foregoing embodiment, the invention also provides a system for intelligently controlling the frequency band of the wireless microphone, referring to fig. 6, the system comprises:
a signal transmitting module 11, configured to transmit a radio frequency channel searching signal based on a preset frequency by the transmitting device;
a connection response module 12, configured to monitor the radio frequency channel search signal by using a monitoring unit in the receiving device, and generate a connection response signal;
a channel locking module 13, configured to lock a preset channel of the wireless microphone based on the connection response signal by a connection unit in the receiving device, so as to form a microphone channel locking state;
a control decision module 14, configured to analyze the preset channel through an intelligent control decision model in the microphone channel locking state, so as to obtain an output result;
and the control execution module 15 is used for acquiring a frequency band control scheme in the output result, and performing frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result.
Further, the signal transmitting module 11 in the system is further configured to:
and acquiring a starting instruction, and opening the power supply of the wireless microphone according to the starting instruction to obtain the preset channel.
Further, the control decision module 14 in the system is further configured to:
matching the working frequency range of the wireless microphone based on the preset channel;
determining an operational attribute of the wireless microphone based on the operating frequency range;
judging whether the job attribute is a preset job attribute or not;
if yes, a first output result is obtained through a first decision model in the intelligent control decision model, and the first output result is used as the output result.
Further, the control decision module 14 in the system is further configured to:
if not, obtaining the first output result through the first decision model in the intelligent control decision model, and obtaining a second output result through a second decision model in the intelligent control decision model;
and combining the first output result with the second output result and taking the first output result and the second output result as the output result.
Further, the control decision module 14 in the system is further configured to:
the intelligent control decision model is in communication connection with a plurality of product line dial switches and slide varistors;
the intelligent control decision model comprises the first decision model and the second decision model;
the first decision model is used for carrying out combined control on the plurality of product line dial switches, and the second decision model is used for carrying out sliding control on the sliding rheostat.
Further, the control decision module 14 in the system is further configured to:
combining the plurality of product line dial switches to obtain a plurality of combination modes, and sequentially analyzing the plurality of combination modes to obtain a plurality of combination frequency bands;
acquiring a preset ordering scheme, and ordering the plurality of combined frequency bands based on the preset ordering scheme to obtain a first frequency band sequence;
and storing the first frequency band sequence to the intelligent control decision model.
Further, the control decision module 14 in the system is further configured to:
acquiring a preset sliding step length;
performing sliding control on the sliding rheostat based on the preset sliding step length to obtain a plurality of sliding control results;
the sliding control results are respectively mapped into a plurality of sliding frequency bands;
sorting the plurality of sliding frequency bands based on the preset sorting scheme to obtain a second frequency band sequence;
and storing the second frequency band sequence to the intelligent control decision model.
Further, the system further comprises a transmitting and receiving module, wherein the transmitting and receiving module is used for:
receiving the transmitting waves sent by the transmitting antenna in the transmitting equipment by the receiving antenna in the receiving equipment to obtain electromagnetic waves;
preprocessing the electromagnetic wave to obtain a receiving signal;
and introducing a preset loss function to perform loss analysis on the received signal to obtain a target received signal.
Further, the transmitting and receiving module in the system is further configured to:
the calculation formula of the preset loss function is as follows:
L(x,x′)＝∑|εx′-x|
ε＝ε 1 +ε 2 +ε 3 +ε 4
wherein L (x, x ') denotes the predetermined loss function between the received signal and the target received signal, x' denotes the received signal, x denotes the target received signal, ε denotes a variable adjustment coefficient, wherein ε 1 Refers to the distance adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 2 Refers to the antenna direction adjustment coefficients of the receiving antenna and the transmitting antenna,ε 3 means the antenna height adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 4 Refers to the radiation frequency adjustment coefficients of the receiving antenna and the transmitting antenna.
In this description, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the foregoing method and specific example for controlling a frequency band of a wireless microphone in the first embodiment of fig. 1 are also applicable to the system for controlling a frequency band of a wireless microphone in this embodiment, and by the foregoing detailed description of the method for controlling a frequency band of a wireless microphone, those skilled in the art can clearly know the system for controlling a frequency band of a wireless microphone in this embodiment, so that, for brevity of the description, it is not described in detail herein. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the present invention and the equivalent techniques thereof, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The intelligent control method of the frequency band of the wireless microphone is applied to a control platform end, the intelligent control method of the frequency band is applied to an intelligent control system of the frequency band, and the intelligent control system of the frequency band comprises the wireless microphone, transmitting equipment and receiving equipment and is characterized in that the intelligent control method of the frequency band comprises the following steps:
the transmitting device transmits a radio frequency channel searching signal based on a preset frequency;
a monitoring unit in the receiving equipment monitors the radio frequency channel searching signal to generate a connection response signal;
the connection unit in the receiving equipment locks a preset channel of the wireless microphone based on the connection response signal to form a microphone channel locking state;
in the microphone channel locking state, analyzing the preset channel through an intelligent control decision model to obtain an output result;
and acquiring a frequency band control scheme in the output result, and performing frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result.
2. The method for intelligently controlling the frequency band according to claim 1, applied to a control terminal, characterized by comprising, before the transmitting device transmits a radio frequency channel search signal based on a preset frequency:
and acquiring a starting instruction, and opening the power supply of the wireless microphone according to the starting instruction to obtain the preset channel.
3. The method for intelligently controlling the frequency band according to claim 1, wherein the analyzing the preset frequency channel by the intelligent control decision model to obtain the output result comprises:
matching the working frequency range of the wireless microphone based on the preset channel;
determining an operational attribute of the wireless microphone based on the operating frequency range;
judging whether the job attribute is a preset job attribute or not;
if yes, a first output result is obtained through a first decision model in the intelligent control decision model, and the first output result is used as the output result.
4. The method for intelligently controlling a frequency band according to claim 3, comprising, after said determining whether the job attribute is a preset job attribute:
if not, obtaining the first output result through the first decision model in the intelligent control decision model, and obtaining a second output result through a second decision model in the intelligent control decision model;
and combining the first output result with the second output result and taking the first output result and the second output result as the output result.
5. The method of intelligent control of a frequency band according to claim 4, comprising, before said obtaining a first output result by a first decision model of said intelligent control decision models:
the intelligent control decision model is in communication connection with a plurality of product line dial switches and slide varistors; and is also provided with
The intelligent control decision model comprises the first decision model and the second decision model;
the first decision model is used for carrying out combined control on the plurality of product line dial switches, and the second decision model is used for carrying out sliding control on the sliding rheostat.
6. The method for intelligently controlling frequency bands according to claim 5, further comprising:
combining the plurality of product line dial switches to obtain a plurality of combination modes, and sequentially analyzing the plurality of combination modes to obtain a plurality of combination frequency bands;
acquiring a preset ordering scheme, and ordering the plurality of combined frequency bands based on the preset ordering scheme to obtain a first frequency band sequence;
and storing the first frequency band sequence to the intelligent control decision model.
7. The method for intelligently controlling frequency bands according to claim 6, further comprising:
acquiring a preset sliding step length;
performing sliding control on the sliding rheostat based on the preset sliding step length to obtain a plurality of sliding control results; and is also provided with
The sliding control results are respectively mapped into a plurality of sliding frequency bands;
sorting the plurality of sliding frequency bands based on the preset sorting scheme to obtain a second frequency band sequence;
and storing the second frequency band sequence to the intelligent control decision model.
8. The method for intelligently controlling a frequency band according to claim 1, further comprising, after the obtaining the frequency band control result:
receiving the transmitting waves sent by the transmitting antenna in the transmitting equipment by the receiving antenna in the receiving equipment to obtain electromagnetic waves; and is also provided with
Preprocessing the electromagnetic wave to obtain a receiving signal;
and introducing a preset loss function to perform loss analysis on the received signal to obtain a target received signal.
9. The method for intelligently controlling the frequency band according to claim 8, wherein the calculation formula of the preset loss function is as follows:
L(x,x′)＝∑|εx′-x|
ε＝ε 1 +ε 2 +ε 3 +ε 4
wherein L (x, x ') denotes the predetermined loss function between the received signal and the target received signal, x' denotes the received signal, x denotes the target received signal, ε denotes a variable adjustment coefficient, wherein ε 1 Refers to the distance adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 2 Means the antenna direction adjustment coefficient, epsilon, of the receiving antenna and the transmitting antenna 3 Means the antenna height adjustment coefficient epsilon of the receiving antenna and the transmitting antenna 4 Refers to the radiation frequency adjustment coefficients of the receiving antenna and the transmitting antenna.
10. The utility model provides a frequency channel intelligent control system of wireless microphone, frequency channel intelligent control system includes wireless microphone, transmitting device, receiving device, its characterized in that, frequency channel intelligent control system includes:
the signal transmitting module is used for transmitting a radio frequency channel searching signal based on a preset frequency by the transmitting equipment;
the connection response module is used for monitoring the radio frequency channel searching signal by a monitoring unit in the receiving equipment to generate a connection response signal;
the channel locking module is used for locking a preset channel of the wireless microphone based on the connection response signal by a connection unit in the receiving equipment to form a microphone channel locking state;
the control decision module is used for analyzing the preset channel through the intelligent control decision model under the microphone channel locking state to obtain an output result;
and the control execution module is used for acquiring a frequency band control scheme in the output result, and carrying out frequency band control processing on the receiving equipment according to the frequency band control scheme to obtain a frequency band control result.
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| CN1277495A (en) * | 1999-06-10 | 2000-12-20 | 诺基亚移动电话有限公司 | Transceiver for transmitting and receiving at least two channel radio-frequency signal |
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| CN1277495A (en) * | 1999-06-10 | 2000-12-20 | 诺基亚移动电话有限公司 | Transceiver for transmitting and receiving at least two channel radio-frequency signal |
| WO2017173718A1 (en) * | 2016-04-07 | 2017-10-12 | 中兴通讯股份有限公司 | Radio frequency path selection method and device, and storage medium |
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