CN209419598U - A kind of signal transmitting system and a kind of communication apparatus - Google Patents
A kind of signal transmitting system and a kind of communication apparatus Download PDFInfo
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- CN209419598U CN209419598U CN201822206099.7U CN201822206099U CN209419598U CN 209419598 U CN209419598 U CN 209419598U CN 201822206099 U CN201822206099 U CN 201822206099U CN 209419598 U CN209419598 U CN 209419598U
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Abstract
The utility model provides a kind of signal transmitting system and a kind of communication apparatus, and signal transmitting system includes: short-wave signal output module, the signal output module that occurs together, Signal averaging module and signal emission module；The short-wave signal output module is connect with the first input end of the Signal averaging module；The signal output module that occurs together is connect with the second input terminal of the Signal averaging module；The signal emission module is connect with the output end of the Signal averaging module.The utility model embodiment may be implemented to be broadcasted using occurring together after signal is overlapped with short-wave signal, to enhance the transmission performance of short-wave signal, reduces the influence that signal transmission environment transmits signal, improves the receiving sensitivity at broadcast signal reception end.
Description
Technical field
The utility model relates to fields of communication technology, more particularly to a kind of signal transmitting system and a kind of communication apparatus.
Background technique
Electromagnetic wave can be divided into myriametric wave, long wave, medium wave, shortwave, ultrashort wave, microwave by operation wavelength.Using short-wave band
The system that (1MHz~30MHz) is communicated is known as short wave communication system.
In the prior art, the signal that modulator generation is usually used in Shortwave Communication System is directly broadcasted, this logical
In news mode, receiving end is easy to be influenced by factors and communication quality is caused to decline, such as: the variation in ionosphere, same to frequency
Interference, hypertelorism etc..
Utility model content
In view of the above problems, the utility model is proposed to overcome the above problem in order to provide one kind or at least partly solve
The certainly a kind of signal transmitting system and a kind of communication apparatus of the above problem.
To solve the above-mentioned problems, the utility model discloses a kind of signal transmitting systems, comprising: short-wave signal exports mould
Block, the signal output module that occurs together, Signal averaging module and signal emission module；
The short-wave signal output module is connect with the first input end of the Signal averaging module；
The signal output module that occurs together is connect with the second input terminal of the Signal averaging module；
The signal emission module is connect with the output end of the Signal averaging module.
Preferably, the signal output module that occurs together includes: pseudorandom number generation unit, multiplier, carrier generation unit
With amplitude adjustment unit；
The pseudorandom number generation unit is connect with the first input end of the multiplier；
The carrier generation unit is connect with the second input terminal of the multiplier；
The input terminal of the amplitude adjustment unit is connect with the output end of the multiplier；
The output end of the amplitude adjustment unit is connect with the first input end of the Signal averaging module.
Preferably, the carrier generation unit is Direct Digital Synthesizer.
Preferably, the short-wave signal output module is amplitude modulaor.
Preferably, the Signal averaging module is adder.
Preferably, the signal emission module includes: power amplifier and antenna；
The input terminal of the power amplifier is connect with the output end of the Signal averaging module；
The output end of the power method device is connect with the antenna.
The invention also discloses a kind of communication apparatus, the communication equipment includes signal transmitting as described above system
System.
The utility model includes following advantages: being believed by the shortwave that the output of short-wave signal output module carries Content of communciation
Number V (t) is occurred together signal B (t) by the signal output module output that occurs together.The first input end of Signal averaging module is for receiving
Short-wave signal V (t), the second input terminal of Signal averaging module are also used to for receiving the signal B (t) that occurs together, Signal averaging module
Short-wave signal V (t) will be received to be added with the signal B (t) that occurs together, generate signal S (t) to be broadcast, wherein occur together signal B
It (t) is the signal of the spatial information of carrying short-wave signal V (t).The output end of Signal averaging module is by signal S to be broadcast
(t) it is sent to signal emission module, signal emission module is used to be broadcasted using signal to be broadcast.The utility model embodiment
It may be implemented to be broadcasted using occurring together after signal is overlapped with short-wave signal, to enhance the transmission performance of short-wave signal, subtract
The influence that weak signal transmission environment transmits signal, improves the receiving sensitivity at broadcast signal reception end.Due to shortwave
Output module is not made to change, so that traditional short-wave signal receiver and novel multiple antennas novel receiver can receive
The signal of the utility model embodiment broadcast.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of signal transmitting system embodiment of the utility model；
Fig. 2 be the utility model a kind of signal transmitting system embodiment in occur together the structural block diagram of signal output module.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Referring to Fig.1, a kind of structural block diagram of signal transmitting system of the utility model is shown, can specifically include: short
Wave signal output module 101, the signal output module that occurs together 102, Signal averaging module 103 and signal emission module 104；
The short-wave signal output module 101 is connect with the first input end of the Signal averaging module 103；
The signal output module 102 that occurs together is connect with the second input terminal of the Signal averaging module 103；
The signal emission module 104 is connect with the output end of the Signal averaging module 103.
In the utility model embodiment, the shortwave for carrying Content of communciation is exported by short-wave signal output module 101
Signal V (t), by occurring together, signal output module 102 exports the signal B (t) that occurs together.The first input end of Signal averaging module 103
For receiving short-wave signal V (t), the second input terminal of Signal averaging module 103 is for receiving the signal B (t) that occurs together, Signal averaging
Module 103 is also used to receive short-wave signal V (t) and is added with the signal B (t) that occurs together, and generates signal S (t) to be broadcast,
In, the signal B (t) that occurs together is the signal for carrying the spatial information of short-wave signal V (t).The output end of Signal averaging module 103
Signal S (t) to be broadcast is sent to signal emission module 104, signal emission module 104 is used to carry out using signal to be broadcast wide
It broadcasts.The utility model embodiment may be implemented to be broadcasted using occurring together after signal is overlapped with short-wave signal, short to enhance
The transmission performance of wave signal reduces the influence that signal transmission environment transmits signal, improves connecing for broadcast signal reception end
Receive sensitivity.Due to not making to change to shortwave output module, so that traditional short-wave signal receiver and novel more days
Line novel receiver can receive the signal of the utility model embodiment broadcast.
In a kind of novel preferred embodiment of the present embodiment, the signal output module 102 that occurs together includes: pseudo noise code
Generation unit 1021, multiplier 1022, carrier generation unit 1023 and amplitude adjustment unit 1024；
The pseudorandom number generation unit 1021 is connect with the first input end of the multiplier 1022；
The carrier generation unit 1023 is connect with the second input terminal of the multiplier 1022；
The input terminal of the amplitude adjustment unit 1024 is connect with the output end of the multiplier 1022；
The output end of the amplitude adjustment unit 1024 is connect with the first input end of the Signal averaging module 103.
Pseudorandom number generation unit 1021 is for exporting the pseudo-random sequence P (t) for having limit (such as 4~10).Carrier wave
Generation unit 1023 is used to export the ω complex exponential signal e of fixed frequencyjωt.Multiplier 1022 is used for pseudo-random code sequence P
(t) it is multiplied to obtain signal Y (t), i.e. Y (t)=P (t) e with complex exponential signaljωt.Amplitude adjustment unit 1024 connects for adjusting
The amplitude of the signal Y (t) received generates the signal B (t) that occurs together, then will occur together signal B so as to adjust the power of signal Y (t)
(t) it exports to Signal averaging module 103.
Preferably, the ratio to occur together between the power of signal B (t) and the power of short-wave signal V (t) 10%~20% it
Between.
In the utility model embodiment, the carrier generation unit 1023 is Direct Digital Synthesizer.
In practical applications, can using Direct Digital Synthesizer (Direct Digital Synthesizer,
DDS complex exponential signal) is generated.
In the utility model embodiment, the short-wave signal output module 101 is amplitude modulaor.
It in practical applications, can be using amplitude modulaor (Amplitude Modulator) output short-wave signal V (t).
In the utility model embodiment, the Signal averaging module 103 is adder.
In practical applications, the signal B (t) and short-wave signal V (t) that occurs together can be carried out at Signal averaging using adder
Reason.
In the utility model embodiment, the signal emission module 104 includes: power amplifier and antenna；It is described
The input terminal of power amplifier is connect with the output end of the Signal averaging module 103；The output end of the power method device with
The antenna connection.
It in practical applications, may include power amplifier and antenna in signal emission module 104, power amplifier is used for
Increase the power of signal S (t) to be broadcast, and the signal S (t) to be broadcast after power is increased is sent to antenna, antenna uses function
Signal S (t) to be broadcast after rate increases is broadcasted, to increase the transmission range of signal S (t) to be broadcast.
In the utility model embodiment, the shortwave for carrying Content of communciation is exported by short-wave signal output module 101
Signal V (t).The pseudo-random sequence and carrier generation unit that pseudorandom number generation unit 1021 is exported by multiplier 1022
The complex exponential signal of 1023 outputs carries out multiplication operation, generates signal Y (t), and using amplitude adjustment unit 1024 to signal Y
(t) power adjustment is carried out, and then generates the signal B (t) that occurs together.By adder to short-wave signal V (t) and occur together signal B (t) into
Row sum operation generates signal S (t) to be broadcast.Signal emission module 104 is after receiving signal S (t) to be broadcast, using function
Rate amplifier treat broadcast singal S (t) carry out power amplification, and using antenna to the signal S (t) to be broadcast after power amplification into
Row broadcast.The utility model embodiment may be implemented to be broadcasted using occurring together after signal is overlapped with short-wave signal, to increase
The transmission performance of strong short-wave signal, reduces the influence that signal transmission environment transmits signal, improves broadcast signal reception end
Receiving sensitivity.Due to not making to change to shortwave output module, so that traditional short-wave signal receiver and novel
Multiple antennas novel receiver can receive the signal of the utility model embodiment broadcast.
The invention also discloses a kind of communication apparatus, communication apparatus includes the letter of above-mentioned signal transmitting system embodiment
Number emission system.
Communication apparatus sends communication signal using signal transmitting system.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of signal transmitting system provided by the utility model and a kind of communication apparatus, detailed Jie has been carried out
It continues, specific case used herein is expounded the principles of the present invention and embodiment, and above embodiments are said
The bright method and its core concept for being merely used to help understand the utility model；At the same time, for those skilled in the art,
Based on the idea of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this explanation
Book content should not be construed as a limitation of the present invention.
Claims (7)
1. a kind of signal transmitting system characterized by comprising short-wave signal output module, the signal output module that occurs together, signal
Laminating module and signal emission module；
The short-wave signal output module is connect with the first input end of the Signal averaging module；
The signal output module that occurs together is connect with the second input terminal of the Signal averaging module；
The signal emission module is connect with the output end of the Signal averaging module.
2. system according to claim 1, which is characterized in that the signal output module that occurs together includes: that pseudo noise code is raw
At unit, multiplier, carrier generation unit and amplitude adjustment unit；
The pseudorandom number generation unit is connect with the first input end of the multiplier；
The carrier generation unit is connect with the second input terminal of the multiplier；
The input terminal of the amplitude adjustment unit is connect with the output end of the multiplier；
The output end of the amplitude adjustment unit is connect with the first input end of the Signal averaging module.
3. system according to claim 2, which is characterized in that
The carrier generation unit is Direct Digital Synthesizer.
4. system according to claim 1, which is characterized in that
The short-wave signal output module is amplitude modulaor.
5. system according to claim 1, which is characterized in that
The Signal averaging module is adder.
6. system according to claim 1, which is characterized in that
The signal emission module includes: power amplifier and antenna；
The input terminal of the power amplifier is connect with the output end of the Signal averaging module；
The output end of the power amplifier is connect with the antenna.
7. a kind of communication apparatus, which is characterized in that including signal transmitting system as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822206099.7U CN209419598U (en) | 2018-12-25 | 2018-12-25 | A kind of signal transmitting system and a kind of communication apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822206099.7U CN209419598U (en) | 2018-12-25 | 2018-12-25 | A kind of signal transmitting system and a kind of communication apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419598U true CN209419598U (en) | 2019-09-20 |
Family
ID=67939322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822206099.7U Active CN209419598U (en) | 2018-12-25 | 2018-12-25 | A kind of signal transmitting system and a kind of communication apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419598U (en) |
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2018
- 2018-12-25 CN CN201822206099.7U patent/CN209419598U/en active Active
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