CN116865835B

CN116865835B - Portable detection system and method for satellite communication portable station

Info

Publication number: CN116865835B
Application number: CN202310992776.5A
Authority: CN
Inventors: 王丹; 秦胜威; 昝永双; 赖晓丹; 盛凌; 胡永金; 李敏; 陈潇; 彭建强; 于千惠; 赵一鑫; 刘东文
Original assignee: Pla 61035 Unit
Current assignee: Pla 61035 Unit
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-01-23
Anticipated expiration: 2043-08-08
Also published as: CN116865835A

Abstract

The invention discloses a portable detection system and a portable detection method for a satellite communication portable station, wherein the portable detection system comprises an intermediate frequency detection module, a voice detection module, an interface detection module, an error code detection module, a main controller, a power supply module and a keyboard/display module; detecting an intermediate frequency signal transmitted by a Wei Tongbian station-carrying host by using an intermediate frequency detection module to obtain an intermediate frequency detection result; detecting the telephone terminal signal by using a voice detection module to obtain a voice detection result; detecting a Wei Tongbian station-carrying network port by using an interface detection module to obtain an interface detection result; detecting the error code function of the Wei Tongbian station by using an error code detection module to obtain an error code detection result; and the main controller is used for controlling the detection workflow and controlling the keyboard/display module to realize the man-machine interaction function. The invention can realize the rapid detection of the basic function of the Wei Tongbian station, and can rapidly locate the conventional fault point at the same time, thereby effectively improving the feasibility and timeliness of maintenance.

Description

Portable detection system and method for satellite communication portable station

Technical Field

The invention relates to the technical field of satellite communication and Wei Tongbian portable station basic function rapid detection, in particular to a portable detection system and method for a satellite communication portable station.

Background

The satellite communication portable station (hereinafter called the toilet portable station for short) has high use frequency and multiple application scenes, and a satellite communication host used on a certain satellite vehicle is the same as the satellite communication portable station. The digital integration degree of the portable station is high, when a problem and a fault occur, equipment performance detection and fault maintenance need professional personnel trained by a system, and meanwhile, professional detection equipment such as a frequency spectrograph, a code error instrument and the like need to be matched for use, so that detection maintenance conditions are difficult to be effectively ensured in outfield work, the maintenance time of equipment returning to a factory is long, and the communication guarantee working capacity of the equipment is seriously restricted by the real short plates. At present, in order to avoid the trouble of the guard portable station when the communication guarantee task is executed in the external field, a plurality of standby hosts and a large number of spare parts are usually carried for replacing the trouble equipment plate, which greatly increases the transport capacity cost, the storage cost and the personnel load.

At present, the first-line staff has the following problems and needs to be solved in the process of using the toilet to relieve constipation and take the station: (1) Under normal conditions, it is difficult to judge whether the Wei Tongbian station-carrying host is in a normal working state or not and whether the host has communication guarantee capability in real time, and the current common method is to start the toilet-stool station-carrying host and gradually test the satellite for trial determination, so that the time consumption is long; (2) The equipment capable of rapidly positioning the fault point of the toilet and the stool carrying station is beneficial to rapid detection and maintenance; (3) The detection equipment has automatic detection and manual detection functions, and can detect various basic functions of the Wei Tongbian station in real time. According to the summary of the above situations, a portable and easy-to-operate detection device is needed, which can realize rapid detection of the basic function of Wei Tongbian station carrying, and can rapidly locate the conventional fault point, thereby effectively improving the feasibility and timeliness of maintenance.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a portable detection system of a satellite communication portable station, which is mainly used for rapidly, conveniently and operationally testing the basic function of a Wei Tongbian portable station when the satellite communication portable station needs performance detection or faults and needs fault location, and under the condition of no professional personnel and professional instruments in an outfield environment, so as to judge whether the portable station has the capability of executing communication guarantee tasks or not.

To solve the above technical problem, a first aspect of an embodiment of the present invention discloses a portable detection system for a satellite communication portable station, the system including:

wei Tongbian host station, intermediate frequency detection module, voice detection module, interface detection module, error code detection module, main controller, power module, keyboard/display module;

the main controller is in data interaction with the intermediate frequency detection module, the voice detection module, the interface detection module, the error code detection module and the keyboard/display module;

The Wei Tongbian station-carrying host computer is in data interaction with the intermediate frequency detection module, the voice detection module, the interface detection module, the error code detection module and the power supply module;

the main controller is used for controlling each detection to be executed according to a reasonable sequence and providing guided fault diagnosis;

the intermediate frequency detection module is used for detecting whether the working frequency, the reference source and the power supply of the Wei Tongbian station-carrying host are normal or not;

the voice detection module is used for detecting whether the voice function of the Wei Tongbian station-carrying host is normal or not;

the interface detection module is used for detecting whether various interfaces of the Wei Tongbian station-carrying host are normal or not;

the error code detection module is matched with the intermediate frequency detection module and is used for carrying out error code test on the Wei Tongbian station-carrying host computer so as to judge whether the communication function of the Wei Tongbian station-carrying host computer is normal or not;

the keyboard/display module is used for carrying out data interaction with the main controller so as to realize the functions of input and output display;

the power module is used for supplying power to the Wei Tongbian station-carrying host.

As an optional implementation manner, in the first aspect of the embodiment of the present invention, the intermediate frequency detection module includes a reference source (1), a signal separator (2), a power divider (3), an attenuator (4), a signal separator (5), a reference source (6), a logarithmic amplifier (7), a voltage matcher (8), a frequency synthesizer (9), a mixer (10), a voltage matcher (11), a logarithmic amplifier (12), a sound table filter (13), a logarithmic amplifier (14) and an ADC unit (15);

The reference source (1) is connected with the logarithmic amplifying unit (12) and the signal separator (2) through wires;

the signal separator (2) is connected with the voltage matcher (11) and the power divider (3) through wires;

the power divider (3) is connected with the attenuator (4) and the mixer (10) through wires;

the attenuator (4) is connected with the lead of the signal separator (5);

the reference source (6) is connected with the signal separator (5) and the logarithmic amplifier (7) through wires;

the voltage matcher (8) is connected with the signal separator (5) and the ADC unit (15) through wires;

the mixer (10) is connected with the frequency synthesizer (9) and the filter unit (13) through wires;

the logarithmic amplifier (14) is connected with the sound surface filter (13) and the ADC unit (15) through wires;

the voltage matcher (11) is connected with the signal separator (2) and the ADC unit (15) through wires;

the logarithmic amplifier (12) is connected with the reference source (1) and the ADC unit (15) through wires;

the reference source (1) and the reference source (6) are used for generating a 10M reference signal;

the signal separator (2) and the signal separator (5) are used for signal separation;

the power divider (3) is used for separating signals;

The attenuator (4) is used for attenuating signals;

the logarithmic amplifier (7), the logarithmic amplifier (12) and the logarithmic amplifier (14) are used for amplifying signals;

the voltage matcher (8) and the voltage matcher (11) are used for matching voltages;

-the frequency synthesizer (9) is arranged to generate a local oscillator signal;

the mixer (10) is used for mixing;

the sound surface filter (13) is used for filtering signals;

the ADC unit (15) is used for carrying out analog-to-digital conversion.

The second aspect of the embodiment of the invention discloses a portable detection method for a satellite communication portable station, which comprises the following steps:

s1, detecting an intermediate frequency signal transmitted by the Wei Tongbian station-carrying host by using an intermediate frequency detection module to obtain an intermediate frequency detection result;

the intermediate frequency signal comprises the frequency and power of the radio frequency signal transmitted by the Wei Tongbian station-carrying host, a 14V power supply for feeding the radio frequency out of the front end, a reference 10M signal for feeding the LNA of the radio frequency inlet and the 14V power supply

S2, detecting the telephone terminal signal by using a voice detection module to obtain a voice detection result;

s3, detecting a Wei Tongbian station-carrying network port by using an interface detection module to obtain an interface detection result;

S4, detecting the error code function of the Wei Tongbian station by using an error code detection module to obtain an error code detection result;

s5, controlling the detection workflow by using the main controller, controlling the keyboard/display module, and realizing the man-machine interaction function.

In a first aspect of the embodiment of the present invention, the detecting, by using an intermediate frequency detection module, the intermediate frequency signal transmitted by the Wei Tongbian station-carrying host to obtain an intermediate frequency detection result includes:

s11, generating a local oscillation signal by using the frequency synthesizer;

s12, mixing the local oscillation signal and the intermediate frequency signal by using the mixer to obtain an intermediate frequency signal;

s13, filtering the intermediate frequency signal by using the sound surface filter to obtain a filtered intermediate frequency signal;

s14, detecting the filtered intermediate frequency signal by using the logarithmic amplifier to obtain an intermediate frequency detection value;

and S15, detecting the intermediate frequency detection value to obtain an intermediate frequency detection result.

In a first aspect of the embodiment of the present invention, the detecting, by using a voice detection module, a telephone terminal signal to obtain a voice detection result includes:

S21, controlling the Wei Tongbian portable station by using the portable detection system of the satellite communication portable station to enter a voice detection mode;

s22, after receiving the feedback signal sent by the Wei Tongbian portable station, the portable detection system of the satellite communication portable station sends out a voice detection data packet to the satellite communication portable station;

s23, modulating and frequency-converting the voice detection data packet by utilizing the Wei Tongbian carrier station to obtain modulated and frequency-converted voice information;

s24, the satellite communication portable station sends the modulated variable frequency voice information to a portable detection system of the satellite communication portable station;

s25, carrying out level processing on the modulated variable frequency voice information by utilizing the portable detection system of the satellite communication portable station to obtain first modulated variable frequency voice information;

s26, the portable detection system of the satellite communication portable station sends the first modulated variable frequency voice information to the Wei Tongbian portable station;

s27, the Wei Tongbian carrying station carries out variable frequency demodulation on the first modulated variable frequency voice information to obtain voice detection data information;

s28, the satellite communication portable station sends the voice detection data information to the satellite communication portable station portable detection system;

S29, the portable detection system of the satellite communication portable station is used for processing the voice detection data information to obtain a voice detection result.

In a first aspect of the embodiment of the present invention, the detecting, by using an interface detection module, the network port of the Wei Tongbian station carrying network to obtain an interface detection result includes:

s31, the portable detection system of the satellite communication portable station is used for controlling the Wei Tongbian portable station to enter an IP test mode;

s32, after receiving the feedback signal sent by the Wei Tongbian portable station, the portable detection system of the satellite communication portable station sends a ping data packet to the Wei Tongbian portable station;

s33, carrying out modulation and frequency conversion processing on the ping data packet by utilizing the Wei Tongbian carrier station to obtain modulation and frequency conversion data information;

s34, the satellite communication portable station sends the modulation variable frequency data information to the portable detection system of the satellite communication portable station;

s35, carrying out level processing on the modulated variable frequency data information by using the portable detection system of the satellite communication portable station to obtain first modulated variable frequency data information;

s36, the portable detection system of the satellite communication portable station sends the first modulation frequency conversion data information to the Wei Tongbian portable station;

S37, the Wei Tongbian carrying station carries out frequency conversion demodulation on the first modulation frequency conversion data information to obtain network port data information;

s38, the satellite communication portable station sends the internet access data information to the portable detection system of the satellite communication portable station;

s39, the network port data information is processed by the satellite communication portable station portable detection system, and an interface detection result is obtained.

In a first aspect of the embodiment of the present invention, the detecting, by using an error detection module, the error function of the Wei Tongbian carrier station to obtain an error detection result includes:

s41, controlling the Wei Tongbian portable station by using the portable detection system of the satellite communication portable station to enter an error code detection mode;

s42, after receiving the feedback signal sent by the Wei Tongbian portable station, the portable detection system of the satellite communication portable station sends a pseudo-random signal to the Wei Tongbian portable station;

s43, carrying out modulation and frequency conversion processing on the pseudo-random signal by using the Wei Tongbian carrier station to obtain modulation and frequency conversion pseudo-random signal information;

s44, the satellite communication portable station sends the modulated variable frequency pseudo-random signal information to the portable detection system of the satellite communication portable station;

S45, carrying out level processing on the modulated variable frequency pseudo-random signal information by using the portable detection system of the satellite communication portable station to obtain first modulated variable frequency pseudo-random signal information;

s46, the portable detection system of the satellite communication portable station sends the first modulation frequency conversion pseudo-random signal information to the Wei Tongbian portable station;

s47, the Wei Tongbian carrier station carries out variable frequency demodulation on the first modulation variable frequency pseudo-random signal information to obtain a demodulation pseudo-random signal;

s48, the satellite communication portable station sends the demodulation pseudo-random signal to the portable detection system of the satellite communication portable station;

s49, the satellite communication portable station portable detection system is used for processing the demodulation pseudo-random signal to obtain an error code detection result.

In a first aspect of the embodiment of the present invention, the controlling the detection workflow by using the main controller and controlling the keyboard/display module to implement the man-machine interaction function includes:

s51, acquiring a keyboard instruction of the keyboard/display module by using the main controller;

s52, the main controller analyzes the keyboard instruction to obtain key information;

S53, the main controller sends corresponding key display information to the keyboard/display module according to the key information;

s54, the keyboard/display module displays the key display information to realize a man-machine interaction function;

the man-machine interaction function comprises: a power-on initiation interaction, a selection interaction, an automatic test interaction, a manual selection interaction, a maintenance guidance interaction, and a single function detection interaction.

As an optional implementation manner, in the first aspect of the embodiment of the present invention, the method further includes:

controlling the Wei Tongbian portable station by using the satellite communication portable station portable detection system;

the control comprises mode selection control, test mode setting control, exiting test control and reporting state analysis;

the portable detection system of the satellite communication portable station receives the feedback signal of the Wei Tongbian portable station and detects the real-time state of the Wei Tongbian portable station.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

the portable detection system of the satellite communication portable station is mainly used for rapidly, conveniently and easily testing the basic function of the Wei Tongbian portable station when the satellite communication portable station needs performance detection or faults and needs fault location, and the situation that no professional personnel and professional instruments exist in an outfield environment so as to judge whether the satellite communication portable station has the capability of executing communication guarantee tasks or not. The weight of the portable detection equipment host is only 0.8kg, so that the miniaturization and the light weight of the detection terminal are realized, the portable detection equipment host is convenient to carry, and the transport cost and the personnel load are effectively reduced. Meanwhile, compared with a large number of maintenance and detection equipment, the manufacturing cost of the portable detection system is quite low, the portable detection system for the satellite communication portable station has obvious advantages in cost, and has very important significance in improving communication guarantee capability, working efficiency and economic benefit.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic hardware structure of a portable detection system for a satellite communication portable station according to an embodiment of the present invention;

FIG. 2 is a block diagram of an intermediate frequency detection module according to an embodiment of the present invention;

fig. 3 is a frequency synthesizer circuit according to an embodiment of the present invention;

FIG. 4 is a logarithmic amplifier circuit disclosed in an embodiment of the invention;

FIG. 5 shows a mixer and filter circuit according to an embodiment of the invention

FIG. 6 is a schematic flow chart of a portable detection method for a satellite communication portable station according to an embodiment of the present invention;

FIG. 7 is a flow chart of error detection according to an embodiment of the present invention;

FIG. 8 is a diagram of an error detection module (level shift circuit) according to an embodiment of the present invention;

FIG. 9 is a flow chart of network port detection according to an embodiment of the present invention;

fig. 10 shows an interface detection circuit (network port and switch circuit) according to an embodiment of the present invention;

FIG. 11 is a block diagram of a host controller and display disclosed in an embodiment of the present invention;

FIG. 12 is a main controller circuit disclosed in an embodiment of the present invention;

FIG. 13 is a software framework disclosed in an embodiment of the invention

FIG. 14 is a software program code segment of an embodiment of the present invention

FIG. 15 is a flow of detection processing disclosed in an embodiment of the present invention;

FIG. 16 is a key processing flow disclosed in an embodiment of the present invention;

FIG. 17 is a schematic diagram of a debug connection of an intermediate frequency detection module according to an embodiment of the present invention;

FIG. 18 is a diagram of an intermediate frequency detection module (debug site) as disclosed in an embodiment of the present invention;

FIG. 19 is a diagram of an error detection module (debug schematic) according to an embodiment of the present invention;

FIG. 20 is a diagram of an error detection module (debug site 1) disclosed in an embodiment of the present invention;

FIG. 21 is a schematic diagram of an interface detection module (debug connection) according to an embodiment of the present invention;

FIG. 22 is a diagram of an interface detection module (debug site 1) disclosed in an embodiment of the present invention;

FIG. 23 is a diagram of an interface detection module (debug site 2) disclosed in an embodiment of the present invention;

FIG. 24 is a schematic diagram of a voice detection module (debug connection) as disclosed in an embodiment of the present invention;

FIG. 25 is a voice detection module (debug site 1) disclosed in an embodiment of the present invention;

FIG. 26 is an automated test selection interface disclosed in an embodiment of the invention;

FIG. 27 is an automated test interface disclosed in an embodiment of the present invention;

FIG. 28 is a manual test interface disclosed in an embodiment of the present invention;

FIG. 29 is a 10M source test interface disclosed in an embodiment of the present invention;

fig. 30 is a single carrier test interface disclosed in an embodiment of the present invention;

FIG. 31 is a control portal test interface disclosed in an embodiment of the present invention;

FIG. 32 is a diagram of a low speed error code test interface according to an embodiment of the present invention;

FIG. 33 is a portable guard box disclosed in an embodiment of the invention;

fig. 34 is a schematic diagram of a portable detection device host for a satellite communication portable station according to an embodiment of the present invention.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, apparatus, article, or device that comprises a list of steps or elements is not limited to the list of steps or elements but may, in the alternative, include other steps or elements not expressly listed or inherent to such process, method, article, or device.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The invention discloses a portable detection system and a portable detection method for a satellite communication portable station, wherein the portable detection system comprises a Wei Tongbian portable station host, an intermediate frequency detection module, a voice detection module, an interface detection module, an error code detection module, a main controller, a power supply module and a keyboard/display module; detecting an intermediate frequency signal transmitted by a Wei Tongbian station-carrying host by using an intermediate frequency detection module to obtain an intermediate frequency detection result; detecting the telephone terminal signal by using a voice detection module to obtain a voice detection result; detecting a Wei Tongbian station-carrying network port by using an interface detection module to obtain an interface detection result; detecting the error code function of the Wei Tongbian station by using an error code detection module to obtain an error code detection result; and the main controller is used for controlling the detection workflow and controlling the keyboard/display module to realize the man-machine interaction function. The invention can realize the rapid detection of the basic function of the Wei Tongbian station, and can rapidly locate the conventional fault point at the same time, thereby effectively improving the feasibility and timeliness of maintenance.

(1) The intermediate frequency detection module simulates the design of a spectrometer, and can detect whether the working frequency, a reference source, power supply and the like of the Wei Tongbian station are normal or not; (2) The error code detection module is matched with the intermediate frequency detection module, and is used for simulating the design of an error code meter, so that error code test can be carried out on the Wei Tongbian station to judge whether the communication function is normal or not; (3) The voice detection module, the interface detection module and the like can detect Wei Tongbian various interfaces such as station-carrying voice, data and the like; (4) The main controller controls each detection to be executed according to a reasonable sequence, can provide guided fault diagnosis, and realizes that detection personnel can complete all detection items only by prompting operation according to a display screen to obtain corresponding maintenance suggestions. The following will describe in detail.

Example 1

Referring to fig. 1, fig. 1 is a block diagram of a hardware structure of a portable detection system for a portable satellite communication station according to an embodiment of the present invention. The portable detection system of the satellite communication portable station described in fig. 1 is applied to the technical field of satellite communication, and performs communication security work, and embodiments of the present invention are not limited. As shown in fig. 1, the portable detection system for a satellite communication portable station may include a Wei Tongbian portable station host, an intermediate frequency detection module, a voice detection module, an interface detection module, an error detection module, a main controller, a power module, and a keyboard/display module;

the fault diagnosis is as follows: the detection equipment sequentially detects all functional modules of the Wei Tongbian station-carrying host according to a preset sequence, and the detected fault module can display fault information on a display screen of the detection equipment and prompt a fault solving method;

whether the voice function is normal or not is to detect whether the voice interface function is normal or not;

the interface comprises a network port and a voice interface;

Optionally, the intermediate frequency detection module comprises a reference source (1), a signal separator (2), a power divider (3), an attenuator (4), a signal separator (5), a reference source (6), a logarithmic amplifier (7), a voltage matcher (8), a frequency synthesizer (9), a mixer (10), a voltage matcher (11), a logarithmic amplifier (12), a sound meter filter (13), a logarithmic amplifier (14) and an ADC unit (15);

the attenuator (4) is connected with the lead of the signal separator (5);

the power divider (3) is used for separating signals;

the signal separation is mainly used for extracting direct current, reference signals and radio frequency signals of a receiving port and a transmitting port of the detected equipment and then detecting the signals;

the attenuator (4) is used for attenuating signals;

The local oscillation signal comprises a local oscillation signal generated by a frequency synthesizer and used for mixing by a mixer, and the mixer outputs a sum/difference signal of a radio frequency signal and the local oscillation signal;

the mixer (10) is used for mixing;

the sound surface filter (13) is used for filtering signals;

the method comprises the steps that an acoustic surface filter filters intermediate frequency signals mixed by a mixer, mainly filters harmonic waves and spurious after mixing, and ensures purer signals to enter a detector;

the ADC unit (15) is used for carrying out analog-to-digital conversion.

Each interface of the portable detection equipment is connected with a radio frequency outlet, a radio frequency inlet, a control terminal, data and a network port of the Wei Tongbian station, and the detection of the Wei Tongbian station intermediate frequency detection module, the voice detection module, the error code detection module and the interface detection module is completed through the operation of the interface of the detection equipment and the control and the processing of the main controller. The detection device can simulate the functions of a simple error code instrument, a simple frequency spectrograph and a simple computer, the intermediate frequency detection module simulates the simple frequency spectrograph to detect the Wei Tongbian station-carrying radio frequency signal, the error code detection module simulates the simple error code instrument to detect the Wei Tongbian station-carrying error code function, and the voice interface detection module is provided with a two-wire telephone to detect the Wei Tongbian station-carrying voice interface.

The detection items of the intermediate frequency detection module comprise the detection of the frequency and the power of a transmitting signal which is sent out by the Wei Tongbian station-carrying radio frequency, a 14V power supply which is used by the front end of the radio frequency sending feed, a reference 10M signal which is fed to the LNA by the radio frequency inlet and the 14V power supply.

The portable detection equipment is internally integrated with a frequency synthesizer, a mixer, a sound meter filter, a logarithmic amplifier and other functional circuits. The mixer mixes the transmitting intermediate frequency by using the local oscillator generated by frequency synthesis, the lower intermediate frequency is obtained, after acoustic table filtering, the level value detected by the logarithmic amplifier is read by AD, and then whether the transmitting intermediate frequency is normal is judged. In addition, the intermediate frequency detection circuit also carries out certain attenuation on the signaling and loops back to the radio frequency input of the Wei Tongbian station-carrying host, thereby setting up a hardware foundation for error code detection. The block diagram of the intermediate frequency detection module is shown in fig. 2, and the main functions of the intermediate frequency detection module are to separate and extract radio frequency signals, reference signals and direct current signals of a receiving port and a transmitting port of detected equipment for detection by the detection equipment; mixing signals of an emission port of the detected equipment to obtain a lower intermediate frequency signal, detecting a level value by a logarithmic amplifier after passing through a sound meter filter, and reading the level value by an AD (analog-to-digital) to judge whether the intermediate frequency is normal or not; in addition, the circuit in the figure also loops back to the receiving port of the detected equipment after carrying out certain attenuation on the signal of the detected equipment, and builds a hardware foundation for error code detection. If Wei Tongbian station-carrying transmitting frequency fails, namely the transmitting frequency is inaccurate, a signal with larger frequency deviation is filtered by the acoustic surface filter, so that the level of expected power cannot be detected by the logarithmic amplifier, namely the ADC reading is not out or the reading value is lower than a pre-judging value, and the transmitting fault can be located; similarly, if Wei Tongbian station-carrying transmitting power fails, the signal level entering the logarithmic amplifier after mixing and filtering is lower than the pre-judging value, and the transmitting power can be positioned to the transmitting failure.

The 10M reference signal for the rf output feed front end is also checked using a logarithmic amplifier. And finally, outputting the signals, the 10M signals and the 14V power supply detection result to the main controller only through ADC conversion, and judging whether the current equipment is normal or not by the main controller. The partial circuit diagrams of the intermediate frequency detection module are shown in fig. 3, 4 and 5. Fig. 3 is a frequency synthesizer circuit providing a local oscillator circuit for a mixer.

Example two

Referring to fig. 6, fig. 1 is a flow chart of a portable detection method for a satellite communication portable station according to an embodiment of the invention. The portable detection method of the satellite communication portable station described in fig. 6 is applied to the technical field of satellite communication, and performs communication guarantee work, and embodiments of the present invention are not limited. As shown in fig. 6, the portable satellite communication portable station portable detection method may include:

the intermediate frequency signal comprises the frequency and the power of the radio frequency signal transmitted by the Wei Tongbian station-carrying host, a 14V power supply for feeding the radio frequency to the front end, a reference 10M signal for feeding the LNA to the radio frequency inlet and the 14V power supply;

The LNA is a Low Noise Amplifier low noise amplifier (a low noise amplifying module is commonly referred to at the front end of the radio frequency).

Optionally, the detecting the intermediate frequency signal transmitted by the Wei Tongbian station-carrying host by using the intermediate frequency detection module, to obtain an intermediate frequency detection result, includes:

s11, generating a local oscillation signal by using the frequency synthesizer;

Optionally, the detecting the signal of the telephone terminal by using the voice detection module to obtain a voice detection result includes:

Optionally, the detecting the Wei Tongbian station-carrying network port by using the interface detecting module to obtain an interface detecting result includes:

the Ping data packet can detect whether the network port communication is normal; the method comprises the steps that a processor is used for carrying out ping packets, network port signals generated by the ping packets are sent to detected equipment after format conversion, the detected equipment is controlled by the detector to enter an IP data test state at the same time so that the detected equipment receives the ping packet signals generated by the detector as original signals, the ping packet signals are modulated and converted by the detected equipment and then output through a transmitting port, then the ping packet signals are connected to a receiving port of the detected equipment, the detected equipment restores the network port signals after frequency conversion and demodulation and then sends the network port signals to the detector, and the detector checks whether the ping packet information is received or not so as to judge whether the network port is normal or not; the figure can refer to the network port detection flow chart of figure 9.

Optionally, the detecting the error code function of the Wei Tongbian station with the error code detection module to obtain an error code detection result includes:

Optionally, the detecting workflow is controlled by the main controller, and the keyboard/display module is controlled, so as to realize a man-machine interaction function, including:

Optionally, the method further comprises:

the detection equipment of the toilet portable station controls the detected equipment, and ensures that the detected equipment enters different mode states to detect different functions;

The portable detection system of the satellite communication portable station receives the feedback signal of the Wei Tongbian portable station, and carries out real-time state detection on the Wei Tongbian portable station, wherein the real-time state detection comprises all detection items and is carried out sequentially.

The error code detection module detects the error code function of the Wei Tongbian station through simulating the simple error code instrument. The error code detection is completed by the linkage of the portable detection equipment and the Wei Tongbian station.

The processor of the error code detection module is used for generating a pseudo-random signal, the pseudo-random signal is transmitted to the host computer of the portable detection device after level conversion, the portable detection device simultaneously controls the portable detection device to enter an error code test state to enable the portable detection device to receive the pseudo-random signal generated by the portable detection device as an original signal, the original signal is modulated and converted by the Wei Tongbian portable detection device, then is output through a transmitting port, is output again after level processing by the portable detection device, is output again after being converted and demodulated by the Wei Tongbian portable detection device, and is transmitted to the portable detection device again after being converted and demodulated by the Wei Tongbian portable detection device, and the pseudo-random signal generated by the digital signal is compared by the portable detection device so as to judge whether the interval of the error code rate is normal. The workflow is shown in fig. 7. The partial circuit diagram of the error detection module is shown in fig. 8.

The interface detection mainly refers to detection of a Wei Tongbian station-carrying network port. Similar to error detection, the error detection needs to be completed in linkage with Wei Tongbian station carrying.

The method comprises the steps that a processor is used for carrying out ping packets, network port signals generated by the ping packets are sent to a host computer of the portable detection device after format conversion, the portable detection device simultaneously controls the portable detection device to enter an IP data test state to enable the portable detection device to receive the ping packet signals generated by the portable detection device as original signals, the ping packet signals are modulated and converted by the Wei Tongbian portable detection device and then output through a transmitting port, then the ping packet signals are connected to the portable detection device, the portable detection device is subjected to level processing and then output to a receiving port of the Wei Tongbian portable detection device, the Wei Tongbian portable detection device is subjected to frequency conversion and demodulation and then is returned to the network port signals and then sent to the portable detection device, and the portable detection device checks whether the ping packet information is received or not so as to judge whether the network port is normal. The flow chart of the interface detection is shown in fig. 9, and the partial circuit diagram of the interface detection module is shown in fig. 10.

The main controller controls the detection workflow, automatically coordinates the working state of the host, cooperates with the portable detection equipment to work, provides a human-home interaction interface for a user, and the like. Composed of a microprocessor, keyboard, display screen, etc., as shown in fig. 11. The main controller circuit is shown in fig. 12.

Example III

The method of the invention also comprises software design.

1. Software framework

The software takes a hardware platform as a base, takes an embedded operating system as a frame, takes each task as a core, and completes the whole function of the portable detection device through the round-robin scheduling of each task. The tasks include a key detection processing program, a display screen control program, a network control program of the satellite mobile station and a system detection program. The overall framework of the software is shown in fig. 13. A portion of the software program code fragment is shown in fig. 14.

2. Wei Tongbian control of a portable station

Wei Tongbian the control of the station is accomplished by controlling the network port, and mainly comprises mode selection, test mode setting, exit test setting, reporting state analysis and the like. The detection task sends corresponding signaling to the guard portable station through the control network port according to the detection requirement, and detects Wei Tongbian the state of the portable station in real time.

3. Detection function implementation

The detection function is mainly divided into automatic detection and single-function detection. And the key detection processing task sends automatic detection and single-function detection to the detection task according to the display and key control. The function detection mainly comprises power supply detection, 10M source detection, control network port detection, service network port detection, single carrier detection, low-speed error code detection, high-speed error code detection and voice detection. And (3) automatically detecting the functions of all the units in sequence, and ending the task after all the function detection.

The power supply detection is to detect whether the receiving and transmitting power supply is in a specified range or not through AD sampling of the processor; the 10M source detects whether 10M signals in the main detection signals are normal or not; the control network port detects whether the connection between the control network port and the control signaling is normal or not; the service network port is mainly used for detecting whether the service network port is connected or not and whether the channel network port data test is normal or not; the single carrier is used for controlling the toilet and bowel movement carrying station to send the single carrier, and the portable detection equipment detects whether the frequency and the size of the single carrier are proper or not; the high-speed error code and the low-speed error code are tested by controlling the toilet stool carrying station, and whether the channel is normal or not is detected by data comparison; the voice detection is to control the toilet and bowel carrying station to carry out voice test and carry out manual voice comparison through the loop of the portable detection equipment. The detection flow is shown in fig. 15.

4. Human-computer interaction function realization

And designing a man-machine interaction interface according to the selection and the requirement of the detection task, and controlling by keys to finish the operation of the interface. The man-machine interaction interface mainly comprises a starting-up starting interface, a selection interface, an automatic test interface, a manual selection interface, a maintenance guidance interface and a single-function detection interface.

5. Keyboard and display screen control

The keys mainly include a left key operation, a right key operation, a confirm key operation, and a return key operation. The key confirms the completion of the key by detecting, determines the actual meaning of the key according to the position of the current interface, and sends corresponding key display to the display screen. The flow is shown in fig. 16.

Example IV

The embodiment performs the test and the debugging of the prototype.

1. Intermediate frequency detection module debugging

The debugging connection schematic of the intermediate frequency detection module is shown in figure 17; the debug live picture is shown in fig. 18.

2. Error code detection module debugging

The debugging connection schematic of the error code detection module is shown in fig. 19; the debug scene picture is shown in fig. 20.

3. Interface detection module debugging

The interface detection module debugging connection schematic is shown in fig. 21; the debug live pictures are shown in fig. 22 and 23.

4. Voice detection module debugging

The debugging connection schematic of the voice detection module is shown in fig. 24; the debug scene picture is shown in fig. 25.

5. Complete machine joint debugging

After the basic functions of each functional module are debugged, each main board is arranged in a portable detection equipment case to be connected with a radio frequency cable and each data line interface, and then the whole machine is debugged. Because the test of the basic functional module is finished, the difficulty of the whole machine debugging is mainly that the control of the portable detection equipment to the Wei Tongbian station-carrying host and the intercommunication detection debugging of each interface are finished on the debugging of an interface protocol. The whole machine test is shown in fig. 26, 27, 28, 29, 30, 31 and 32. The main functional test results are shown in Table 1.

TABLE 1 Main functional test results Table

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The main performance test results are shown in Table 2.

TABLE 2 Primary Performance test results Table

The development software tools are shown in table 3.

TABLE 3 software development List

The test meter and equipment are shown in table 4.

Table 4 test security device checklist

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The portable detection system mainly comprises the following components:

1. a host 1 station; 2. 2 radio frequency N-SMA cables; 3. 1 data cable; 4. 1 net gape cable;

5. 1 control cable; 6. 1 portable protective box. Wherein the portable guard box is shown in fig. 33 and the portable test device host is shown in fig. 34. And the intermediate frequency detection module is used for mainly detecting whether the intermediate frequency working frequency, the signaling level, the reference source and the front-end feed are normal or not. The error code detection module is used for carrying out simple error code test on the Wei Tongbian station-carrying host computer by simulating the simple error code instrument so as to judge whether the communication function is normal or not. And the voice detection module is used for detecting the voice interface function of the Wei Tongbian station. And the interface detection module is used for detecting each interface of the Wei Tongbian station. The main controller coordinates each detection to be executed according to a reasonable sequence, provides a directed fault diagnosis, and a detector can complete all detection items only by prompting operation according to a display screen to obtain corresponding maintenance suggestions. Host size: 236mm x 146mm x 34mm (without connectors); host weight: 0.8kg; and (3) power input: provided by the detected device; maximum power consumption: 8W; display area: 154mm by 86mm; external interface: the number of the flange data interfaces is 3 (error-proof design is adopted), and the number of the flange radio frequency interfaces is 2 (the portable detection equipment radio frequency output is connected with the detected equipment radio frequency output, and the portable detection equipment radio frequency input is connected with the detected equipment radio frequency input).

The apparatus embodiments described above are merely illustrative, in which the modules illustrated as separate components may or may not be physically separate, and the components shown as modules may or may not be physical, i.e., may be located in one place, or may be distributed over multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.

From the above detailed description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course by means of hardware. Based on such understanding, the foregoing technical solutions may be embodied essentially or in part in the form of a software product that may be stored in a computer-readable storage medium including Read-Only Memory (ROM), random-access Memory (Random Access Memory, RAM), programmable Read-Only Memory (Programmable Read-Only Memory, PROM), erasable programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), one-time programmable Read-Only Memory (OTPROM), electrically erasable programmable Read-Only Memory (EEPROM), compact disc Read-Only Memory (Compact Disc Read-Only Memory, CD-ROM) or other optical disc Memory, magnetic disc Memory, tape Memory, or any other medium that can be used for computer-readable carrying or storing data.

Finally, it should be noted that: the embodiment of the invention discloses a portable detection system and a portable detection method for a satellite communication portable station, which are only disclosed as preferred embodiments of the invention, and are only used for illustrating the technical scheme of the invention, but not limiting the technical scheme; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. A portable detection system for a satellite communication portable station, the system comprising: the device comprises an intermediate frequency detection module, a voice detection module, an interface detection module, an error code detection module, a main controller, a power supply module and a keyboard/display module;

the intermediate frequency detection module, the voice detection module, the interface detection module, the error code detection module and the power supply module interact with Wei Tongbian host computer data;

The main controller is used for controlling each detection to be executed according to a reasonable sequence and performing fault diagnosis;

the intermediate frequency detection module is used for detecting the working frequency, a reference source and a power supply state of the Wei Tongbian station-carrying host;

the voice detection module is used for detecting the voice function working state of the Wei Tongbian station-carrying host;

the interface detection module is used for detecting the interface working state of the Wei Tongbian station-carrying host;

the error code detection module is matched with the intermediate frequency detection module and is used for carrying out error code test on the Wei Tongbian station-carrying host computer so as to judge the working state of the communication function of the Wei Tongbian station-carrying host computer;

the power supply module is used for supplying power to the toilet and bowel-relaxing portable station host;

s2, detecting the telephone terminal signal by using a voice detection module to obtain a voice detection result, comprising:

S29, processing the voice detection data information by using the satellite communication portable station portable detection system to obtain a voice detection result;

s3, detecting the Wei Tongbian station-carrying network port by using an interface detection module to obtain an interface detection result, wherein the method comprises the following steps:

s39, processing the network port data information by using the portable detection system of the satellite communication portable station to obtain an interface detection result;

s4, detecting the error code function of the Wei Tongbian station by using the error code detection module to obtain an error code detection result, wherein the method comprises the following steps:

s49, the satellite communication portable station portable detection system is utilized to process the demodulation pseudo-random signal, and an error code detection result is obtained;

2. The portable satellite communication station detection system according to claim 1, wherein the intermediate frequency detection module comprises a reference source (1), a signal separator (2), a power divider (3), an attenuator (4), a signal separator (5), a reference source (6), a logarithmic amplifier (7), a voltage matcher (8), a frequency synthesizer (9), a mixer (10), a voltage matcher (11), a logarithmic amplifier (12), a sound table filter (13), a logarithmic amplifier (14) and an ADC unit (15);

The reference source (1) is connected with the logarithmic amplifier (12) and the signal separator (2) through wires;

the attenuator (4) is connected with the lead of the signal separator (5);

the mixer (10) is connected with the frequency synthesizer (9) and the sound surface filter (13) through wires;

the power divider (3) is used for separating signals;

The attenuator (4) is used for attenuating signals;

the mixer (10) is used for mixing;

the sound surface filter (13) is used for filtering signals;

the ADC unit (15) is used for carrying out analog-to-digital conversion.

3. The portable detection system for satellite communication portable stations according to claim 1, wherein said detecting the transmitted intermediate frequency signal transmitted by the Wei Tongbian portable station host by using the intermediate frequency detection module to obtain an intermediate frequency detection result comprises:

s11, generating a local oscillation signal by utilizing a frequency synthesizer;

s12, mixing the local oscillation signal and the intermediate frequency signal by using a mixer to obtain an intermediate frequency signal;

s13, filtering the intermediate frequency signal by using a sound meter filter to obtain a filtered intermediate frequency signal;

s14, detecting the filtered intermediate frequency signal by using a logarithmic amplifier to obtain an intermediate frequency detection value;

4. The portable detection system of claim 1, wherein the controlling the detection workflow with the main controller and controlling the keyboard/display module to implement the man-machine interaction function comprises:

5. The portable satellite communication portable station detection system of claim 1, further comprising:

using the portable detection system of the satellite communication portable station to control the Wei Tongbian portable station;

And receiving the feedback signal of the Wei Tongbian portable station by using the portable detection system of the satellite communication portable station, and detecting the real-time state of the Wei Tongbian portable station.