CN104851325A - English teaching language learning system - Google Patents

Abstract

The invention relates to an English teaching language learning system. The English teaching language learning system comprises an input module for transmitting demand information of a remote user to an information acquisition module via an information conversion module connected with the input module, the input module comprises a voice input unit and a character input unit, the information conversion module converts voice information and character information to coding information via network transmission, the information conversion module also comprises a data encryption subunit used for data coding and data encryption, and a classification unit performs classification according to data coding. According to the English teaching language learning system, the user requirement, the preset scheme, and the combination mode are selected in the system by the adoption of three-dimensional matrices, and the adaptability is very high.

Description

A kind of Language for English learning system

Technical field

The present invention relates to teaching learning system field, particularly relate to a kind of Language for English learning system.

Background technology

English teaching system of the prior art, be generally unidirectional communication mode, terminal user selects corresponding teaching material by the demand of self, and user terminal is when selecting the mode of input, generally selected by the mode of systemic presupposition, can not select according to the real-time requirement of user in real time, system is according to the corresponding content of courses of procedure Selection preset, and system itself can not be carried out mating according to the data of self and calculate, thus, the bad adaptability of system.

In view of above-mentioned defect, creator of the present invention obtains this creation finally through research and practice.

Summary of the invention

The object of the present invention is to provide a kind of Language for English learning system, in order to overcome above-mentioned technological deficiency.

For achieving the above object, the invention provides a kind of Language for English learning system, it comprises load module, and the demand information of remote subscriber is conveyed through the info conversion module be connected and transfers in information acquisition module by it; Described load module comprises voice-input unit and text entry unit;

Described info conversion module, it converts voice and Word message to coded message, passes through Internet Transmission;

Described info conversion module also comprises data encryption subelement, while encoding to data, is encrypted data;

Described data encryption subelement is to the data encryption in message format, and initial key k0 is stored in the header, after data processing module receives enciphered message, use initial key k0 and the reserved key k1 stored in a database to decipher data message, thus obtain raw data.The modified value formula of key in ciphering process:

$\mathrm{\ΔK}=K_0+K_1\underset{m=1}{\overset{i}{\mathrm{\Σ}}}\sin (\mathrm{Am}+B)---\left(1\right)$

Ciphering process formula is

$\mathrm{\θ}=\underset{i=1}{\overset{16}{\mathrm{\Σ}}}\left[(\frac{k\left(i\right)-\mathrm{\Δk}}{2}-1)(\frac{k\left(i\right)+\mathrm{\Δk}}{2}-1)\right]---\left(2\right)$

Y＝X ^λ％(m*ΔK) (3)

Wherein, λ is encryption exponent, and from the number that (0, θ-1) random selecting one is relatively prime with θ, m is message SN, and Δ K is the modified value of key, and X is that expressly Y is ciphertext; Described ciphering process, different along with the difference of message SN m, prevent by the insecurity intercepted in data upload process, A, B are two constants;

Described data processing module comprises taxon and coding unit, wherein, described coding unit comprises receiving circuit, first the data that user terminal receives are changed by it, after data processing module process, process information is carried out compression coding, by communication network transmission to user terminal;

Described taxon is classified according to the coding of data, and when encoding to data, the sequence number of header is according to the sequence B preset ₀arrange, sequence B ₀classify according to the demand of client; Taxon is according to this sequence B ₀carry out arranging and screen.

Meanwhile, three-dimensional matrix group (B is stored in described database ₀, C ₀, D ₀), wherein, B ₀for sequence information, determine according to user's request; C ₀for the scheme type preset in database, D ₀for the mode of collocation, it is arranged in pairs or groups at random according to the demand of user and the scheme type preset, the array mode for user's request and scheme type stored in it; It is two-dimensional matrix, according to sequence number to there being corresponding array mode;

Described data processing module, according to the three-dimensional matrice group of the database selected, obtains and stores information accordingly, and transmit it in user terminal.

Further, described info conversion module comprises a coding circuit, the voice received and Word message are encoded by it, generate the coded data corresponded in this period, data transmission format comprises header, type of message and data, described header is the message SN needing transmission, and described data are the data after described process.

Further, described voice-input unit is earphone or sound collection device, and text entry unit is keyboard or character inputting device.

Further, the decrypting process that ciphering process is corresponding exists in a database in a deciphering module and carries out, and described decrypting process is

δ＝(1％θ)/λ (4)

X＝Y ^δ％(m*ΔK) (5)

Wherein, δ is decryption exponent, and X is that expressly Y is ciphertext;

The message format of described uploading data, shown in following table, storing message sequence number and initial key k0 in header, type of message reads from the message format received, and does not make any change, the data in data after storage encryption, ciphertext Y; After ciphering process completes, described data encryption subelement.

Further, described info conversion module is carried by the APP of user terminal, and the demand data of user terminal to own user is changed and encrypt; The APP of user terminal carries out communication by the data processing module of communication protocol and terminal.

Further, before the transmission data of data processing module to user process, first by information acquisition module, the electric current of transmission and voltage data are gathered; During current acquisition module samples wherein, get continuous print N at every turn ₁the individual cycle, sampling M ₁secondary, within each cycle, get an instantaneous value i, described data processing unit carries out calculating I according to the following equation _m,

$\left\{\begin{array}{c}i=\frac{\underset{k=1}{\overset{N_1}{\mathrm{\Σ}}}\sqrt{2}\×I_{m0k}\×\sin \left(\mathrm{wt}\right)}{N_1}\\ I_m=\frac{\underset{k=1}{\overset{M_1}{\mathrm{\Σ}}}{I}_{m0k}}{M_1}\end{array}\right.---\left(6\right)$

In formula, i represents the instantaneous value in any period, I _m0krepresent at N ₁electric current average amplitude in the individual cycle, I _mrepresent and calculate gained current amplitude, N ₁represent each sample period, M ₁represent sampling number of times, w represents signal transmission frequencies.

Further, described data processing module calculates according to following formula (7) the power calculation process of sampling,

$P_m=\frac{\underset{k=1}{\overset{M_1}{\mathrm{\Σ}}}{I}_{m0k}\×U_{m0k}}{M_1}---\left(7\right)$

In formula, P _mrepresent and calculate gained performance number, I _m0krepresent at N ₁electric current average amplitude in the individual cycle, U _m0krepresent at N ₁average voltage amplitude in the individual cycle, M ₁represent sampling number of times.

Beneficial effect of the present invention is compared with prior art: the present invention adopts three-dimensional matrice group by user's request, presupposed solution and array mode are selected in system, there is very large adaptability, avoid the single of the form of teaching caused according to fixing mode.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of Language for English learning system of the present invention.

Embodiment

Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.

Refer to shown in Fig. 1, it is the schematic diagram of Language for English learning system of the present invention, learning system of the present invention can according to the demand Auto-matching content of courses of user, the system of the embodiment of the present invention comprises load module 1, and the demand information of remote subscriber is conveyed through the info conversion module 2 be connected and transfers in information acquisition module 3 by it.

In the present embodiment, described load module 1 comprises voice-input unit 11 and text entry unit 12, user is by language or Keyboard language input, user terminal by pronunciation or the mode of handwriting input by information transmission in info conversion module, so that, promote the verbal learning ability of English, when spoken language can not be carried out link up, confirm word pronunciation by text event detection.

In the present embodiment, voice-input unit 11 is earphone or sound collection device, and text entry unit 12 is keyboard or character inputting device.

Described info conversion module 2, it converts voice and Word message to coded message, passes through Internet Transmission.Described info conversion module 2 comprises a coding circuit, and the voice received and Word message are encoded by it, generates the coded data corresponded in this period.In the present embodiment, data transmission format comprises header, type of message and data, and described header is the message SN needing transmission, and described data are the data after described process.

Described info conversion module 2 also comprises data encryption subelement, while encoding to data, is encrypted data, prevents from being intercepted in upload procedure, ensure that the security of signal.Data are encrypted, described data encryption subelement is to the data encryption in message format, and initial key k0 is stored in the header, after data processing module 4 receives enciphered message, use initial key k0 and the reserved key k1 be stored in database 7 to decipher data message, thus obtain raw data.The modified value formula of key in ciphering process:

$\mathrm{\ΔK}=K_0+K_1\underset{m=1}{\overset{i}{\mathrm{\Σ}}}\sin (\mathrm{Am}+B)---\left(1\right)$

Ciphering process formula is

$\mathrm{\θ}=\underset{i=1}{\overset{16}{\mathrm{\Σ}}}\left[(\frac{k\left(i\right)-\mathrm{\Δk}}{2}-1)(\frac{k\left(i\right)+\mathrm{\Δk}}{2}-1)\right]---\left(2\right)$

Y＝X ^λ％(m*ΔK) (3)

Wherein, λ is encryption exponent, and from the number that (0, θ-1) random selecting one is relatively prime with θ, m is message SN, and Δ K is the modified value of key, and X is that expressly Y is ciphertext.Described ciphering process, different along with the difference of message SN m, prevent by the insecurity intercepted in data upload process, A, B are two constants.

Described is the modified value Δ K of key, changes along with the difference of sequence number m, thus causes encryption exponent in cryptographic algorithm different, thus increases the security of key.Key k1 is one group of 16 character string, and key k0 is stored in advance in database 7, and along with the transmission of data, key k1 change causes Δ K to change, but key k0 does not change.

The decrypting process that above-mentioned ciphering process is corresponding exists in a deciphering module and carries out in database 7, and described decrypting process is

δ＝(1％θ)/λ (4)

X＝Y ^δ％(m*ΔK) (5)

Wherein, δ is decryption exponent, and X is that expressly Y is ciphertext.

The message format of described uploading data, shown in following table, storing message sequence number and initial key k0 in header, type of message reads from the message format received, and does not make any change, the data in data after storage encryption, ciphertext Y.After ciphering process completes, described data encryption subelement

After ciphering process completes, ciphertext is uploaded in data processing module 4 by described data encryption subelement 234.To needing the data uploaded to be encrypted before data upload, and key changes along with message SN m, prevents data in upload procedure from being intercepted and preventing encryption method to be cracked, ensure that the security of data.

In the present embodiment, in order to the convenience that adding users uses, described info conversion module 2 is carried by the APP of user terminal, and the demand data of user terminal to own user is changed and encrypt.The APP of user terminal carries out communication by the data processing module 4 of communication protocol and terminal.

Before the transmission data of data processing module 4 couples of users process, first by information acquisition module 3, the electric current of transmission and voltage data are gathered; During current acquisition module samples wherein, get continuous print N at every turn ₁the individual cycle, sampling M ₁secondary, within each cycle, get an instantaneous value i, described data processing unit carries out calculating I according to the following equation _m,

$\left\{\begin{array}{c}i=\frac{\underset{k=1}{\overset{N_1}{\mathrm{\Σ}}}\sqrt{2}\×I_{m0k}\×\sin \left(\mathrm{wt}\right)}{N_1}\\ I_m=\frac{\underset{k=1}{\overset{M_1}{\mathrm{\Σ}}}{I}_{m0k}}{M_1}\end{array}\right.---\left(6\right)$

In formula, i represents the instantaneous value in any period, I _m0krepresent at N ₁electric current average amplitude in the individual cycle, I _mrepresent and calculate gained current amplitude, N ₁represent each sample period, M ₁represent sampling number of times, w represents signal transmission frequencies.

Through the above-mentioned current amplitude I calculated _mjudge that whether it is at predetermined threshold value I ₁~ I ₂in scope, if so, then conclude that described current failure exists, if not, then re-start sampling and judge.

The method of sampling of voltage acquisition module is identical with the method for sampling of described electric current, instantaneous voltage u and current instantaneous value i is sampled at synchronization simultaneously, computing formula, for the current information in (6) is replaced to corresponding information of voltage, draws voltage magnitude u _m.

The power calculation process of described data processing module to sampling calculates according to following formula (7).

$P_m=\frac{\underset{k=1}{\overset{M_1}{\mathrm{\Σ}}}{I}_{m0k}\×U_{m0k}}{M_1}---\left(7\right)$

In formula, P _mrepresent and calculate gained performance number, I _m0krepresent at N ₁electric current average amplitude in the individual cycle, U _m0krepresent at N ₁average voltage amplitude in the individual cycle, M ₁represent sampling number of times.

Electric current in the present invention and the collection of voltage signal, sample to the information in the Multi sectional multicycle, the optional position of sampled point within each cycle, carries out the determination of current amplitude according to formula (1); According to electric current, voltage parameter rated output, make the standard of data acquisition consistent, closer to actual signal.

Described data processing module 4 comprises taxon 41 and coding unit 42, wherein, described coding unit 42 comprises receiving circuit, first the data that user terminal receives are changed by it, after data processing module 4 processes, process information is carried out compression coding, transfers to user terminal 7 by communication network 6.

Described taxon 41 is classified according to the coding of data, and when encoding to data, the sequence number of header is according to the sequence B preset ₀arrange, sequence B ₀classify according to the demand of client; Taxon 41 is according to this sequence B ₀carry out arranging and screen.

Meanwhile, three-dimensional matrix group (B is stored in described database 7 ₀, C ₀, D ₀), wherein, B ₀for sequence information, determine according to user's request; C ₀for the scheme type preset in database, D ₀for the mode of collocation, it is arranged in pairs or groups at random according to the demand of user and the scheme type preset, the array mode for user's request and scheme type stored in it; It is two-dimensional matrix, according to sequence number to there being corresponding array mode.

Described data processing module 4, according to the three-dimensional matrice group of the database 7 selected, obtains and stores information accordingly, and transmit it in user terminal 6.

The present invention adopts three-dimensional matrice group by user's request, and presupposed solution and array mode are selected in system, has very large adaptability, avoids the single of the form of teaching caused according to fixing mode.

The foregoing is only preferred embodiment of the present invention, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.

Claims (7)

1. a Language for English learning system, is characterized in that, it comprises load module, and the demand information of remote subscriber is conveyed through the info conversion module be connected and transfers in information acquisition module by it; Described load module comprises voice-input unit and text entry unit;

Described info conversion module, it converts voice and Word message to coded message, passes through Internet Transmission;

Described info conversion module also comprises data encryption subelement, while encoding to data, is encrypted data;

Described data encryption subelement is to the data encryption in message format, and initial key k0 is stored in the header, after data processing module receives enciphered message, use initial key k0 and the reserved key k1 stored in a database to decipher data message, thus obtain raw data.The modified value formula of key in ciphering process:

Ciphering process formula is

Y＝X ^λ％(m*ΔK) (3)

Wherein, λ is encryption exponent, and from the number that (0, θ-1) random selecting one is relatively prime with θ, m is message SN, and Δ K is the modified value of key, and X is that expressly Y is ciphertext; Described ciphering process, different along with the difference of message SN m, prevent by the insecurity intercepted in data upload process, A, B are two constants;

Described data processing module comprises taxon and coding unit, wherein, described coding unit comprises receiving circuit, first the data that user terminal receives are changed by it, after data processing module process, process information is carried out compression coding, by communication network transmission to user terminal;

Described taxon is classified according to the coding of data, and when encoding to data, the sequence number of header is according to the sequence B preset ₀arrange, sequence B ₀classify according to the demand of client; Taxon is according to this sequence B ₀carry out arranging and screen;

Meanwhile, three-dimensional matrix group (B is stored in described database ₀, C ₀, D ₀), wherein, B ₀for sequence information, determine according to user's request; C ₀for the scheme type preset in database, D ₀for the mode of collocation, it is arranged in pairs or groups at random according to the demand of user and the scheme type preset, the array mode for user's request and scheme type stored in it; It is two-dimensional matrix, according to sequence number to there being corresponding array mode;

Described data processing module, according to the three-dimensional matrice group of the database selected, obtains and stores information accordingly, and transmit it in user terminal.

2. Language for English learning system according to claim 1, it is characterized in that, described info conversion module comprises a coding circuit, the voice received and Word message are encoded by it, generate the coded data corresponded in this period, data transmission format comprises header, type of message and data, and described header is the message SN needing transmission, and described data are the data after described process.

3. Language for English learning system according to claim 1, is characterized in that, described voice-input unit is earphone or sound collection device, and text entry unit is keyboard or character inputting device.

4. Language for English learning system according to claim 1, is characterized in that, the decrypting process that ciphering process is corresponding exists in a database in a deciphering module and carries out, and described decrypting process is

δ＝(1％θ)/λ (4)

X＝Y ^δ％(m*ΔK) (5)

Wherein, δ is decryption exponent, and X is that expressly Y is ciphertext;

The message format of described uploading data, shown in the table in instructions, storing message sequence number and initial key k0 in header, type of message reads from the message format received, and does not make any change, the data in data after storage encryption, ciphertext Y; After ciphering process completes, described data encryption subelement.

5. Language for English learning system according to claim 4, is characterized in that, described info conversion module is carried by the APP of user terminal, and the demand data of user terminal to own user is changed and encrypt; The APP of user terminal carries out communication by the data processing module of communication protocol and terminal.

6. Language for English learning system according to claim 4, is characterized in that, before the transmission data of data processing module to user process, first the electric current of transmission and voltage data is gathered by information acquisition module; During current acquisition module samples wherein, get continuous print N at every turn ₁the individual cycle, sampling M ₁secondary, within each cycle, get an instantaneous value i, described data processing unit carries out calculating I according to the following equation _m,

In formula, i represents the instantaneous value in any period, I _m0krepresent at N ₁electric current average amplitude in the individual cycle, I _mrepresent and calculate gained current amplitude, N ₁represent each sample period, M ₁represent sampling number of times, w represents signal transmission frequencies.

7. Language for English learning system according to claim 6, is characterized in that, described data processing module calculates according to following formula (7) the power calculation process of sampling,

In formula, P _mrepresent and calculate gained performance number, I _m0krepresent at N ₁electric current average amplitude in the individual cycle, U _m0krepresent at N ₁average voltage amplitude in the individual cycle, M ₁represent sampling number of times.