CN111245402A - Zero-phase digital filter convenient for voice prompt based on remote control - Google Patents
Zero-phase digital filter convenient for voice prompt based on remote control Download PDFInfo
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- CN111245402A CN111245402A CN202010155210.3A CN202010155210A CN111245402A CN 111245402 A CN111245402 A CN 111245402A CN 202010155210 A CN202010155210 A CN 202010155210A CN 111245402 A CN111245402 A CN 111245402A
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- digital filter
- phase digital
- filter
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- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0201—Wave digital filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a zero-phase digital filter convenient for voice prompt based on remote control, which comprises a shell body, a second filter plate, a first air pipe and a connecting end head, wherein a lifting handle is arranged on the upper surface of the shell body, the bottom end of the lifting handle is connected with a connecting cross rod through a screw, the connecting cross rod is connected with a shell body bearing, the left end and the right end of the connecting cross rod are connected with a threaded rod through a conical gear set, the bottom end of the threaded rod is connected with the shell body bearing, a connecting vertical rod is connected to the outer side of the upper part of the threaded rod through a thread, a fixed sucker is installed at the bottom end of the connecting vertical rod through a screw, the left side surface of the shell body is connected with the first filter plate in a clamping. This zero phase digital filter based on remote control is convenient for carry out voice prompt is provided with second tuber pipe and first tuber pipe to the dust removal is blown to first filter to the inside gaseous fine of first tuber pipe.
Description
Technical Field
The invention relates to the technical field of zero-phase digital filters, in particular to a zero-phase digital filter which is convenient for voice prompt based on remote control.
Background
The zero-phase digital filter is a device used for eliminating interference noise in a dynamic test signal processing process, and along with the continuous development of science and technology, the zero-phase digital filter can be remotely controlled, so that the zero-phase digital filter is more convenient for people to use, and although the types of the zero-phase digital filters on the market are many, the zero-phase digital filter has some defects, such as:
1. dust and impurities which are easy to enter the outside air can be accumulated at the voice prompt playing port of the traditional zero-phase digital filter after long-term use, and a large amount of dust and impurities can be accumulated after long-term use, so that the volume of voice prompt can be influenced, and the voice prompt work is inconvenient;
2. when the traditional zero-phase digital filter is placed, the bottom of the shell of the zero-phase digital filter is simply contacted with a placing area, the placing stability of the zero-phase digital filter cannot be improved, and thus the zero-phase digital filter can be displaced when being collided by the outside, and a connecting end can be loosened from an external connecting wire;
we propose a zero-phase digital filter for facilitating voice prompting based on remote manipulation in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a zero-phase digital filter which is convenient for voice prompt based on remote control, and aims to solve the problems that the traditional zero-phase digital filter in the market is inconvenient for voice prompt work and cannot improve the placing stability of the zero-phase digital filter in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a zero-phase digital filter convenient for voice prompt based on remote control comprises a shell body, a second filter plate, a first air pipe and a connecting end, wherein a handle is arranged on the upper surface of the shell body, the bottom end of the handle is connected with a connecting cross rod through a screw, the connecting cross rod is connected with a shell body bearing, the left end and the right end of the connecting cross rod are connected with a threaded rod through a conical gear set, the bottom end of the threaded rod is connected with the shell body bearing, a connecting vertical rod is connected with the outer side of the upper part of the threaded rod through a thread, a fixed sucker is installed on the bottom end of the connecting vertical rod through a screw, the left side surface of the shell body is connected with the first filter plate in a clamping manner, an installation plate is fixed on the inner screw of the first filter plate, the second air pipe is installed inside the bottom surface, and the bottom surface of the shell body is provided with a groove, the left side surface of the shell body is provided with a clamping groove, the inner part of the left side surface of the shell body is provided with a second filter plate through a screw, the upper surface of the shell body is provided with a placing groove, a handle is arranged in the placing groove, the inner part of the bottom surface of the shell body is fixed with a first air pipe through a screw, the second air pipe is arranged above the first air pipe through hot melting, and the front side surface of the shell body is provided with a connecting end through a screw.
Preferably, the handle all is inversion "U" shape structure with the standing groove, and the standing groove is unsmooth cooperation with the handle to the handle is the one-to-one setting with the standing groove.
Preferably, the number of the connecting cross rods and the threaded rods is 1:2, the connecting cross rods and the threaded rods are arranged in a vertical state, and the 2 threaded rods are symmetrically arranged relative to the vertical central line of the connecting cross rods.
Preferably, the connecting vertical rod and the fixed sucker both form a lifting structure with the shell body through a threaded rod, and the highest point of the fixed sucker is higher than the lowest point of the radiating fin.
Preferably, unsmooth cooperation is personally submitted with the left side of casing main part to first filter, and the inside mesh diameter of first filter is greater than the inside mesh diameter of second filter to first filter is not on same vertical face with being connected the montant.
Preferably, the inside equal fix with screw in upper and lower both ends of mounting panel has reset spring, and reset spring's top mounting screw has the lug to the bottom mounting screw of lug has the connection rope, connects the bottom of rope and the right-hand member outside screw connection of pull rod simultaneously, and the equal mounting screw in both sides about the right-hand member of pull rod has the stopper, and the outside of stopper is provided with the spacing groove, and the outside of spacing groove is fixed with the mounting panel.
Preferably, the bumps and the mounting plate form a sliding structure through the connecting rope, the number of the mounting plate and the bumps is 1:2, and the mounting plate is of a solid structure.
Preferably, the contained angle of second tuber pipe and first tuber pipe is 90, and first tuber pipe is "L" shape structure to the left end of first tuber pipe is the opening form setting, and the right-hand member of first tuber pipe is sealed form setting simultaneously, and the inside space of first tuber pipe is linked together through the inside space of second tuber pipe and casing main part.
Preferably, the grooves and the radiating fins are arranged in a staggered mode, and the radiating fins are arranged in a trapezoidal structure.
Compared with the prior art, the invention has the beneficial effects that: the zero-phase digital filter facilitating voice prompt based on remote control;
(1) the second air pipe and the first air pipe are arranged, the gas generated by heat dissipation inside the shell body can be conveyed to the right side of the first filter plate conveniently through the mutual matching of the second air pipe and the first air pipe, so that the gas generated by heat dissipation inside the shell body can blow the first filter plate leftwards, the gas generated by heat dissipation can be discharged conveniently, dust and impurities adhered to the first filter plate can be blown leftwards conveniently, the voice prompt broadcasting work is prevented from being influenced due to the blockage of the first filter plate, meanwhile, through the arrangement of the heat dissipation fins, the heat of the gas inside the first air pipe can be diffused outwards conveniently, and the gas inside the first air pipe can blow the first filter plate well for dust removal;
(2) the pull rod is arranged, the pull rod is pulled leftwards, so that the lug can be conveniently pulled through the connecting rope, the lug is separated from the corresponding clamping groove, the first filter plate can be conveniently disassembled, the first filter plate can be conveniently cleaned in a later period, and the first filter plate and the connecting vertical rod are not on the same horizontal plane, so that the connecting vertical rod cannot influence the disassembling work of the first filter plate in the later period;
(3) be fixed with the handle, rotate through manual to the handle and put down for the handle drives and connects the horizontal pole and rotate, connects the horizontal pole and drives the threaded rod through the bevel gear structure and rotate, makes the threaded rod drive outside threaded connection's connection montant when rotatory from this and descends and extrude fixed suction cup, thereby through fixed suction cup's setting, is convenient for improve the stability of placing of whole device, avoids later stage whole device to receive the collision and takes place the displacement.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a rotating top view of the handle of the present invention;
FIG. 5 is a schematic top view of the connection between the first and second air ducts according to the present invention;
FIG. 6 is a schematic bottom view of a heat sink fin according to the present invention;
FIG. 7 is a right side view of the first filter plate according to the present invention.
In the figure: 1. a housing main body; 2. a handle; 3. connecting the cross bars; 4. a threaded rod; 5. connecting the vertical rods; 6. fixing the sucker; 7. a first filter plate; 8. mounting a plate; 81. a return spring; 82. a bump; 83. connecting ropes; 84. a pull rod; 85. a limiting block; 86. a limiting groove; 9. a second air duct; 10. a groove; 11. a heat dissipating fin; 12. a card slot; 13. a second filter plate; 14. a placement groove; 15. a first air duct; 16. and connecting the terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a zero-phase digital filter convenient for voice prompt based on remote control comprises a shell body 1, a handle 2, a connecting cross rod 3, a threaded rod 4, a connecting vertical rod 5, a fixed sucker 6, a first filter plate 7, a mounting plate 8, a reset spring 81, a lug 82, a connecting rope 83, a pull rod 84, a limiting block 85, a limiting groove 86, a second air pipe 9, a groove 10, a radiating fin 11, a clamping groove 12, a second filter plate 13, a placing groove 14, a first air pipe 15 and a connecting end 16, wherein the upper surface of the shell body 1 is provided with the handle 2, the bottom end of the handle 2 is in screw connection with the connecting cross rod 3, the connecting cross rod 3 is in bearing connection with the shell body 1, the left end and the right end of the connecting cross rod 3 are both connected with the threaded rod 4 through a conical gear set, the bottom end of the threaded rod 4 is in bearing connection with the shell body 1, the outer side, the bottom end of the connecting vertical rod 5 is provided with a fixed sucker 6 through a screw, the left side surface of the shell body 1 is connected with a first filter plate 7 in a clamping mode, an installation plate 8 is fixed on the inner screw of the first filter plate 7, a second air pipe 9 is embedded and installed in the bottom surface of the shell body 1, a radiating fin 11 is installed on the outer side of the bottom surface of the shell body 1 through a screw, a groove 10 is formed in the bottom surface of the shell body 1, a clamping groove 12 is formed in the left side surface of the shell body 1, a second filter plate 13 is installed on the inner screw of the left side surface of the shell body 1, a placing groove 14 is formed in the upper surface of the shell body 1, a handle 2 is arranged in the placing groove 14, a first air pipe 15 is fixed on the bottom surface of the shell body 1 through a screw, a second air pipe 9 is installed above the;
the lifting handle 2 and the placing groove 14 are both in inverted U-shaped structures, the placing groove 14 is in concave-convex fit with the lifting handle 2, the lifting handle 2 and the placing groove 14 are arranged in one-to-one correspondence, and then the lifting handle 2 and the placing groove 14 are both in inverted U-shaped structures, and the placing groove 14 is in concave-convex fit with the lifting handle 2, so that the lifting handle 2 can be rotated into the placing groove 14 for placing in the later period, and the lifting handle 2 can be driven to rotate the connecting cross rod 3 when rotated;
the number of the connecting cross rods 3 and the threaded rods 4 is 1:2, the connecting cross rods 3 and the threaded rods 4 are arranged in a vertical state, the 2 threaded rods 4 are symmetrically arranged about the vertical central line of the connecting cross rods 3, and the two threaded rods 4 can be simultaneously driven to rotate through the connecting cross rods 3, so that the positions of the connecting vertical rods 5 can be simultaneously adjusted by the two threaded rods 4;
the connecting vertical rod 5 and the fixed sucker 6 form a lifting structure with the shell body 1 through the threaded rod 4, the highest point of the fixed sucker 6 is higher than the lowest point of the radiating fin 11, and the connecting vertical rod 5 is lifted to facilitate the connecting vertical rod 5 to extrude the fixed sucker 6, so that the fixed sucker 6 is well adsorbed and fixed with a placing area, and the placing stability of the whole device is improved;
the first filter plate 7 is in concave-convex fit with the left side of the shell body 1, the diameter of meshes in the first filter plate 7 is larger than that of meshes in the second filter plate 13, the first filter plate 7 and the connecting vertical rod 5 are not on the same vertical surface, and the first filter plate 7 is in concave-convex fit with the left side of the shell body 1 through the first filter plate 7, so that the first filter plate 7 can be conveniently installed and detached at a later stage;
the bump 82 and the mounting plate 8 form a sliding structure through the connecting rope 83, the number of the mounting plate 8 and the bump 82 is 1:2, the mounting plate 8 is of a solid structure, and the bump 82 and the clamping groove 12 can be conveniently separated through the sliding of the bump 82, so that the first filter plate 7 can be conveniently detached;
the included angle between the second air pipe 9 and the first air pipe 15 is 90 degrees, the first air pipe 15 is of an L-shaped structure, the left end of the first air pipe 15 is in an opening shape, meanwhile, the right end of the first air pipe 15 is in a sealing shape, the space inside the first air pipe 15 is communicated with the space inside the shell body 1 through the second air pipe 9, and further through the matching of the second air pipe 9 and the first air pipe 15, the conveying of the heat gas inside the shell body 1 is facilitated, so that the impurities on the surface of the first filter plate 7 can be blown off by the heat gas in the later period;
The working principle of the embodiment is as follows: when the zero-phase digital filter convenient for voice prompt based on remote control is used, firstly, as shown in figure 1, a user holds the handle 2 with a hand to lift the whole device into a working area, places the bottom of the whole device into a placement area after the device reaches the working area, then the worker manually rotates the handle 2 backwards, as shown in figure 4, the handle 2 rotates into a placement groove 14 in the upper surface of the shell body 1, then rotates a fastening screw connected with the internal thread at the left end of the handle 2, so that the bottom end of the fastening screw is in screw connection with the shell body 1, thereby ensuring the stability of the rotated handle 2, meanwhile, the handle 2 drives the connecting cross rod 3 fixed by the screw at the bottom end to rotate in the rotating process, the connecting cross rod 3 is connected with the shell body 1 as a bearing, and the connecting cross rod 3 drives the threaded rod 4 to rotate through the conical gear set structures at the left end and the right end when rotating, the threaded rod 4 is connected with the shell body 1 through a bearing, so that the threaded rod 4 drives the connecting vertical rod 5 in threaded connection with the outer side to descend when rotating, the connecting vertical rod 5 is enabled to extrude the fixed sucker 6 at the bottom end, the fixed sucker 6 can be well adsorbed and fixed with a placing area, the placing stability between the whole device and the placing area is improved, the phenomenon that the whole device is displaced due to external collision in the later period is avoided, and the working stability of the connecting end head 16 is improved;
then, the external connecting wire is connected with the connecting terminal 16, the whole device starts to filter, in the working process, the heat dissipation mechanism inside the shell body 1 dissipates heat of electrical components inside the whole device, at this time, certain heat gas is generated and needs to be discharged, at this time, as shown in the attached drawing and the attached drawing 5, the heat gas inside the shell body 1 enters the corresponding first air pipe 15 through the second air pipe 9, and then is discharged into the right side of the first filter plate 7 through the opening end at the left end of the first air pipe 15, and at the same time, as shown in the attached drawing 6, the heat energy of the heat gas inside the first air pipe 15 can be conducted out through the heat dissipation fins 11, so that the heat is discharged, therefore, the heat gas blows impurities and dust adhered to the first filter plate 7 leftwards, and the mesh inside of the first filter plate 7 is prevented from being blocked, so that the first filter plate 7 can well transmit the voice prompt sent by the loudspeaker in the shell body 1;
when the first filter plate 7 needs to be detached for cleaning, as shown in fig. 2, a user manually pulls the pull rod 84 to the left, the limiting block 85 at the outer side of the pull rod 84 slides in the limiting groove 86 to ensure that the pull rod 84 is stably pulled, the pull rod 84 pulls the two connecting ropes 83 fixed by the outer side screws when moving, so that the two connecting ropes 83 synchronously pull the lug 82 fixed by the top screw to separate the lug 82 from the corresponding clamping groove 12, then the first filter plate 7 is pulled to the left to separate the first filter plate 7 from the sealing gasket fixedly bonded on the outer side wall of the shell body 1, and then the first filter plate 7 can be detached, as shown in fig. 7, so that the first filter plate 7 is conveniently cleaned, the first filter plate 7 is conveniently used at a later stage, and the whole device is convenient for voice prompt work, after work, need remove other work areas with whole device after, as shown above, on the same principle, rotate handle 2 left end internal thread's fastening screw earlier for fastening screw's bottom separates with casing main part 1, then carries out the antiport with handle 2 and is vertical state as shown in figure 1, meanwhile, as shown on the same principle, make fixed suction cup 6 with place the region separation, then the hand is held handle 2 and can have removed, thereby accomplish a series of works.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a zero phase digital filter convenient to carry out voice prompt based on remote control, includes casing main part (1), second filter (13), first tuber pipe (15) and connects end (16), its characterized in that: the upper surface of the shell body (1) is provided with a handle (2), the bottom end of the handle (2) is in screw connection with a connecting cross rod (3), the connecting cross rod (3) is in bearing connection with the shell body (1), the left end and the right end of the connecting cross rod (3) are connected with a threaded rod (4) through a bevel gear set, the bottom end of the threaded rod (4) is in bearing connection with the shell body (1), the upper outer side of the threaded rod (4) is in threaded connection with a connecting vertical rod (5), the bottom end of the connecting vertical rod (5) is provided with a fixed sucker (6), the left side surface of the shell body (1) is in clamping connection with a first filter plate (7), a mounting plate (8) is fixed on the inner screw of the first filter plate (7), a second air pipe (9) is embedded and installed inside the bottom surface of the shell body (1), and a heat dissipation fin (11) is installed on the outer side, and the bottom surface of casing main part (1) is seted up flutedly (10), draw-in groove (12) have been seted up to the left surface of casing main part (1), and the inside screw mounting of the left surface of casing main part (1) has second filter (13) to standing groove (14) have been seted up to the upper surface of casing main part (1), the inside of standing groove (14) is provided with handle (2), the inside screw mounting in bottom surface of casing main part (1) has first tuber pipe (15), and the top hot melt of first tuber pipe (15) installs second tuber pipe (9) to casing main part (1) leading flank screw mounting has connecting end (16).
2. The zero-phase digital filter for facilitating voice prompts according to claim 1, wherein the zero-phase digital filter is based on remote control, and comprises: handle (2) all are inversion "U" shape structure with standing groove (14), and standing groove (14) are unsmooth cooperation with handle (2) to handle (2) are the one-to-one setting with standing groove (14).
3. The zero-phase digital filter for facilitating voice prompts according to claim 1, wherein the zero-phase digital filter is based on remote control, and comprises: the number of the connecting cross rods (3) and the threaded rods (4) is 1:2, the connecting cross rods (3) and the threaded rods (4) are arranged in a vertical state, and the 2 threaded rods (4) are symmetrically arranged about the vertical central line of the connecting cross rods (3).
4. The zero-phase digital filter for facilitating voice prompts according to claim 1, wherein the zero-phase digital filter is based on remote control, and comprises: the connecting vertical rod (5) and the fixed sucker (6) form a lifting structure with the shell body (1) through the threaded rod (4), and the highest point of the fixed sucker (6) is higher than the lowest point of the radiating fin (11).
5. The zero-phase digital filter for facilitating voice prompts according to claim 1, wherein the zero-phase digital filter is based on remote control, and comprises: first filter (7) are unsmooth cooperation with the left side of casing main part (1), and the inside mesh diameter of first filter (7) is greater than the inside mesh diameter of second filter (13) to first filter (7) are not on same vertical face with being connected montant (5).
6. The zero-phase digital filter for facilitating voice prompts according to claim 1, wherein the zero-phase digital filter is based on remote control, and comprises: the inside equal fix with screw in upper and lower both ends of mounting panel (8) has reset spring (81), and the top mounting screw of reset spring (81) has lug (82), and the bottom mounting screw of lug (82) has connection rope (83), connect the bottom of rope (83) and the right-hand member outside screw connection of pull rod (84) simultaneously, and the equal fix with screw in both sides has stopper (85) about the right-hand member of pull rod (84), and the outside of stopper (85) is provided with spacing groove (86), and the outside of spacing groove (86) is fixed with mounting panel (8).
7. The zero-phase digital filter for facilitating voice prompts according to claim 6, wherein the zero-phase digital filter is based on remote control, and comprises: the bumps (82) and the mounting plate (8) form a sliding structure through the connecting rope (83), the number of the mounting plate (8) and the bumps (82) is 1:2, and the mounting plate (8) is of a solid structure.
8. The zero-phase digital filter for facilitating voice prompts according to claim 1, wherein the zero-phase digital filter is based on remote control, and comprises: the contained angle of second tuber pipe (9) and first tuber pipe (15) is 90, and first tuber pipe (15) are "L" shape structure to the left end of first tuber pipe (15) is the opening form setting, and the right-hand member of first tuber pipe (15) is sealed form setting simultaneously, and the space inside first tuber pipe (15) is linked together through second tuber pipe (9) and the space inside casing main part (1).
9. The zero-phase digital filter for facilitating voice prompts according to claim 1, wherein the zero-phase digital filter is based on remote control, and comprises: the grooves (10) and the radiating fins (11) are arranged in a staggered mode, and the radiating fins (11) are arranged in a trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155210.3A CN111245402B (en) | 2020-03-09 | 2020-03-09 | Zero-phase digital filter convenient for voice prompt based on remote control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155210.3A CN111245402B (en) | 2020-03-09 | 2020-03-09 | Zero-phase digital filter convenient for voice prompt based on remote control |
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| Publication Number | Publication Date |
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| CN111245402A true CN111245402A (en) | 2020-06-05 |
| CN111245402B CN111245402B (en) | 2023-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180067A (en) * | 2020-10-14 | 2021-01-05 | 中国热带农业科学院南亚热带作物研究所 | Device for determining water and fertilizer retention of soil sample |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828363A2 (en) * | 1996-09-04 | 1998-03-11 | Texas Instruments Incorporated | Multicode modem with a plurality of analogue front ends |
| WO2017045163A1 (en) * | 2015-09-16 | 2017-03-23 | 尚平 | Miniature loudspeaker |
| CN109980646A (en) * | 2019-04-14 | 2019-07-05 | 浙江星明智能电气科技有限公司 | A kind of modular active filter and its compensation method |
-
2020
- 2020-03-09 CN CN202010155210.3A patent/CN111245402B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828363A2 (en) * | 1996-09-04 | 1998-03-11 | Texas Instruments Incorporated | Multicode modem with a plurality of analogue front ends |
| WO2017045163A1 (en) * | 2015-09-16 | 2017-03-23 | 尚平 | Miniature loudspeaker |
| CN109980646A (en) * | 2019-04-14 | 2019-07-05 | 浙江星明智能电气科技有限公司 | A kind of modular active filter and its compensation method |
Non-Patent Citations (1)
| Title |
|---|
| 纪跃波等: "零相位数字滤波器", 《重庆大学学报(自然科学版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180067A (en) * | 2020-10-14 | 2021-01-05 | 中国热带农业科学院南亚热带作物研究所 | Device for determining water and fertilizer retention of soil sample |
| CN112180067B (en) * | 2020-10-14 | 2022-05-17 | 中国热带农业科学院南亚热带作物研究所 | Device for determining water and fertilizer retention of soil sample |
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| Publication number | Publication date |
|---|---|
| CN111245402B (en) | 2023-07-07 |
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