CN105182316B - A kind of beam synthesizing method, device and supersonic imaging apparatus - Google Patents
A kind of beam synthesizing method, device and supersonic imaging apparatus Download PDFInfo
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- CN105182316B CN105182316B CN201510670733.0A CN201510670733A CN105182316B CN 105182316 B CN105182316 B CN 105182316B CN 201510670733 A CN201510670733 A CN 201510670733A CN 105182316 B CN105182316 B CN 105182316B
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- G—PHYSICS
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
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Abstract
The embodiment of the present invention provides a kind of beam synthesizing method, device and supersonic imaging apparatus.Beam synthesizing method includes：Obtain the point-by-point delay data of ultrasonic probe channel；According to compress mode, the point-by-point delay data is compressed, obtains compressed data；The compressed data is sent to the hardware of ultrasonic image-forming system so that the hardware can decompress the compressed data and obtain the point-by-point delay data and carry out Beam synthesis according to the point-by-point delay data according to the compress mode.The embodiment of the present invention can improve the focusing accuracy of ultrasonic beam synthesis.
Description
Technical field
The present embodiments relate to a kind of ultrasonic imaging field more particularly to beam synthesizing method, device and ultrasonic imagings
Equipment.
Background technology
Ultrasonic beam synthesis is one of core processing step of ultrasonic imaging, and focusing accuracy is directly related to ultrasonic imaging
Picture quality.Precision of the focusing accuracy dependent on the delay value of the obtained point-by-point focusing of hardware.At present make hardware obtain by
The realization of point focusing delay value mainly by software or tables look-up and provides the accurate delay of part focus point, is handed down to hardware, firmly
Part estimates the corresponding delay value of each sampled point by simple interpolation.In this way, only part focus point has accurate delay
And the delay of other focus points is inaccurate, can not ensure the coherence between echo in theory, so as to influence focusing accuracy,
The effect of Beam synthesis is reduced, picture quality will certainly be influenced.
Invention content
The embodiment of the present invention provides a kind of beam synthesizing method, device and supersonic imaging apparatus, to improve ultrasonic beam conjunction
Into focusing accuracy.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides following technical solution：
The embodiment of the present invention provides a kind of beam synthesizing method, including：
Obtain the point-by-point delay data of ultrasonic probe channel；
According to compress mode, the point-by-point delay data is compressed, obtains compressed data；
The compressed data is sent to the hardware of ultrasonic image-forming system so that the hardware can be according to the compression side
Formula decompresses the compressed data and obtains the point-by-point delay data and carry out wave beam conjunction according to the point-by-point delay data
Into.
The embodiment of the present invention also provides a kind of beam synthesizer, including：
Acquisition module, for obtaining the point-by-point delay data of ultrasonic probe channel；
Compression module, for according to compress mode, compressing the point-by-point delay data, obtaining compressed data；
Sending module, for the compressed data to be sent to the hardware of ultrasonic image-forming system so that the hardware can
According to the compress mode, decompress the compressed data and obtain the point-by-point delay data and according to the point-by-point delay
Data carry out Beam synthesis.
The embodiment of the present invention also provides a kind of supersonic imaging apparatus for including above-described beam synthesizer.
The embodiment of the present invention at least has the advantages that：
By way of hardware is sent to after point-by-point delay data is compressed, is decompressed by hardware so that hardware can obtain
To accurate point-by-point delay data, compared with the situation that existing hardware only obtains the accurate point-by-point delay data in part, carry out
The focusing accuracy higher that Beam synthesis is realized.
Description of the drawings
Fig. 1 is a kind of step flow chart of beam synthesizing method provided in an embodiment of the present invention；
Fig. 2 is the configuration diagram that better embodiment provides；
Fig. 3 is a kind of structure diagram of beam synthesizer provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is a kind of step flow chart of beam synthesizing method provided in an embodiment of the present invention, and with reference to Fig. 1, the present invention is real
It applies example and a kind of beam synthesizing method is provided, include the following steps：
Step 101, the point-by-point delay data of ultrasonic probe channel is obtained；
Step 102, according to compress mode, the point-by-point delay data is compressed, obtains compressed data；
Step 103, the compressed data is sent to the hardware of ultrasonic image-forming system so that the hardware can be according to institute
State compress mode, decompress the compressed data obtain the point-by-point delay data and according to the point-by-point delay data into
Row Beam synthesis.
As it can be seen that by the above-mentioned means, by being sent to hardware, the side decompressed by hardware after point-by-point delay data is compressed
Formula so that hardware can obtain accurate point-by-point delay data, and the accurate point-by-point delay number in part is only obtained with existing hardware
According to situation compare, carry out Beam synthesis realization focusing accuracy higher.
Wherein, the point-by-point delay data can include that there are multiple sampling time points of time-series respectively to correspond to
Delay value.Specifically, in multiple sampling time points two-by-two in adjacent time point, the corresponding delay value of latter time point with it is previous
The difference of time point corresponding delay value can be 0 or 1.For example, multiple sampling time points can be time point t0, t1 successively,
T2 ... ..., t20, corresponding delay value can be successively：Initial time delay value (T0), T0+ 1, T0+ 2, T0+ 3, T0+ 3, T0+ 4, T0
+ 4, T0+ 5, T0+ 5, T0+ 5, T0+ 6, T0+ 6, T0+ 6, T0+ 6, T0+ 7, T0+ 7, T0+ 7, T0+ 7, T0+ 7, T0+ 8, T0+8；Periodically adopt
In the case of sample, the time interval between consecutive sampling times point is sampling time interval.
It is described according to compress mode, compress the point-by-point delay data, obtaining compressed data can include：
According to the correspondence between the multiple sampling time point and the delay value, the multiple sampling time is determined
Delay value is corresponded in point and the difference of the corresponding upper delay value of a sampling time point is the update sampling time point of setting value thereon,
Relative to the incremental time for the earliest sampling time point that a upper delay value is corresponded in the multiple sampling time point；
Calculate the ratio of each incremental time and sampling time interval；
According to coding mode, bits of encoded is carried out respectively to each ratio, obtains coded data；
By all coded datas according to the earliest sampling time point corresponding to the corresponding incremental time
Time order and function is ranked sequentially, and obtains coding data sequences；
The designation date of each bit position of the coded data in the coding data sequences of generation instruction；
According to combination, by the corresponding initial time delay value of earliest sampling time point, institute in the multiple sampling time point
It states designation date and the coding data sequences is combined, obtain the compressed data；
It is described according to the compress mode, decompressing the compressed data and obtaining the point-by-point delay data can include：
According to the combination, solution is combined into the initial time delay value, the designation date from the compressed data
With the coding data sequences；
According to the designation date, all coded datas are parsed from the coding data sequences；
According to the coding mode, bit decoding is carried out respectively to each coded data, obtains each ratio；
Each ratio and the product of the sampling time interval are calculated, obtains each incremental time；
According to the setting value, the initial time delay value and whole incremental times, determine in all delay values
Other each delay values other than the initial time delay value；
It is described to be included according to the point-by-point delay data progress Beam synthesis：
According to the initial time delay value and other described each delay values, the Beam synthesis is carried out.
Still connect above example, the correspondence include t0, t1, t2 ..., t20 respectively with T0、T0+ 1, T0+ 2,
T0+ 3, T0+ 3, T0+ 4, T0+ 4, T0+ 5, T0+ 5, T0+ 5, T0+ 6, T0+ 6, T0+ 6, T0+ 6, T0+ 7, T0+ 7, T0+ 7, T0+ 7, T0+ 7, T0+
8, T0+ 8 correspond to；The setting value is 1；It is described update sampling time point be respectively t1, t2, t3, t5, t7, t10, t14 and
T19, corresponding delay value are respectively T0+1、T0+2、T0+3、T0+4、T0+5、T0+6、T0+ 7 and T0+ 8, corresponding upper one
Sampling time point is respectively t0, t1, t2, t4, t6, t9, t13 and t18, and a corresponding upper delay value is respectively T0、T0+1、
T0+2、T0+3、T0+4、T0+5、T0+ 6 and T0+ 7, corresponding earliest sampling time point be respectively t0, t1, t2, t3, t5, t7,
T10 and t14, corresponding incremental time are respectively t1-t0, t2-t1, t3-t2, t5-t3, t7-t5, t10-t7, t14-t10
And t19-14, if sampling time interval is deltT, then corresponding ratio is respectively 1,1,1,2,2,3,4 and 5.Accordingly
Ground, to these ratios carry out bits of encoded after, respectively obtain bit wide be 13 ratios 1,1,1, bit wide be 24 ratios 2,
2nd, 3,4 and bit wide be 51 ratio 5.As it can be seen that the data volume sent in this way is much smaller.
Wherein, the compressed data can include data packet, and the designation date can include bit wide bit data and divide
Section bit data, the indicated number of each bit position of the coded data in the coding data sequences of generation instruction
According to can include：
The coding data sequences are divided into multiple segmentations, wherein, each segmentation in the multiple segmentation includes institute
Need at least one coded data that bit wide is identical；
It generates to indicate respectively the bit wide bit data for being each segmented the corresponding bit wide；
Generate the segmentation for indicating respectively bit position of each segmentation in the coding data sequences
Bit data；
It is described according to combination, by the corresponding initial time delay of earliest sampling time point in the multiple sampling time point
Value, the designation date and the coding data sequences are combined, and obtaining the compressed data can include：
The first field, the second field and third field in the packet header of the data packet add the initial time delay respectively
Value, all the bit wide bit data and all the segmentation bits data obtain addition packet header；
The coding data sequences are added in the payload of the data packet, obtain addition payload；
The addition packet header and the addition payload are spliced into the data packet；
It is described according to the combination, the initial time delay value, the indicated number are parsed from the compressed data
It can include according to the coding data sequences：
Parsed respectively from first field, second field and the third field initial time delay value,
All the bit wide bit data and all the segmentation bits data；
The coding data sequences are parsed from the addition payload of the data packet；
It is described according to the designation date, all coded datas are parsed from the coding data sequences to wrap
It includes：
According to the bit wide bit data, determine described to be each segmented the corresponding bit wide；
According to the segmentation bits data, bit position of each segmentation in the coding data sequences is determined；
The corresponding bit wide and the bit position in the coding data sequences are each segmented according to described, determines institute
State the ratio of each coded data at least one coded data for being each segmented and including described in coding data sequences
Special position；
According to identified bit position, each coded data being successively read in the coding data sequences；
It is described according to the setting value, the initial time delay value and whole incremental times, determine all delays
Other each delay values in value other than the initial time delay value can include：
By the initial time delay value, respectively as from the corresponding earliest sampling time point of earliest time increment to described
The corresponding delay value of whole sampling time points institute of upper sampling time point, when the earliest time increment is all described
Between the earliest incremental time of the corresponding earliest sampling time point in increment；
For subsequent each incremental time other than latest time increment, will increase each time successively
The delay value corresponding to the corresponding update sampled point is measured, respectively as corresponding described earliest from each incremental time
Sampling time point is to the corresponding delay value of whole sampling time points institute of the upper sampling time point, the latest time
Increment is the incremental time of the corresponding earliest sampling time point the latest in all incremental times；
By the latest time increment it is corresponding it is described update sampled point corresponding to delay value, respectively as the multiple
The remaining sampling time corresponding delay value of point in sampling time point.
Here, bit position can for example be represented with initial bits position and termination bit position.Obtain each segmentation
Bit position, and the bit wide of each segmentation is known, with regard to the start-stop bit position of coded data each in being segmented.
Wherein, the packet header can have and be sized.
To illustrate the embodiment of the present invention clearer, the better embodiment of the embodiment of the present invention is given below.
This better embodiment is every corresponding to every bit sampled point it is considered that synthesize a ultrasonoscopy scan line
Delay needed for one probe crystal according to the geometrical relationship between the position of probe and scan line, is all shown as with work depth
Increase there is monotone increasing and first derivative monotonic decreasing and go to zero wait characters.
Patent CN103454640 A disclose a kind of ultrasonic image-forming system framework uploaded based on radio frequency (RF) data, this
Embodiment of the better embodiment based on the framework is as shown in Fig. 2, software realizes most data calculating, including point-by-point
The calculating of delay is focused on, hardware is only completed control function, has " software definition ultrasound (Software Defined
Ultrasound feature) ".Specific embodiment is：
1. based on the ultrasonic system that a rf data uploads, including all-purpose computer (PC), data transmission FPGA, transmitting
Receive FPGA, radiating circuit, receiving circuit；
2. operating in the software on all-purpose computer (PC), scan control relevant parameter is calculated；
3. simultaneously, which calculates the point-by-point delay number of each channel according to probe array element and the geometrical relationship of focus
According to；Sample rate is f, and sampling time interval 1/f, the precision of delay data is 0.5/f；
4. simultaneously, which compresses point-by-point delay data, compression side according to features such as the monotone increasings of point-by-point delay data
Method is：
A) the point-by-point delay data of each channel, using fragmented storage mode；
B) delay data packet header fixation 20bit, for describing segmented mode；
C) meaning of delay data is that delay value increment adds 1 sampling time point；
D) it is specifically stored using following form：
a)Ns:The segments of delay data, bit wide 4bits represent that this group of data are divided into how many sections；
b)Beam synthesis time started, 16bits, that is, initial time delay；
c)Kth section onset time,16bits, k=1,2 ..., Ns, it is exactly kth segment data
Start the effective time, when Beam synthesis is to the time, start the data with K sections
d)The bit wide of each data of kth section,4bits, k=1,2 ..., Ns
e)The delayed updating number occurred within k times, the starting bit positions per one piece of dataFinal position is：It describes in each section, there is multiple delay data update (to add 1
Operation), the total length of data of " hop count " x " bit wide "=each section calculates each section of total length of data, is known that each hop count
According to wherefrom starting, wherefrom terminate, reading when can accurately read.
Wherein, initial time delay is the Common Parameters in ultrasound, specially the ultrasonic reflections depth zero time, exactly starts to connect
Withdraw the time of wave.
Followed by be exactly incremental time data, since the initial time delay that front is said, accumulation interval incremental data, so that it may
To obtain the sampling time point that Beam synthesis delay value adds 1 every time, so as to restore the delay of Beam synthesis point-by-point focusing.
5. then, which is packaged scan control parameter and point-by-point delay parameter with certain rule, then passes through biography
Scan control parameter and compressed point-by-point delay data are handed down to FPGA by defeated channel, such as PCIe, USB etc.；
6. data transmission FPGA receives sweep parameter, and is stored in external memory DDR3；
7. start ultrasonic scanning, the scan control module in data transmission FPGA reads the scan control ginseng in DDR3
Number is sent to transmitting and receives FPGA (including compressed point-by-point focusing parameter), and in sequence；
8. transmitting receives FPGA and receives scan control parameter, according to compression method recited above, point-by-point delay is decompressed, is used
In receiving Beam synthesis, point-by-point focusing is realized.
Specific decompression mode, is exactly the compress mode according to front, and parsing data convert goes out point-by-point delay：
Packet header is read, obtains data sectional number and initial time delay；
Packet header is read, obtains the bit wide per segment data and onset time, calculates the total length per segment data, and then is obtained every
The start-stop position of segment data；
According to the start-stop position of every segment data and bit wide, read latch increment is superimposed with initial time delay, obtains Beam synthesis
Delay value increment adds 1 sampling time point, restores point-by-point delay.
Radio frequency (RF) data after point-by-point focusing Beam synthesis, are uploaded to data transmission FPGA, data transmission FPGA is not done
Radio frequency (RF) data are directly directly uploaded to PC by any processing；
PC is based on radio frequency (RF) data, does signal processing, and show image.
The compression effectiveness obtained by this better embodiment, the delay data size of each channel be it is different, most
For big data volume in the farthest channel of range sweep line, 4096 sampled points, the data volume of the 128th channel only has a 1kbit left sides
The right side, compression effectiveness are considerable.
Fig. 3 is a kind of structure diagram of beam synthesizer provided in an embodiment of the present invention, and with reference to Fig. 3, the present invention is implemented
Example also provides a kind of beam synthesizer, including：
Acquisition module 401, for obtaining the point-by-point delay data of ultrasonic probe channel；
Compression module 402, for according to compress mode, compressing the point-by-point delay data, obtaining compressed data；
Sending module 403, for the compressed data to be sent to the hardware of ultrasonic image-forming system so that the hardware energy
Enough according to the compress mode, decompress the compressed data and obtain the point-by-point delay data and prolonged point by point according to described
When data carry out Beam synthesis.
As it can be seen that by the above-mentioned means, by being sent to hardware, the side decompressed by hardware after point-by-point delay data is compressed
Formula so that hardware can obtain accurate point-by-point delay data, and the accurate point-by-point delay number in part is only obtained with existing hardware
According to situation compare, carry out Beam synthesis realization focusing accuracy higher.
Wherein, the point-by-point delay data can include that there are multiple sampling time points of time-series respectively to correspond to
Delay value.
The compression module 402 can include：
First determination unit, for according to the correspondence between the multiple sampling time point and the delay value, really
The difference for correspond to a delay value upper delay value corresponding with a sampling time point thereon in fixed the multiple sampling time point is to set
The update sampling time point of value, relative to the earliest sampling time that a upper delay value is corresponded in the multiple sampling time point
The incremental time of point；
First computing unit, for calculating the ratio of each incremental time and sampling time interval；
Coding unit, for according to coding mode, carrying out bits of encoded respectively to each ratio, obtaining coded number
According to；
Arrangement units, for by all coded datas according to the corresponding incremental time corresponding to it is described earliest
The sampling time time order and function of point is ranked sequentially, and obtains coding data sequences；
Generation unit indicates each bit position of the coded data in the coding data sequences for generating
Designation date；
Assembled unit, it is for according to combination, sampling time point earliest in the multiple sampling time point is corresponding
Initial time delay value, the designation date and the coding data sequences are combined, and obtain the compressed data；
It is described according to the compress mode, decompressing the compressed data and obtaining the point-by-point delay data can include：
Assembled unit is solved, for according to the combination, solution to be combined into the initial time delay from the compressed data
Value, the designation date and the coding data sequences；
Resolution unit, for according to the designation date, all codings to be parsed from the coding data sequences
Data；
Decoding unit, for according to the coding mode, carrying out bit decoding respectively to each coded data, obtaining
Each ratio；
Second computing unit for calculating the product of each ratio and the sampling time interval, obtains each described
Incremental time；
Second determination unit, for according to the setting value, the initial time delay value and whole incremental times, determining
All other each delay values in the delay value other than the initial time delay value；
It is described to be included according to the point-by-point delay data progress Beam synthesis：
Synthesis unit, for according to the initial time delay value and other described each delay values, carrying out the Beam synthesis.
Wherein, the compressed data can include data packet, and the designation date can include bit wide bit data and divide
Section bit data, the generation unit can include：
Subelement is divided, for the coding data sequences to be divided into multiple segmentations, wherein, in the multiple segmentation
Each segmentation includes the identical at least one coded data of required bit wide；
First generation subelement, for generating to indicate respectively the institute's rheme for being each segmented the corresponding bit wide
Wide bit data；
Second generation subelement, for generating to indicate respectively each segmentation in the coding data sequences
The segmentation bits data of bit position；
The assembled unit can include：
First addition subelement, for the first field, the second field and the third field in the packet header of the data packet
The initial time delay value, all the bit wide bit data and all the segmentation bits data are added respectively, obtain addition packet
Head；
Second addition subelement, for adding the coding data sequences in the payload of the data packet, it is net to obtain addition
Lotus；
Splice subelement, for the addition packet header and the addition payload to be spliced into the data packet；
The solution assembled unit can include：
First parsing subunit, for being solved respectively from first field, second field and the third field
The initial time delay value, all the bit wide bit data and all the segmentation bits data is precipitated；
Second parsing subunit, for parsing the coding data sequences from the addition payload of the data packet；
The resolution unit can include：
First determination subelement, for according to the bit wide bit data, determining described to be each segmented corresponding institute's rheme
It is wide；
Second determination subelement, for according to the segmentation bits data, determining each segmentation in the coded number
According to the bit position in sequence；
Third determination subelement, for being each segmented the corresponding bit wide and in the coding data sequences according to described
In bit position, determine each to be segmented described in the coding data sequences at least one coded data included every
The bit position of a coded data；
Reading subunit, for according to identified bit position, being successively read each in the coding data sequences
The coded data；
Second determination unit can include：
First assignment subelement, for by the initial time delay value, respectively as corresponding described from earliest time increment
Earliest sampling time point to the upper sampling time point the corresponding delay value of whole sampling time points institute, it is described earliest
The incremental time incremental time earliest for the corresponding earliest sampling time point in all incremental times；
Second assignment subelement, for for subsequent each incremental time other than latest time increment,
Successively by the corresponding update sampled point of each incremental time corresponding to delay value, respectively as from it is each described when
Between whole sampling time points of the increment corresponding earliest sampling time point to the upper sampling time point respectively correspond to
Delay value, the latest time increment is the whole institute of the corresponding earliest sampling time point the latest in the incremental times
State incremental time；
Third assignment subelement, for by the latest time increment it is corresponding it is described update sampled point corresponding to delay
Value, respectively as the sampling time corresponding delay value of point remaining in the multiple sampling time point.
Wherein, the packet header can have and be sized.
The embodiment of the present invention also provides a kind of supersonic imaging apparatus, and the supersonic imaging apparatus includes above-described wave beam
Synthesizer.
Above method embodiment is referred to for illustrating for present apparatus embodiment various aspects, details are not described herein.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to the technical side of the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain that claims of the present invention determines.
Claims (9)
1. a kind of beam synthesizing method, which is characterized in that including：
Obtain the point-by-point delay data of ultrasonic probe channel；
According to compress mode, the point-by-point delay data is compressed, obtains compressed data；
The compressed data is sent to the hardware of ultrasonic image-forming system so that the hardware can according to the compress mode,
The compressed data is decompressed to obtain the point-by-point delay data and carry out Beam synthesis according to the point-by-point delay data；
The point-by-point delay data includes the corresponding delay value of multiple sampling time points with time-series；
It is described according to compress mode, compress the point-by-point delay data, obtain compressed data and include：
According to the correspondence between the multiple sampling time point and the delay value, determine in the multiple sampling time point
Update sampling time point of the difference of a corresponding delay value upper delay value corresponding with a sampling time point thereon for setting value, relatively
The incremental time of the earliest sampling time point of a upper delay value is corresponded in the multiple sampling time point；
Calculate the ratio of each incremental time and sampling time interval；
According to coding mode, bits of encoded is carried out respectively to each ratio, obtains coded data；
By all coded datas according to the time of the earliest sampling time point corresponding to the corresponding incremental time
Sequencing arranges, and obtains coding data sequences；
The designation date of each bit position of the coded data in the coding data sequences of generation instruction；
According to combination, by the corresponding initial time delay value of earliest sampling time point, the finger in the multiple sampling time point
Registration evidence and the coding data sequences are combined, and obtain the compressed data.
2. according to the method described in claim 1, it is characterized in that, described according to the compress mode, the compression is decompressed
Data obtain the point-by-point delay data and include：
According to the combination, solution is combined into the initial time delay value, the designation date and institute from the compressed data
State coding data sequences；
According to the designation date, all coded datas are parsed from the coding data sequences；
According to the coding mode, bit decoding is carried out respectively to each coded data, obtains each ratio；
Each ratio and the product of the sampling time interval are calculated, obtains each incremental time；
According to the setting value, the initial time delay value and whole incremental times, determine in all delay values in addition to
Other each delay values except the initial time delay value；
It is described to be included according to the point-by-point delay data progress Beam synthesis：
According to the initial time delay value and other described each delay values, the Beam synthesis is carried out.
3. according to the method described in claim 2, it is characterized in that, the compressed data includes data packet, the designation date
Including bit wide bit data and segmentation bits data, each coded data of generation instruction is in the coding data sequences
In the designation date of bit position include：
The coding data sequences are divided into multiple segmentations, wherein, each segmentation in the multiple segmentation includes required position
Wide identical at least one coded data；
It generates to indicate respectively the bit wide bit data for being each segmented the corresponding bit wide；
Generate the segmentation bits for indicating respectively bit position of each segmentation in the coding data sequences
Data；
It is described according to combination, by the corresponding initial time delay value of earliest sampling time point, institute in the multiple sampling time point
It states designation date and the coding data sequences is combined, obtain the compressed data and include：
The first field, the second field and third field in the packet header of the data packet add respectively the initial time delay value,
All the bit wide bit data and all the segmentation bits data obtain addition packet header；
The coding data sequences are added in the payload of the data packet, obtain addition payload；
The addition packet header and the addition payload are spliced into the data packet；
It is described according to the combination, parsed from the compressed data initial time delay value, the designation date and
The coding data sequences include：
The initial time delay value, whole are parsed respectively from first field, second field and the third field
The bit wide bit data and all the segmentation bits data；
The coding data sequences are parsed from the addition payload of the data packet；
It is described according to the designation date, all coded datas are parsed from the coding data sequences and are included：
According to the bit wide bit data, determine described to be each segmented the corresponding bit wide；
According to the segmentation bits data, bit position of each segmentation in the coding data sequences is determined；
The corresponding bit wide and the bit position in the coding data sequences are each segmented according to described, determines the volume
The bit of each coded data at least one coded data included is each segmented described in code data sequence
It puts；
According to identified bit position, each coded data being successively read in the coding data sequences；
It is described according to the setting value, the initial time delay value and whole incremental times, determine in all delay values
Other each delay values other than the initial time delay value include：
By the initial time delay value, respectively as from the corresponding earliest sampling time point of earliest time increment to described upper one
The corresponding delay value of whole sampling time points institute of sampling time point, the earliest time increment increase for all time
The earliest incremental time of the corresponding earliest sampling time point in amount；
It, successively will each incremental time pair for subsequent each incremental time other than latest time increment
The delay value corresponding to the update sampled point answered, respectively as from the corresponding earliest sampling of each incremental time
Time point is to the corresponding delay value of whole sampling time points institute of the upper sampling time point, the latest time increment
For the incremental time of the corresponding earliest sampling time point the latest in all incremental times；
By the latest time increment it is corresponding it is described update sampled point corresponding to delay value, respectively as the multiple sampling
The remaining sampling time corresponding delay value of point in time point.
4. according to the method described in claim 3, it is characterized in that, the packet header have be sized.
5. a kind of beam synthesizer, which is characterized in that including：
Acquisition module, for obtaining the point-by-point delay data of ultrasonic probe channel；
Compression module, for according to compress mode, compressing the point-by-point delay data, obtaining compressed data；
Sending module, for the compressed data to be sent to the hardware of ultrasonic image-forming system so that the hardware can be according to
The compress mode decompresses the compressed data and obtains the point-by-point delay data and according to the point-by-point delay data
Carry out Beam synthesis；
The point-by-point delay data includes the corresponding delay value of multiple sampling time points with time-series；
The compression module includes：
First determination unit, for according to the correspondence between the multiple sampling time point and the delay value, determining institute
It states and delay value is corresponded in multiple sampling time points and the difference of the corresponding upper delay value of a sampling time point is setting value thereon
Sampling time point is updated, relative to the earliest sampling time point that a upper delay value is corresponded in the multiple sampling time point
Incremental time；
First computing unit, for calculating the ratio of each incremental time and sampling time interval；
Coding unit, for according to coding mode, carrying out bits of encoded respectively to each ratio, obtaining coded data；
Arrangement units, for by all coded datas according to the corresponding incremental time corresponding to the earliest sampling
The time order and function at time point is ranked sequentially, and obtains coding data sequences；
Generation unit, for generating the instruction for indicating each bit position of the coded data in the coding data sequences
Data；
Assembled unit, it is for according to combination, sampling time point earliest in the multiple sampling time point is corresponding initial
Delay value, the designation date and the coding data sequences are combined, and obtain the compressed data.
6. device according to claim 5, which is characterized in that it is described according to the compress mode, decompress the compression
Data obtain the point-by-point delay data and include：
Assembled unit is solved, for according to the combination, solution to be combined into the initial time delay value, institute from the compressed data
State designation date and the coding data sequences；
Resolution unit, for according to the designation date, all coded datas to be parsed from the coding data sequences；
Decoding unit, for according to the coding mode, carrying out bit decoding respectively to each coded data, obtaining each
The ratio；
Second computing unit for calculating the product of each ratio and the sampling time interval, obtains each time
Increment；
Second determination unit, for according to the setting value, the initial time delay value and whole incremental times, determining all
Other each delay values in the delay value other than the initial time delay value；
It is described to be included according to the point-by-point delay data progress Beam synthesis：
Synthesis unit, for according to the initial time delay value and other described each delay values, carrying out the Beam synthesis.
7. device according to claim 6, which is characterized in that the compressed data includes data packet, the designation date
Including bit wide bit data and segmentation bits data, the generation unit includes：
Subelement is divided, for the coding data sequences to be divided into multiple segmentations, wherein, it is each in the multiple segmentation
Segmentation includes the identical at least one coded data of required bit wide；
First generation subelement, for generating to indicate respectively the bit wide ratio for being each segmented the corresponding bit wide
Special data；
Second generation subelement, for generating the bit for indicating respectively each segmentation in the coding data sequences
The segmentation bits data of position；
The assembled unit includes：
First addition subelement, for the first field, the second field and the third field difference in the packet header of the data packet
The initial time delay value, all the bit wide bit data and all the segmentation bits data are added, obtains addition packet header；
Second addition subelement for adding the coding data sequences in the payload of the data packet, obtains addition payload；
Splice subelement, for the addition packet header and the addition payload to be spliced into the data packet；
The solution assembled unit includes：
First parsing subunit, for being parsed respectively from first field, second field and the third field
The initial time delay value, all the bit wide bit data and all the segmentation bits data；
Second parsing subunit, for parsing the coding data sequences from the addition payload of the data packet；
The resolution unit includes：
First determination subelement, for according to the bit wide bit data, determining described to be each segmented the corresponding bit wide；
Second determination subelement, for according to the segmentation bits data, determining each segmentation in the coded data sequence
Bit position in row；
Third determination subelement, for being each segmented the corresponding bit wide and in the coding data sequences according to described
Bit position determines each to be segmented each institute at least one coded data included described in the coding data sequences
State the bit position of coded data；
Reading subunit, for according to identified bit position, being successively read each described in the coding data sequences
Coded data；
Second determination unit includes：
First assignment subelement, for by the initial time delay value, respectively as from earliest time increment it is corresponding it is described earliest
Sampling time point is to the corresponding delay value of whole sampling time points institute of the upper sampling time point, the earliest time
The increment incremental time earliest for the corresponding earliest sampling time point in all incremental times；
Second assignment subelement, for for subsequent each incremental time other than latest time increment, successively
By the delay value corresponding to the corresponding update sampled point of each incremental time, increase respectively as from each time
The whole sampling time points institute for measuring the corresponding earliest sampling time point to the upper sampling time point corresponding prolongs
Duration, when the latest time increment is the latest described of the corresponding earliest sampling time point in all incremental times
Between increment；
Third assignment subelement, for by the latest time increment it is corresponding it is described update sampled point corresponding to delay value,
Respectively as the sampling time corresponding delay value of point remaining in the multiple sampling time point.
8. device according to claim 7, which is characterized in that the packet header, which has, to be sized.
9. a kind of supersonic imaging apparatus, which is characterized in that including the Beam synthesis dress as described in any one of claim 5 to 8
It puts.
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